CN107252917A - A kind of indexable face milling insert and the facing cut cutter head using the blade - Google Patents
A kind of indexable face milling insert and the facing cut cutter head using the blade Download PDFInfo
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- CN107252917A CN107252917A CN201710567057.3A CN201710567057A CN107252917A CN 107252917 A CN107252917 A CN 107252917A CN 201710567057 A CN201710567057 A CN 201710567057A CN 107252917 A CN107252917 A CN 107252917A
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- milling insert
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- positioning
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- 238000003801 milling Methods 0.000 title claims abstract description 184
- 238000005520 cutting process Methods 0.000 claims abstract description 120
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 13
- 210000003739 neck Anatomy 0.000 claims description 27
- 238000009499 grossing Methods 0.000 abstract description 25
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 11
- 239000002184 metal Substances 0.000 description 9
- 239000000956 alloy Substances 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 6
- 238000003754 machining Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 229910052582 BN Inorganic materials 0.000 description 4
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000003746 surface roughness Effects 0.000 description 3
- 210000001138 tear Anatomy 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- -1 for example Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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- 238000005507 spraying Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/02—Milling-cutters characterised by the shape of the cutter
- B23C5/06—Face-milling cutters, i.e. having only or primarily a substantially flat cutting surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/16—Milling-cutters characterised by physical features other than shape
- B23C5/20—Milling-cutters characterised by physical features other than shape with removable cutter bits or teeth or cutting inserts
- B23C5/22—Securing arrangements for bits or teeth or cutting inserts
- B23C5/2204—Securing arrangements for bits or teeth or cutting inserts with cutting inserts clamped against the walls of the recess in the cutter body by a clamping member acting upon the wall of a hole in the insert
- B23C5/2208—Securing arrangements for bits or teeth or cutting inserts with cutting inserts clamped against the walls of the recess in the cutter body by a clamping member acting upon the wall of a hole in the insert for plate-like cutting inserts
- B23C5/2213—Securing arrangements for bits or teeth or cutting inserts with cutting inserts clamped against the walls of the recess in the cutter body by a clamping member acting upon the wall of a hole in the insert for plate-like cutting inserts having a special shape
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2200/00—Details of milling cutting inserts
- B23C2200/04—Overall shape
- B23C2200/0433—Parallelogram
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2200/00—Details of milling cutting inserts
- B23C2200/08—Rake or top surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2200/00—Details of milling cutting inserts
- B23C2200/28—Angles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
This application discloses a kind of indexable face milling insert, the face-milling insert includes blade base (1) and the cutting body (2) on surface laminated thereon, wherein, the indexable face milling insert is approximately prismatic table shape, including positioning side (11), upper plane (12) and positioning bottom surface (13), the projection of side or its extended line on rake face (21) on the positioning bottom surface (13) is intersected with the corresponding sides or its extended line on the rake face (21), formation face drift angle (23), the face contacted in the cutting body (2) with workpiece to be added is rake face (21), alternatively, rear knife face (3) is provided between rake face (21) and positioning side (11), so as to avoid injuring positioning side in cutting edge reconditioning, it ensure that the stabilization of positioning datum, it is long-acting, and cutting face-milling insert and smoothing face-milling insert are common to same cutterhead neck.Present invention also offers a kind of cutter head using above-mentioned milling cutter blade capable of rotating positions, so as to set quantity and the position of cutting face-milling insert and smoothing face-milling insert on demand on the cutterhead with identical insert pocket.
Description
Technical field
The application is related to face milling cutters field, more particularly to a kind of indexable face-milling insert and the facing cut using the blade
Cutter head.
Background technology
Face milling cutters are the machining tools processed for larger area metal flat, and its cutter head generally comprises cutterhead and is arranged at
The big critical piece of blade two on cutterhead, wherein, blade is used for the machining to metal surface.
Generally, the part for performing machining operation, i.e. blade, cutting used in its knife edge part are used in face milling cutters
Material mainly has polycrystalline diamond and polycrystalline cubic boron nitride etc., and these cutting usual prices of material are higher, discussed with square millimeter
Price.To reduce the cost of face milling cutters, in the prior art, the cutting material is generally laminated on the alloy substrate of blade and is obtained
Composite blade.Wherein, alloy substrate is seamlessly transitted with cutting material, for example, alloy substrate is usually terrace with edge or is cuboid,
By its side and/or bottom surface on facing cutter precise positioning, it is ensured that its installation accuracy；And be laminated on alloy substrate
Cutting material is used to cut.
After long-time is cut metal surface, the cutting edge formed by above-mentioned cutting material necessarily has abrasion, such as
Fruit directly abandons, not only waste of materials, and can produce very high production cost, and therefore, Milling Process enterprise would generally opposite
Cutter blade carries out reconditioning, increases the sharpness of cutting edge, to realize the recycling of cutter blade.
However, during repairing mill, alloy substrate also can cause the side played the role of positioning to deform together by reconditioning, from
And failure is positioned, so that blade shakes during Milling Process, and then under causing the machining accuracy of Milling Process drastically
Drop.
In addition, face milling cutters are divided into cutting face milling cutters and smoothing face milling cutters according to the difference of cutting precision and effect, it is corresponding
Blade is respectively cutting tip and wiper inserts, in Milling Processes, the cutting edge of cutting tip and the angle in face to be processed
Different from the angle in face to be processed with the cutting edge of wiper inserts, therefore, prior art uses two kinds of different knots for different purposes
The face-milling insert of structure, i.e. the cutterhead of cutting face milling cutters and smoothing face milling cutters does not have versatility, when simultaneously needs are pacified on cutterhead
, it is necessary to which especially setting had not only had wiper inserts neck but also had cutting tip neck when filling cutting face milling cutters and smoothing face milling cutters
Cutterhead, therefore, the groove position and number that clamp smoothing face milling cutters and cutting face milling cutters are used on the cutterhead are fixed, it is impossible to
It is enough to be adjusted flexibly on demand.
Therefore, needing exploitation one kind badly can either avoid positioning from failing, meanwhile, it is common to the cutting face of same insert pocket
Cutter blade and smoothing face-milling insert and facing cut cutter head.
The content of the invention
This application provides a kind of face-milling insert and using the facing cut cutter head of the face-milling insert, existed with solving face-milling insert
Positioning failure and cutting face milling cutters and the uncurrent problem of smoothing face milling cutters cutterhead after reconditioning.
In a first aspect, this application provides a kind of face-milling insert, the face-milling insert includes blade base 1 and laminated thereon
Cutting body 2, it is characterised in that the indexable face milling insert is approximately prismatic table shape, the blade base 1 and the cutting body
2 seamlessly transit, wherein, the blade base 1 includes positioning side 11, upper plane 12 and positioning bottom surface 13,2 layers of the cutting body
It is pressed in the upper plane 12 of blade base 1, the area of the upper plane 12 is more than the area of the positioning bottom surface 13, the positioning
The projection l2 of side or its extended line on rake face 21 on bottom surface 13 and the corresponding sides or its extended line on the rake face 21
L3 intersects, and forms face drift angle 23.
Preferably, the upper relative positioning bottom surface of plane 12 described in the indexable face milling insert is around the indexable face milling cutter
The central shaft of piece turns clockwise or rotate counterclockwise.
Preferably, the end face contacted in the cutting body 2 with workpiece to be added is rake face 21, in the indexable face milling cutter
11 front ends of positioning side of piece are provided with rear knife face 3, wherein, the positioning side 11, the rear knife face 3 and the rake face 21
Be sequentially connected, it is highly preferred that the angle angle that the rear knife face 3 and the rake face 21 are formed be more than positioning side 11 with it is described
The angle angle of the formation of rake face 21.
Second aspect, present invention also provides a kind of facing cut cutter head using above-mentioned face-milling insert, wherein, the face milling cutters
The indexable face milling insert described in first aspect present invention is provided with head.
Alternatively, the facing cut cutter head also includes the facing cutter for the above-mentioned indexable face milling insert of clamp, the face
Multiple face-milling insert necks, the profile of the face-milling insert neck and the form fit of face-milling insert are offered on facing cutter, is wrapped
Include predetermined plane, the first positioning side and the second positioning side.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the application, letter will be made to the required accompanying drawing used in embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without having to pay creative labor,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of preferred indexable face milling insert of the application；
Fig. 2 a are the structural representation of the indexable face milling insert with a cutting body in the application；
Fig. 2 b are the structural representation for the indexable face milling insert that the application has two rule cutting bodies；
Fig. 2 c are the structural representation for the indexable face milling insert that the application has a special-shaped cutting body；
Fig. 2 d are the structural representation for the indexable face milling insert that the application has two special-shaped cutting bodies；
Fig. 3 a are the structural representation for the indexable face milling insert that the application has one piece of cutting body；
Fig. 3 b are the structural representation for the indexable face milling insert that the application has two pieces of cutting bodies；
Fig. 3 c are the structural representation for the indexable face milling insert that the application has three pieces of cutting bodies；
Fig. 3 d are the structural representation for the indexable face milling insert that the application has four pieces of cutting bodies；
Fig. 4 a are a kind of top view of indexable wide circular arc smoothing face-milling insert of the application；
Fig. 4 b are a kind of side view of indexable wide circular arc smoothing face-milling insert of the application；
Fig. 4 c are a kind of top view of indexable narrow circular arc smoothing face-milling insert of the application；
Fig. 4 d are a kind of side view of indexable narrow circular arc smoothing face-milling insert of the application；
Fig. 4 e are a kind of top view of indexable drift angle smoothing face-milling insert of the application；
Fig. 4 f are a kind of side view of indexable drift angle smoothing face-milling insert of the application；
Fig. 5 a are a kind of top view of indexable face milling insert of the application；
Fig. 5 b are a kind of top view of indexable face milling insert of the application；
Fig. 5 c are a kind of top view of indexable face milling insert of the application；
Fig. 6 is a kind of upward view of indexable face milling insert of the application；
Fig. 7 is a kind of side view of indexable face milling insert of the application；
Fig. 8 is a kind of structural representation of facing cutter of the application；
Fig. 9 is the enlarged drawing at Z in Fig. 8；
Figure 10 is a kind of diagrammatic cross-section of facing cutter of the application；
Figure 11 is the explosive view at Z in Fig. 8；
Figure 12 is a kind of adjustment block top view of embodiment；
Figure 13 is a kind of adjustment block front view of embodiment；
Figure 14 is a kind of locking wedge block profile of embodiment；
Figure 15 is a kind of side view of the cutterhead of embodiment；
Figure 16 is the enlarged drawing at X in Figure 15；
Figure 17 is a kind of top view of the cutterhead of embodiment；
Figure 18 is the enlarged drawing at Y in Figure 17.
Brief description of the drawings
1- blade bases, 11- positioning side, the upper planes of 12-, 13- positioning bottom surface, 2- cutting bodies, 21- rake faces, 22- swords
Knife face, l after mouth drift angle, 23- faces drift angle, 3-1The central shaft of-indexable face milling cutter, l2Side or its extended line on-positioning bottom surface
Projection on rake face, l3With l on-rake face2Corresponding side or its extended line, BS- wiper edges length, R- wiper edges circular arcs
Radius, θ-edge clearance angle, θ 1- orientation angles,- drift angle, the first cutting edges of a- drift angle, the second cutting edges of a1- drift angle, the cutting edges of a2- the 3rd are inclined
Angle, 1a- cutterhead bodies, 11a- carriage arbors, 111a- face-milling insert necks, 112a- voussoirs install chip area, 113a- cutter blades
Support base, the predetermined planes of 114a-, the positioning of 115a- first side, 1151a- radial rakes, 1152a- axial rakes, 116a- the
Two positioning sides, the avoiding hollow grooves of 1171a- first, the avoiding hollow grooves of 1172a- second, 118a- voussoir mounting holes, 1181a- voussoirs stretch
Adjustment hole, 1182a- voussoir screw fastening tieholens, 119a- adjustment block mounting holes, 1191a- adjustment block telescopic adjustments hole, 1192a- is adjusted
Monoblock screw fastening tieholen, 12a- handle of a knife connecting portions, 121a- keyways, 13a- transition parts, 2a- adjustment blocks, 21a- rail portions, 22a-
Adjustment platform, 221a- adjustment block locking positionings face, 222a- adjustment face, 23a- locking holes, 3a- locking wedge blocks, 31a- escape groove,
32a- voussoir locking faces, 4a- coolant shower plates
Embodiment
Below by the present invention is described in detail, the features and advantages of the invention will become more with these explanations
To be clear, clear and definite.
Special word " exemplary " is meant " being used as example, embodiment or illustrative " herein.Here as " exemplary "
Illustrated any embodiment should not necessarily be construed as preferred or advantageous over other embodiments.Although each of embodiment is shown in the drawings
In terms of kind, but unless otherwise indicated, it is not necessary to accompanying drawing drawn to scale.
In the description of the invention, it is necessary to explanation, term " on ", " under ", " interior ", " outer ", "front", "rear", " left side "
The orientation or position relationship of instructions such as " right sides " are based on the orientation or position relationship under working condition of the present invention, merely to just
In the description present invention and simplify description, rather than indicate or imply signified device or element must have specific orientation, with
Specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second ", "
Three " are only used for describing purpose with " the 4th ", and it is not intended that indicating or implying relative importance.
The present invention described below.
According to the first aspect of the invention there is provided a kind of indexable face milling insert, the face-milling insert includes the He of blade base 1
Cutting body 2 laminated thereon, it is characterised in that the indexable face milling insert is approximately prismatic table shape, the blade base 1 with
The cutting body 2 is seamlessly transitted, wherein, the blade base 1 includes positioning side 11, upper plane 12 and positioning bottom surface 13, institute
State cutting body 2 to be laminated in the upper plane 12 of blade base 1, the area of the upper plane 12 is more than the face of the positioning bottom surface 13
The projection l of side or its extended line on rake face 21 on product, the positioning bottom surface 132With the corresponding sides on the rake face 21
Or its extended line l3It is intersecting, form face drift angle 23.
In the present invention, the blade base 1 is metal system, preferably hard alloy system.
In the present invention, the cutting body 2 is high rigidity cutting material system, and high rigidity cutting material is selected from cube
One or more in boron nitride (CBN), polycrystalline diamond (CVD) or polycrystalline cubic boron nitride (PCBN) etc., be preferably
Polycrystalline cubic boron nitride (PCBN).
In the present invention, the blade base 1 is fixedly connected with the cutting body 2.
In the present invention, indexable face milling insert can also be integrally machined by cutting body 2 and be formed.
In the present invention, the indexable face milling insert is approximately truncated rectangular pyramids, five terrace with edges, six terrace with edges, seven terrace with edges or eight
Terrace with edge, preferably truncated rectangular pyramids, five terrace with edges or six terrace with edges.
When indexable face milling insert is 4~8 terrace with edge, multiple cutting edges can be set on same blade, wherein simultaneously
After one cutting edge weares and teares, it can realize that cutting edge updates by rotating face-milling insert, take full advantage of the polygonal knot of blade
Structure, extends the service life of blade.
The inventors discovered that, the indexable face milling insert is truncated rectangular pyramids, is conducive to stabilization of the face-milling insert on cutterhead
It is fixed, meanwhile, the moderate length of cutting edge both can guarantee that cutting precision, also can guarantee that stock-removing efficiency.
In the present invention, the upper plane 12 is the top surface that blade base 1 is connected with cutting body 2, the rake face 21
For the top surface of cutting body 2, as shown in Fig. 1~Fig. 3 d, cutting body 2 is laminated in plane 12, alternatively, and rake face 21 is put down with upper
It is equal that face 12 exposes the part come.
In one embodiment of the present invention, as shown in figure 1, the cutting body 2 covers plane 12 on blade base, it is
The polygon corresponding with blade base 1.
In the present embodiment, as shown in Fig. 2 a~Fig. 2 d, side of the cutting body 2 along blade base 1 is set, and it is bar
Shape, alternatively, a line of the cutting body 2 along blade base 1 are set, or two be parallel to each other along along blade base 1
Side is set respectively.
The inventors discovered that, above-mentioned cutting body 2 can either be more conveniently by the blade base 1 and the cutting body 2
It is fixedly connected, while cutting material can also be saved.
In another preferred embodiment of the present invention, as shown in Fig. 3 a~Fig. 3 d, the cutting body 2 is arranged at point of a knife
Place, it is similar to triangle or is similar to quadrangle.
The inventors discovered that, above-mentioned cutting body 2 can save cutting material to the full extent, be greatly lowered and be produced into
This.
In the present invention, the face contacted in the cutting body 2 with workpiece to be added is rake face 21.
In the present invention, the indexable face milling insert is approximately prismatic table shape, wherein, the area of upper plane 12 is more than positioning
The area of bottom surface 13, at least includes rear knife face 3 and positioning side 11 between rake face 21 and positioning bottom surface 13, as shown in Fig. 7, after
The knife face 3 and formation edge clearance angle θ of rake face 21, the positioning side 11 and formation orientation angle of rake face 21 θ 1, also, θ>θ 1, thus may be used
See, positioning side 11 is tilted compared to rear knife face 3 to the axis direction of face-milling insert so that face-milling insert is being installed on cutterhead
When, it is to avoid positioning side 11 is contacted with metal surface to be processed, so that positioning datum is stable, long-acting, and described in reducing
Indexable face milling insert and the frictional force of metal surface to be processed, i.e. cutting resistance is reduced, while adding Milling Process
Precision, efficiency and processing coverage rate.
In the present invention, the upper plane 12 of described matrix is polygon corresponding with the terrace with edge, such as equilateral triangle, pros
Shape, rhombus, parallelogram, octagon or other given shapes, when described matrix is quadrangular, upper plane 12 is
Square.
In the present invention, as shown in figures 1 to 6, the indexable face milling insert is the upper plane of positive terrace with edge around its center
Axle l1Shape obtained from rotation, i.e. the projection l of side or its extended line on rake face 21 on the positioning bottom surface 132With
Corresponding sides or its extended line l on the rake face 213It is intersecting, form face drift angle 23.
In the present invention is a kind of preferred embodiment, the face drift angle is spent for ± (0~3), is preferably ± 1 degree, wherein,
Upper plane 12 is around central shaft l described in the indexable face milling insert1Turn clockwise what is formed, i.e. face drift angle for+
(0~3) spend, upper plane 12 is around central shaft l described in the indexable face milling insert1Rotate counterclockwise formation, i.e. face
Drift angle is-(0~3) degree.
The inventors discovered that, when drift angle 23 is that ± (0~3) is spent face to face, the indexable face milling insert is installed on cutterhead
Neck after, can with work surface formation predetermined angle so as to work surface Milling Process；Meanwhile, in the rotation
Under angle, knife face 3 after being processed on the positioning side 11 of the face milling cutters, the angle of drift angle 23 is more than ± 3 degree face to face
When, it can cause 11 areas of positioning side small during knife face 3 after processing, position and forbidden, so that indexable face milling insert fails.
In the present invention, because in Milling Process, wiper edges are fitted with workpiece to be processed surface, i.e. wiper edges and workpiece to be processed surface
Angle be 0 degree.
In the present invention, smoothing face-milling insert is that plane 12 is around obtained by central shaft counterclockwise rotates thereon, -3 °
<Face drift angle 23<0°.
In the present invention, because in Milling Process, the angle on cutting edge and workpiece to be processed surface is more than 0 degree, cutting
The angle of cutting edge and workpiece surface is 0-3 °, and cutting face-milling insert is that upper plane 12 is rotated clockwise and obtained around central shaft
, 0 °≤face drift angle 23<3°.
In the present invention, the positioning side 11 intersects predetermined angle with the rear knife face 3, it is to avoid repairing sharpening mouthful
When damage reason location side 11.
Under the comprehensive function of edge clearance angle θ Yu face drift angle 23, different locating surfaces, rear knife are formed on the facing cut knife face
Face and cutting edge structure, specifically as shown in Fig. 4 a~4f.
In the present invention is a kind of preferred embodiment, as shown in fig. 4 a, two adjacent oriented sides in the cutting body 2
Face 11 forms cutting edge drift angle 22, and the angle of the cutting edge drift angle 22 is 0-75 degree in the present invention, when cutting edge drift angle is 0-45 degree
When, radial load is big, and axial force is small；When cutting edge drift angle is equal to 45 degree, the radial load of carriage arbor is equal to axial force, when cutting edge drift angle
When being spent for 45-75, the radial load of carriage arbor reduces, axial force increase.Radial cutting force is small, small to workpiece deformation effect, therefore,
Different cutting edge drift angles can be selected for different processing workpiece.
The inventors discovered that, the length of wiper edges is directly related with machined surface roughness and processing efficiency, wiper edges sword
Mouth is longer, and the surface roughness of face Milling Process is high, and processing efficiency is higher；Cutting edge is shorter, the surface roughness of face Milling Process
Lower, processing efficiency is lower；The inventors discovered that, under the default specification of indexable face milling insert, work as indexable face milling insert
During for 4~8 terrace with edge, the length of its cutting edge can meet the requirement that facing cut cuts machining accuracy, simultaneously, it may have higher processing effect
Rate.
In this application, as shown in Fig. 4 a~Fig. 4 f, wherein, BS is wiper edges length, and the species of wiper edges mainly has width
Circular arc smoothing, narrow circular arc smoothing, three kinds of drift angle smoothing.Fig. 4 a, 4b show a kind of top view of wide circular arc wiper inserts, wherein,
BS scope 2-7mm, wiper edges arc radius R scopes 20-500mm；Fig. 4 c, 4d show a kind of narrow circular arc wiper inserts, wherein, BS
Scope 0.2-2mm, wiper edges arc radius R scopes 3-20mm；Fig. 4 e, 4f show a kind of drift angle wiper inserts, wherein, BS scopes
0.2-2mm, drift angle0-2 ° of scope.
In the present invention is a kind of preferred embodiment, each edges and corners of the rake face 21 are cutting edge, it is preferable that described
Cutting edge is circular arc, and the radius of the circular arc is nose radius, and the nose radius is 0~2.0mm, preferably 0.8mm, the present invention
People has found that, when nose radius is 0.8mm, the effective length of the indexable face milling insert cutting edge is big and cutting edge strength is high, and
And be difficult to form border cut in metal surface to be processed.
In another embodiment of the invention, in such as Fig. 5 a, Fig. 5 b and Fig. 5 c, the cutting edge includes at least one be connected
The linear sword of section and at least one section Circular Nose Cutting Edge, wherein, Circular Nose Cutting Edge radius is 0-2.0mm.
In one embodiment of the present invention, as shown in Figure 5 a, the cutting edge of the rake face 21 include one section of linear sword and
One section of Circular Nose Cutting Edge, wherein, the first cutting edge drift angle a is 45 degree~90 degree.
In another embodiment of the present invention, as shown in Figure 5 b, the cutting edge of rake face 21 includes two sections of linear swords,
The Circular Nose Cutting Edge for seamlessly transitting is provided between adjacent two sections of linear swords, wherein, the first cutting edge drift angle a is 45 degree~90 degree,
Second cutting edge drift angle a1 is 15~45 degree.
In another embodiment of the present invention, as shown in Figure 5 c, the cutting edge of rake face 21 includes three sections of linear swords,
The Circular Nose Cutting Edge for seamlessly transitting is provided between adjacent two sections of linear swords, wherein, the first cutting edge drift angle a is 45 degree~90 degree,
Second cutting edge drift angle a1 is 15~45 degree, and the 3rd cutting edge drift angle a2 is 60~90 degree.
In the present invention, as shown in fig. 7, the side between rake face 21 and positioning bottom surface 13 includes rear knife face 3 and oriented side
11 two, face face, rear knife face 3 and the formation edge clearance angle θ of rake face 21, the positioning side 11 and formation orientation angle of rake face 21 θ 1, θ>θ
1, it can be seen that, positioning side 11 is internally tilted compared to rear knife face 3, therefore so that after face-milling insert is installed on cutterhead,
Process in workpiece fabrication, positioning side 11 is not in contact with metal surface to be processed, in process, rake face 21 and rear knife
Face 3 can wear and tear, but in such a structure, positioning side 11 is not in contact with metal surface to be processed, will not wear and tear,
So it will not produce due to the damaged phenomenon for causing positioning inaccurate in positioning side.Meanwhile, it also avoid damaging during repairing sharpening mouthful
Positioning side 11, so that ensure that positioning datum is stable, long-acting, wherein, 77-82 ° of edge clearance angle θ scopes, preferably 79 °, edge clearance angle θ
Smaller, cutting edge is sharper, 73-77 ° of 1 scopes of orientation angle θ, preferably 75 °.
In the present invention, when using the indexable face milling insert, the indexable face milling insert is by positioning side
11 are installed in the neck of cutterhead with positioning bottom surface 13, due to, the difference close with the profile of the face-milling insert of smoothing for cutting
It is only that plane thereon is different around the direction of rotation of central shaft, therefore, the face-milling inserts of two kinds of direction of rotation is common to same
Plant facing cutter, i.e. the indexable face milling insert of the different purposes of above two can be used in same cutterhead neck, and
And, it is not necessary to the neck for being specifically used for clamp smoothing face milling cutters is opened up in cutterhead.
According to the second aspect of the invention, a kind of facing cut cutter head using above-mentioned indexable face milling insert is additionally provided, its
In, the indexable face milling insert described in first aspect present invention is provided with the facing cut cutter head.
In the present invention, the facing cut cutter head also includes the facing cutter for the above-mentioned indexable face milling insert of clamp.
The facing cutter includes tubaeform cutterhead body 1a, the adjustment block 2a being arranged on cutterhead body 1a and locking
Voussoir 3a.
In the present invention, as shown in figure 8, the cutterhead body 1a includes carriage arbor 11a, handle of a knife connecting portion 12a and setting
Transition part 13a between the carriage arbor 11a and the handle of a knife connecting portion 12a, wherein, the carriage arbor 11a is cylindrical shape
Or hollow truncated cone-shaped, the handle of a knife connecting portion 12a is also cylindrical shape, and the transition part 13a is hollow round platform, the milling
Knife rest 11a external diameter can be greater than, equal to or less than the handle of a knife connecting portion 12a external diameter, it is preferable that the carriage arbor
11a external diameter is more than the external diameter of the handle of a knife connecting portion 12a.
In the present invention, as shown in figure 8, handle of a knife connecting portion 12a tops offer keyway 121a, during cutterhead connection handle of a knife,
Keyway 121a in key block and cutterhead on handle of a knife, which is installed, to be coordinated, and transmits torsion.
In the present invention is a kind of preferred embodiment, the cutterhead body 1a is integrally formed.
In the present invention, the carriage arbor 11a is cylindrical shape or hollow truncated cone-shaped, is offered in its operative end surface
Multiple face-milling insert neck 111a and multiple voussoirs connected with adjacent face-milling insert neck 111a install chip area 112a, so that
Multiple cutter blade support base 113a are formed in the operative end surface of the carriage arbor 11a, wherein, the voussoir installs chip area
112a quantity is 1-50, for different cutterheads, and the quantity that the voussoir installs chip area 112a is determined by the diameter of cutterhead.
In the present invention is a kind of preferred embodiment, the cutter blade support base 113a is equal on the carriage arbor 11a
Even distribution.
In the present invention, the profile of the face-milling insert neck 111a and the form fit of used face-milling insert, such as
Shown in Fig. 9, the face-milling insert neck 111a includes predetermined plane 114a, the first positioning side 115a and the second positioning side
116a, wherein, plane where the end face of the second positioning side 116a and the carriage arbor 11a is into the first predetermined angle, institute
The axis formation axial rake of the first positioning side 115a and cutterhead is stated, the end face formation radial rake with cutterhead, such as Figure 15~
Shown in Figure 18, the angle of the axial rake is 5 °, and the angle of the radial rake is 3 °.
In the present invention, the face-milling insert used cooperatively with facing cutter of the present invention be prism or prismatic table shape, its
In, the face contacted with workpiece to be processed be rake face, relative face parallel with rake face for positioning bottom surface, be arranged on rake face with
Positioning the side between bottom surface includes rear knife face and positioning side, i.e. face-milling insert is installed on after the facing cutter, face milling cutters
First positioning side 115a of the positioning bottom surface of piece and the facing cutter fits, the positioning side in face-milling insert with it is described
The predetermined plane 114a of facing cutter fits.
In the present invention, the machining accuracy of the predetermined plane 114a is high, also has in the face-milling insert used more high-precision
In the case of degree, after face-milling insert is installed, even without correction, whole card cutter blade also disclosure satisfy that general milling adds
The requirement of work precision, i.e. can directly use, reduces the operation of correction, convenient to use.
In the present invention is a kind of preferred embodiment, the face-milling insert neck 111a is around its center axis to the milling
Knife rest 11a inner inclinations.
The inventors discovered that, when the face-milling insert neck 111a is to the carriage arbor 11a inner inclinations, the facing cut
Insert pocket 111a space is big, and face-milling insert can be made, which to position side 115a with described first, has larger fitting area,
So that face-milling insert fixing-stable in the face-milling insert neck 111a, is difficult to loosen, and then it ensure that facing cut is processed
Stability.
In the present invention is a kind of preferred embodiment, first predetermined angle is 87~90 degree, preferably 89 degree.
The inventors discovered that, the angle of plane where the second positioning side 116a and carriage arbor 11a end faces for 87~
90 degree, it can be easy to process the face-milling insert neck 111a, it is even more important that on this condition, the preceding knife of face-milling insert
Face positions relative to it bottom surface and only needs to rotate clockwise or counter-clockwise 0~3 degree along its axle, you can form the sword of different structure
Mouth and positioning side, moreover, cutting edge can also form the angle of different angles from working surface to be processed, so as to realize different
Milling is acted on, i.e. shear action or smoothing effect, and the anglec of rotation can either ensure face-milling insert in the range of 0~3 degree
Land length, it is to avoid cutting edge is lacked, it is ensured that there are enough location areas to avoid positioning inaccurate, different Milling Process are disclosure satisfy that again
The requirement of technique, therefore, the present invention selection second positioning side 116a and plane where the carriage arbor 11a end faces
Angle is 87~90 degree.
In another preferred embodiment of the present invention, with face-milling insert cutting edge phase in the face-milling insert neck 111a
The part of contact offers the first avoiding hollow groove 1171a, such as deep-slotted chip breaker or rectangular channel, thus avoid the cutting edge of face-milling insert with
The carriage arbor 11a is directly contacted, reduce cutting edge damage chance, facilitate face-milling insert installation, using it is safer can
Lean on.In the face-milling insert neck 111a, the second positioning side 116a and predetermined plane 114a intersections offer second and kept away
Dead slot 1172a, makes blade during mounting and adjusting precision, stretching motion, leaves adjustment gap.
In the present invention is a kind of preferred embodiment, it is curved surface groove that the voussoir, which installs chip area 112a, is arranged at phase
Between two cutter blade support base 113a of neighbour, from the cutter blade support base 113a back side to adjacent cutter blade support base 113a
Before extend, intersect with the face-milling insert neck 111a.Install after blade locking, curved surface and locking wedge block upper surface i.e.,
Arcwall face forms overall chip area, and chip space simultaneously can be with chip removal in cutting.
In the present invention, voussoir is offered along the radial direction of the carriage arbor 11a on voussoir installation chip area 112a
Mounting hole 118a, the voussoir mounting hole 118a are shoulder hole, wherein, the hole of chip area 112a one end is installed close to the voussoir
For voussoir telescopic adjustment hole 1181a, it matches with the locking wedge block 3a, and its aperture is outer slightly larger than the locking wedge block 3a
Footpath, the hole close to the carriage arbor 11a centers is voussoir screw fastening tieholen 1182a, and it has internal thread.
In the present invention, the voussoir mounting hole 118a intersects with the face-milling insert neck 111a, installs the locking
After voussoir 3a, the locking wedge block 3a partial denudations are in the face-milling insert neck 111a.
In the present invention, the axis of the voussoir mounting hole 118a positions side 115a into the second preset angle with described first
Degree.
In the present invention, second preset angle can also be expressed as locking wedge block mounting hole 118a axis and locking wedge
The voussoir locking face 32a of block angle.
In the present invention is a kind of preferred embodiment, second predetermined angle is 8-12 degree, preferably 10 degree.
The inventors discovered that, when second predetermined angle is spent for 8-12, the locking wedge block 3a is along its axial direction to institute
When stating mobile inside facing cut knife rest 11a, its face-milling insert of the clip in the face-milling insert neck 111a is applied perpendicular to
The pressure of its rake face, also, as the locking wedge block 3a is to the movement inside the facing cut knife rest 11a, the pressure increases,
So as to play a part of fastening face-milling insert.In another preferred embodiment of the present invention, second preset angle may be used also
With the angle being expressed as between the axis of the locking wedge block 3a and the voussoir locking face 32a of the locking wedge block.
The present inventors have additionally discovered that, face-milling insert is by the locking wedge block 3a clips in the cutter blade support base 113a
Afterwards, 0 ° of angle of its blade shear blade and workpiece surface to be added formation, is easy to cutting or smoothing, when carrying out smoothing processing, smoothing knife
The wiper edges of piece are fitted with workpiece to be processed surface, i.e. wiper edges and the angle on workpiece to be processed surface are 0 degree；When being cut
During processing, the cutting edge of cutting tip and the angle on workpiece to be processed surface are more than 0 degree, the angle of cutting edge and workpiece surface
For 0-3 °.
In the present invention, as shown in figure 14, the locking wedge block 3a is camcylinder, in the outer wall of the locking wedge block 3a
On the escape groove 31a that is connected and voussoir locking face 32a is offered along the axial direction of the locking wedge block 3a, wherein, it is described to avoid
Groove 31a is arcwall face, voussoir locking face 32a and escape groove 31a arcwall face not tangent relation, but escape groove 31a's
End-boss formation voussoir locking face 32a, the tangent line of arcwall face is 0.1mm with voussoir locking face 32a locking distance, so that anti-
Only point of a knife is contacted with voussoir causes point of a knife damaged.Preferably, locking wedge block 3a its there is internal thread, it is highly preferred that install after, institute
The outer face and cutterhead body 1a outer wall for stating locking wedge block 3a are seamlessly transitted.
The inventors discovered that, when the locking wedge block 3a is camcylinder, the locking wedge block 3a can be avoided on edge
Rotated about the axis thereof simultaneously during its axial stretching, i.e. the flexible failure of the locking wedge block 3a can be avoided.
In the present invention, the locking wedge block 3a is installed in the voussoir mounting hole 118a by connector, optional
Ground, the connector is double threaded screw, wherein, one end of the connector is installed in voussoir screw fastening tieholen 1182a, another
End is installed in the endoporus of the locking wedge block 3a.
In the present invention, the thread rotary orientation at the double threaded screw two ends is opposite.
The inventors discovered that, when the thread rotary orientation at the double threaded screw two ends is opposite, by double threaded screw to the facing cut
Inside knife rest 11a during precession, it can drive the locking wedge block 3a to precession inside the facing cut knife rest 11a；By double threaded screw
When being screwed out outside to the facing cut knife rest 11a, it can drive the locking wedge block 3a to back-out outside the facing cut knife rest 11a,
That is, " with same move back is entered " of double threaded screw and the locking wedge block 3a is realized, the locking wedge block 3a is easily installed and adjusts.
In the present invention, in the cutter blade support base 113a bottoms, along the radial direction of the carriage arbor 11a, by the milling
Knife rest 11a outer wall is shoulder hole to adjustment block mounting hole 119a, the adjustment block mounting hole 119a is offered inside it, its
In, it is adjustment block telescopic adjustment hole 1191a close to the hole of the carriage arbor 11a outer walls, it matches with the adjustment block 2a, its
Aperture is slightly larger than the adjustment block 2a, is adjustment block screw fastening tieholen 1192a close to the hole at carriage arbor 11a centers, and it has interior
Screw thread.
In the present invention, the adjustment block telescopic adjustment hole 1191a includes interconnected guide rail hole 11911 and adjustment platform
Hole 11912, wherein, the adjustment platform hole 11912 is connected with the bottom of the face-milling insert neck 111a.
In the present invention, as shown in figure 12, the adjustment block 2a includes rail portion 21a and adjustment platform 22a, alternatively, institute
The rail portion 21a and adjustment platform 22a is stated to be integrally formed, wherein, the rail portion 21a is cylinder, prism etc., described
Rail portion 21a offers internal thread hole centrally along its axis direction, and the adjustment platform 22a is the cylinder that a side is plane,
Alternatively, the length of the adjustment platform 22a is less than the length of the rail portion 21a, wherein, adjustment face 222a is adjustment platform 22a
Upper plane, after the adjustment block 2a is installed on the adjustment block mounting hole 119a, the adjustment face 222a with it is described predetermined
Plane is parallel or at grade, for supporting, adjusting face-milling insert.
In the present invention, the predetermined plane 114a and the adjustment block mounting hole 119a axis are into the 3rd preset angle
Degree, the 3rd predetermined angle is 8~12 degree, more preferably 10 degree.
The inventors discovered that, when the 3rd predetermined angle is 8~12 degree, when the adjustment block 2a is flexible in it,
Height of the adjustment block 2a on the carriage arbor 11a axial directions is varied from, so as to play the work of adjustment face-milling insert height
With, i.e. can in high-precision correction card all face-milling inserts height.
The present invention it is a kind of preferred embodiment in, the 3rd preset angle can by make the adjustment face 222a with
The axis hole axis of the adjustment block 2a is crossed to form.
In another preferred embodiment of the present invention, the 3rd preset angle can also be expressed as adjustment block axis hole and adjustment
The angle in the adjustment block locking positioning face of block.In the present invention, axially arranged have one along its on the outer wall of the rail portion 21a
Bar is used for the adjustment block locking positioning face 221a being engaged with locking member, is adjusted in the adjustment block to appropriate position and locks institute
Adjustment block is stated, so as to ensure the stability of face-milling insert precision during use.
In the present invention, the adjustment block 2a is installed in the adjustment block mounting hole 119a by connector, alternatively,
The connector is double threaded screw, wherein, one end of the connector is installed in adjustment block screw fastening tieholen 1192a, another
End is installed in the screwed hole of the adjustment block 2a.
In the present invention, the thread rotary orientation for mounting and adjusting block 2a double threaded screw two ends is opposite.
The inventors discovered that, when the thread rotary orientation at the double threaded screw two ends is opposite, by double threaded screw to the facing cut
Inside knife rest 11a during precession, it can drive the adjustment block 2a to precession inside the facing cut knife rest 11a；By double threaded screw to
When being screwed out outside the facing cut knife rest 11a, it can drive the adjustment block 2a to back-out outside the facing cut knife rest 11a, i.e. real
" with same move back is entered " of double threaded screw and the adjustment block 2a is showed, has been easily installed and adjusts the adjustment block 2a.
In the present invention, on the cutter blade support base 113a, the operative end surface from the carriage arbor 11a is into it
Portion, locking hole 23a is offered along the direction vertical with the axis of the adjustment block mounting hole 119a.
In the present invention, the locking hole 23a is screwed hole, and it is connected with the adjustment block mounting hole 119a.
In the present invention, locking member is provided with the institute locking hole 23a, the locking member is preferably jackscrew.
In the present invention, the locking member passes through the lucky top pressures of locking hole 23a in the adjustment block of the adjustment block 2a
On the 221a of locking positioning face, when the adjustment block 2a is adjusted to appropriate position, locking member is locked, so that the adjustment block 2a
Position fix, and then ensure process in face-milling insert precision stability.
In the present invention, coolant shower plate 4a is further fixedly arranged at the facing cutter center, in milling
Spraying cooling liquid in journey, the temperature of working surface during reduction Milling Process.
In the present invention, the indexable face milling insert described in first aspect present invention, its rotation direction and the anglec of rotation and institute
The anglec of rotation for stating face-milling insert neck in facing cutter is engaged, and realizes different cutting functions, so that face-milling insert pair
Neck has versatility.
There is provided, had the advantages that according to the present invention：
(1) indexable face milling insert of the present invention is approximately prismatic table shape, can carry out lower resistance cutting, processes coverage rate
It is wider；
(2) indexable face milling insert is easily installed, and is easily realized cutting by the different direction of rotation of rake face and is repaiied
Two kinds of difference in functionalitys of light；
(3) knife face after the indexable face milling insert is set between positioning side and rake face so that during repairing sharpening mouthful
Positioning side will not be injured, so as to ensure that positioning datum is stable, long-acting；
(4) indexable face milling insert can reconditioning repeatedly, increase its economy；
(5) point of a knife of the indexable face milling insert can be applied to different milling purposes；
(6) the facing cut cutter head can set cutting face-milling insert and smoothing on demand on the cutterhead with identical insert pocket
The quantity of face-milling insert and position.
The present invention is described in detail above in association with embodiment and exemplary example, but these explanations are simultaneously
It is not considered as limiting the invention.It will be appreciated by those skilled in the art that without departing from the spirit and scope of the invention,
A variety of equivalencings, modification can be carried out to technical solution of the present invention and embodiments thereof or is improved, these each fall within the present invention
In the range of.Protection scope of the present invention is determined by the appended claims.
Claims (10)
1. a kind of indexable face milling insert, the face-milling insert includes blade base (1) and cutting body (2) laminated thereon, its
It is characterised by, the indexable face milling insert is approximately prismatic table shape, the blade base (1) and the cutting body (2) are smoothed
Cross, wherein, the blade base (1) includes positioning side (11), upper plane (12) and positioning bottom surface (13), the cutting body
(2) it is laminated in the upper plane (12) of blade base (1), the area of the upper plane (12) is more than the positioning bottom surface (13)
Projection (the l of side or its extended line on rake face (21) on area, the positioning bottom surface (13)2) and the rake face (21)
On corresponding sides or its extended line (l3) intersecting, formed face drift angle (23).
2. indexable face milling insert according to claim 1, it is characterised in that on described in the indexable face milling insert
Plane (12) relative positioning bottom surface turns clockwise around the central shaft of the indexable face milling insert.
3. indexable face milling insert according to claim 1, it is characterised in that on described in the indexable face milling insert
Central shaft rotate counterclockwise of plane (12) the relative positioning bottom surface around the indexable face milling insert.
4. the indexable face milling insert according to Claims 2 or 3, it is characterised in that the face drift angle is spent for ± (0~3).
5. indexable face milling insert according to claim 4, it is characterised in that face drift angle is ± 1 degree.
6. the indexable face milling insert according to any one of Claims 1 to 5, it is characterised in that in the cutting body (2) with
The face of workpiece contact to be added is rake face (21), and each corner angle of the rake face (21) are set to chamfering, and the radius of the chamfering is
Nose radius, the nose radius is 0~1.8mm.
7. the indexable face milling insert according to any one of Claims 1 to 5, it is characterised in that cutting body (2) layer covers
Plane (12) on lid blade base, it is the polygon corresponding with blade base (1)；Or
Side of the cutting body (2) along blade base (1) is set, and it is bar shaped；Or
The cutting body (2) is arranged at point of a knife, and it is similar to triangle or is similar to parallelogram.
8. the indexable face milling insert according to one of claim 1~7, it is characterised in that in the rake face (21) and
Rear knife face (3) is provided between the positioning side (11)；
The rear knife face (3) is intersected with the rake face (21), forms the angle with predetermined angle, and the default angle is big
In the positioning side (11) and the angle of the angle of the rake face (21) formation.
9. a kind of facing cut cutter head, it is characterised in that be provided with turning described in one of claim 1~8 in the facing cut cutter head
Plane cutter blade.
10. facing cut cutter head according to claim 9, it is characterised in that the facing cut cutter head also includes above-mentioned for clamp
Multiple face-milling insert necks, the face-milling insert card are offered on the facing cutter of indexable face milling insert, the facing cutter
The profile of groove and the form fit of face-milling insert, including predetermined plane, the first positioning side and the second positioning side.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710567057.3A CN107252917A (en) | 2017-07-12 | 2017-07-12 | A kind of indexable face milling insert and the facing cut cutter head using the blade |
| JP2019538323A JP6967595B2 (en) | 2017-07-12 | 2017-12-12 | Indexable face milling inserts and face milling heads with the inserts |
| DE112017006379.5T DE112017006379T5 (en) | 2017-07-12 | 2017-12-12 | Indexable router blade and face miller head using this blade |
| PCT/CN2017/115596 WO2019010915A1 (en) | 2017-07-12 | 2017-12-12 | Indexable face milling cutting insert and face milling cutting head using the cutting insert |
| US16/462,948 US11311949B2 (en) | 2017-07-12 | 2017-12-12 | Indexable face milling cutting insert and face milling cutting head using the cutting insert |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710567057.3A CN107252917A (en) | 2017-07-12 | 2017-07-12 | A kind of indexable face milling insert and the facing cut cutter head using the blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107252917A true CN107252917A (en) | 2017-10-17 |
Family
ID=60025585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710567057.3A Withdrawn CN107252917A (en) | 2017-07-12 | 2017-07-12 | A kind of indexable face milling insert and the facing cut cutter head using the blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107252917A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019010915A1 (en) * | 2017-07-12 | 2019-01-17 | 北京沃尔德金刚石工具股份有限公司 | Indexable face milling cutting insert and face milling cutting head using the cutting insert |
| CN110650814A (en) * | 2017-05-23 | 2020-01-03 | 瓦尔特公开股份有限公司 | Cutting insert and milling tool |
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Application publication date: 20171017 |