CN201455319U - NC cutting blade - Google Patents
NC cutting blade Download PDFInfo
- Publication number
- CN201455319U CN201455319U CN2009201069259U CN200920106925U CN201455319U CN 201455319 U CN201455319 U CN 201455319U CN 2009201069259 U CN2009201069259 U CN 2009201069259U CN 200920106925 U CN200920106925 U CN 200920106925U CN 201455319 U CN201455319 U CN 201455319U
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- Prior art keywords
- cutting
- plane
- blade
- chip
- arc
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- Expired - Fee Related
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- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000002161 passivation Methods 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 24
- 229910052742 iron Inorganic materials 0.000 abstract description 12
- 230000007423 decrease Effects 0.000 abstract 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 230000001154 acute effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
The utility model relates to a cutting blade used for NC machine tool, in particular to a NC cutting blade. The structure of the NC cutting blade comprises a blade main body, and the blade main body comprises an upper end surface, a lower end surface, at least two side surfaces and cutting circular arc surfaces which connect the two adjacent side surfaces, a cutting plane is arranged to be parallel to the upper end surface and is lower than the upper end surface; the cutting circular arc surface intersects with the cutting plane to form a circular arc cutting edge, and the side surfaces intersect with the cutting plane to form a main cutting edge, and the part at the upper end surface which is close to the cutting circular arc surface is provided with a chip-breaker groove, and the part at the upper end surface which is close to and is parallel to the main cutting edge is also provided with another chip-breaker groove. Compared with the prior art, the NC cutting blade provided by the utility model effectively decreases the processing temperature, and decreases the blade wearing; meanwhile, the service life of the blade is extended; the flow direction of the iron flow is effectively controlled to a certain degree, and the iron-chipping splash is decreased, therefore, the NC cutting blade not only facilitates increasing the processing speed, but also increases the surface quality of the workpieces to be processed.
Description
Technical field
The utility model relates to a kind of Digit Control Machine Tool cutting tip, and a kind of numerical control cutting blade specifically is provided.
Background technology
The numerical control turning blade structure is made of blade and chip-breaker usually, and wherein chip-breaker is anterior angle and chip breaker, middle add circular arc with plane or circular arc or plane and is connected to form.When less amount of feeding f, depth of cut is less, and the contact area of smear metal and bottom land is less, and main cutting force is little, and is easily crooked, but frangibility not forms elongate strip sections bits usually; When amount of feeding f was big, it is big that depth of cut becomes, and rigidity increases, and is not flexible, smear metal and bottom land contact area increase, and are in the plasticity contact condition, and main cutting force increases relatively, and processing temperature is acute to be risen, serious wear causes blade to burn out, thereby has influenced the overall performance and the service life of blade.Simultaneously traditional turning insert is in machining, the guiding control of its iron filings and chip breaking, chip removal only are to be controlled by chip-breaker, wearing and tearing along with working angles blade rake face, the structure of chip-breaker can change, chip breaking, chip removal will correspondingly be affected, cause workpiece cutting surface quality can not satisfy semi-finished requirement, also influenced the service life of blade simultaneously.
Summary of the invention
The utility model is at above deficiency, a kind of numerical control cutting blade is provided, to reduce the contact area of smear metal and bottom land, simultaneously nose part position base plane and tool arc cutting plane width have been carried out suitable adjustment, thereby main cutting force in the reduction working angles, improve chip breaking effect, iron filings form, chip removal control, satisfy the control of the semifinishing requirement and the reasonably cutting flow direction.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of numerical control cutting blade, comprise blade body, described blade body comprises upper surface, lower surface, at least two sides and connects cutting circle cambered surface between the adjacent two sides, parallel upper surface and be lower than the upper surface and be provided with the cutting plane, the formation arc edge is intersected in described cutting circle cambered surface and cutting plane, the formation main cutting edge is intersected in described side and cutting plane, the upper surface is provided with chip-breaker near the position of cutting circle cambered surface, and the upper surface also is provided with chip-breaker near the position of main cutting edge and parallel main cutting edge; Described chip-breaker is made up of the cutting plane, rake face, bottom land arc surface, bottom land plane, special filings-breaking surface and the chip breaking end face that begin from arc edge to numerical control cutting blade mounting center direction connects successively.
Be provided with the anti-attrition groove in the chip-breaker of upper surface near the position setting of main cutting edge and parallel main cutting edge.
The cutting plane width is between (0.13～0.35) mm; Rake face and cutting plane form anterior angle γ, and its angular range is between (13～25) °, and the best is (17～22) °.
Chip-breaker is the form that the plane is connected with circular arc; Its radius R value of bottom land arc surface is (0.2～5) mm, and the bottom land plane is lower than the cutting plane, and its difference e is (0.05～0.25) mm, and the best is (0.1～0.2mm).
There is special filings-breaking surface the upper surface near the chip-breaker at cutting circle cambered surface position. and filings-breaking surface adopts high inclination-angle, orthodrome form, and its inclination angle scope is between (50～80) °, and the best is (64～75) °; Circular arc R c value is (0.2～1) mm; The radial distance that the point of a knife of arc edge is put the intersection of filings-breaking surface and chip breaking end face is a, and its value is (1.5～3.2) mm; The radial distance that the point of a knife of arc edge is put the intersection of bottom land plane and filings-breaking surface is b, and its value is (0.9～1.3) mm; The chip breaking end face is higher than the cutting plane, and its difference h is (0.15～0.45) mm; Bottom land plane, tool arc place is higher than other bottom land plane, its difference be (0.05～0.20mm). the tool arc cutting plane is less than the main cutting edge plane, its width difference be (0.05～0.15mm).
It is the groove with certain geometrical shape that is lower than the bottom land plane that there are anti-attrition groove, anti-attrition groove in the upper surface near design in the chip-breaker at main cutting edge and parallel main cutting edge position; Have angle β between the geometry center line of anti-attrition groove and main cutting edge, its value scope is (65～90) °; The anti-attrition groove is across rake face, bottom land arc surface and bottom land plane.
The cutting edge of numerical control cutting blade of the present utility model all passes through the blade passivation, and (blade rounding R value is 0.02～0.1mm, and the best is 0.03～0.05mm).
Numerical control cutting blade of the present utility model is the double-sided blade blade.
Numerical control cutting blade of the present utility model comprises triangle, square, 80 °, 55 °, 35 ° flat shape quadrangles of acute angle, regular pentagon, regular hexagon blade.
Numerical control cutting blade of the present utility model is an indexable insert tip, throw away tip.
Cutting of the present utility model with the numerical control cutting blade compared with prior art has three big particular design:
1, the upper surface is near the special filings-breaking surface in the chip-breaker at cutting circle cambered surface position.
2, the upper surface is near the anti-attrition groove in the chip-breaker at main cutting edge and parallel main cutting edge position.
3, the change of the tool arc cutting plane and the tool arc place bottom land degree of depth.
Because these three kinds of designs make the main cutting force of the general blade of the main cutting force of blade in working angles reduce 5%～10%, have effectively reduced processing temperature, have reduced blade abrasion, blade life improves greatly; These three kinds of particular design have also played positive role for fractureing of iron filings simultaneously, and chip breaking range obtains raising to a certain degree.Iron filings flow to and have obtained effective control to a certain extent, have reduced splashing of iron filings.Iron filings mostly are C shape or short helical form, deviate from machined surface, have both helped improving process velocity, have improved the surface quality of processing work again.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a kind of perspective view of numerical control cutting blade;
Fig. 2 is a kind of local structure for amplifying schematic diagram of numerical control cutting blade;
Fig. 3 is that A-A among Fig. 2 is to cutaway view;
Fig. 4 is a kind of anti-attrition groove structure for amplifying schematic diagram of numerical control cutting blade;
Fig. 5 be among Fig. 4 B-B to cutaway view.
1, upper surface; 2, lower surface; 3, side; 4, cutting circle cambered surface; 5, anti-attrition groove; 6, special filings-breaking surface; 7, cutting plane; 8, main cutting edge; 9, arc edge; 10, rake face; 11, bottom land arc surface; 12, bottom land plane; 13, chip breaking end face.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments, but not as to qualification of the present utility model.
Provide a most preferred embodiment below:
Cutting of the present utility model has polygonal basic configuration with the numerical control cutting blade, comprises upper surface 1 and lower surface 2 that may bottom on the other side, at least two sides 3 and the cutting circle cambered surface 4 that is connected two adjacent sides 3; Parallel upper surface 1 and be lower than upper surface 1 and have all to scabble face 7, cutting circle cambered surface 4 are intersected with cutting plane 7 and are formed arc edges 9; Formation main cutting edge 8 is intersected with cutting plane 7 in side 3; There is chip-breaker upper surface 1 near the position design of cutting circle cambered surface 4, and chip-breaker is by forming to cutting plane 7, rake face 10, bottom land arc surface 11, bottom land plane 12, special filings-breaking surface 6 and chip breaking end face 13 that numerical control cutting blade mounting center direction connects successively from arc edge 9 beginnings; Chip-breaker has also been designed near the position of main cutting edge 8 and parallel main cutting edge 8 in upper surface 1, chip-breaker is by forming to cutting plane 7, rake face 10, bottom land arc surface 11, bottom land plane 12, special filings-breaking surface 6 and chip breaking end face 13 that numerical control cutting blade mounting center direction connects successively from main cutting edge 8 beginnings, and design has anti-attrition groove 5 in the chip-breaker, and there are angle β in 8 of anti-attrition groove 5 and main cutting edges.
Chip-breaker is the form that the plane is connected with circular arc; Bottom land arc surface 11 its radius R values are (0.2～5) mm, and bottom land plane 12 is lower than the cutting plane, and its difference e is (0.05～0.25) mm; The best is (0.1～0.2mm).
There is special filings-breaking surface 6 upper surface 1 near the chip-breaker at cutting circle cambered surface 4 positions, and as shown in Figure 2, filings-breaking surface 6 adopts high inclination-angles, orthodrome form, and its inclination angle scope is between (50～80) °, and the best is (64～75) °; Circular arc R
cValue is (0.2～1) mm; The radial distance that the point of a knife of arc edge 9 is put the intersection of filings-breaking surface 6 and chip breaking end face 13 is a, and its value is (1.5～3.2) mm; The radial distance that the point of a knife of arc edge is put the intersection of bottom land plane and filings-breaking surface is b, and its value is (0.9～1.3) mm; The chip breaking end face is higher than the cutting plane, and its difference h is (0.15～0.45) mm; Bottom land plane, tool arc place 5a is higher than other bottom land plane, and its difference is (0.05～0.20mm).Tool arc cutting plane 7a is less than main cutting edge plane 7, and its width difference is (0.05～0.15mm).
End face has anti-attrition groove 5 near design in the chip-breaker at main cutting edge and parallel main cutting edge position, anti-attrition groove 5 is for being lower than the groove with certain geometrical shape on bottom land plane 12, there are angle β in 8 of the geometry center line of anti-attrition groove 5 and main cutting edges, its value scope is (65～90) °, and anti-attrition groove 5 width are c, and its value scope is (0.2～1.2) mm, the degree of depth is d, its value scope is (0.2～1.5) mm, and spacing is f, and its value scope is (0.5～3) mm; Anti-attrition groove 5 is across rake face 10, bottom land arc surface 11 and bottom land plane 12.
Because the anti-attrition groove of the utility model uniqueness design, one, can effectively reduce the contact area of smear metal and chip-breaker, reduce the frictional force of smear metal and bottom land, thereby reduced main cutting force under the condition that guarantees blade cutting edge intensity, the blade of the same race that the amplitude that reduces does not have an anti-attrition groove is compared and can be reached 5%～10%; Its two, to the cutting chip breaking played booster action.
Because the chip-breaker design that the utility model is special, the iron filings that blade cut is got off flow along the direction that deviates from workpiece to be machined in chip-breaker, iron filings are along with the variation of back engagement of the cutting edge and feeding speed, within the specific limits, strike on the special filings-breaking surface 6 with enough speed and vigors, thereby fracture iron filings.
Because the tool arc cutting plane that the utility model is special and the design of tool arc place base plane, one, suitably reduce point of a knife cutting plane width and can reduce cutting resistance to a certain extent, the minimizing amplitude does not more change tool arc cutting plane width blade and compares and can reach 3～5%; Its two, the suitable rising in bottom land plane, tool arc place can reduce iron filings and splash, suppresses phenomenons such as bits, helps the control that iron filings flow to, thereby helps improving the finished work surface quality.
As shown in Figure 2, a cutwork angle of turning insert of the present utility model, special filings-breaking surface 6 is positioned at the radial direction of upper surface 1 near cutting circle cambered surface 3, and extends middle rounding off along the direction that is parallel to main cutting edge 8.Anti-attrition groove 5 is in the chip-breaker that is parallel between main cutting edge 8 and the extended surface relative with main cutting edge 8, with main cutting edge 8 angles of cut be β, from the intersection point of arc edge 9 and main cutting edge 8, spacing is f, evenly distributes along the pairing main cutting edge 8 in this cutwork angle.
Above-described embodiment, the utility model specific embodiment a kind of more preferably just, the common variation that those skilled in the art carries out in the technical solutions of the utility model scope and replacing all should be included in the protection domain of the present utility model.
Claims (7)
1. numerical control cutting blade, comprise blade body, described blade body comprises upper surface, lower surface, at least two sides and connects cutting circle cambered surface between the adjacent two sides, it is characterized in that, parallel upper surface and be lower than the upper surface and be provided with the cutting plane, the formation arc edge is intersected in described cutting circle cambered surface and cutting plane, the formation main cutting edge is intersected in described side and cutting plane, the upper surface is provided with chip-breaker near the position of cutting circle cambered surface, and the upper surface also is provided with chip-breaker near the position of main cutting edge and parallel main cutting edge; Described chip-breaker is made up of the cutting plane, rake face, bottom land arc surface, bottom land plane, special filings-breaking surface and the chip breaking end face that begin from arc edge to numerical control cutting blade mounting center direction connects successively.
2. a kind of numerical control cutting blade according to claim 1 is characterized in that, is provided with the anti-attrition groove in the chip-breaker of described upper surface near the position setting of main cutting edge and parallel main cutting edge.
3. a kind of numerical control cutting blade according to claim 1 is characterized in that described cutting plane width is between 0.13～0.35mm; Rake face and cutting plane form anterior angle γ, and its angular range is between 13～25 °.
4. a kind of numerical control cutting blade according to claim 1 is characterized in that described chip-breaker is the form that the plane is connected with circular arc; Its radius R value of bottom land arc surface is 0.2～5mm, and the bottom land plane is lower than the cutting plane, and its difference e is 0.05～0.25mm.
5. a kind of numerical control cutting blade according to claim 1 is characterized in that, described filings-breaking surface adopts high inclination-angle, orthodrome form, and its inclination angle scope is between 50～80 °, and the best is 64～75 °; Circular arc R
cValue is 0.2～1mm; The radial distance that the point of a knife of arc edge is put the intersection of filings-breaking surface and chip breaking end face is a, and its value is 1.5～3.2mm; The radial distance that the point of a knife of arc edge is put the intersection of bottom land plane and filings-breaking surface is b, and its value is 0.9～1.3mm; The chip breaking end face is higher than the cutting plane, and its difference h is 0.15～0.45mm; Bottom land plane, tool arc place is higher than other bottom land plane, and its difference is 0.05～0.20mm; The tool arc cutting plane is less than the main cutting edge plane, and its width difference is 0.05～0.15mm.
6. a kind of numerical control cutting blade according to claim 1 is characterized in that, has angle β between the geometry center line of described anti-attrition groove and main cutting edge, and its value scope is 65～90 °.
7. a kind of numerical control cutting blade according to claim 1 is characterized in that described cutting edge all passes through the blade passivation, and blade rounding R value is 0.02～0.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201069259U CN201455319U (en) | 2009-04-02 | 2009-04-02 | NC cutting blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201069259U CN201455319U (en) | 2009-04-02 | 2009-04-02 | NC cutting blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201455319U true CN201455319U (en) | 2010-05-12 |
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ID=42382669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201069259U Expired - Fee Related CN201455319U (en) | 2009-04-02 | 2009-04-02 | NC cutting blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201455319U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103639543A (en) * | 2013-11-14 | 2014-03-19 | 株洲钻石切削刀具股份有限公司 | Thread machining blade |
| CN104439317A (en) * | 2014-09-18 | 2015-03-25 | 厦门金鹭特种合金有限公司 | Cutting blade with multiple cutting edge combinations |
| WO2019026058A1 (en) * | 2017-08-02 | 2019-02-07 | Iscar Ltd. | Negative finish turning insert with chip forming arrangement |
| CN109365846A (en) * | 2018-11-23 | 2019-02-22 | 株洲钻石切削刀具股份有限公司 | A kind of index lathe paring blade |
| CN109420780A (en) * | 2017-08-22 | 2019-03-05 | 江苏扬碟钻石工具有限公司 | A kind of ridge-roof type turning insert |
-
2009
- 2009-04-02 CN CN2009201069259U patent/CN201455319U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103639543A (en) * | 2013-11-14 | 2014-03-19 | 株洲钻石切削刀具股份有限公司 | Thread machining blade |
| CN103639543B (en) * | 2013-11-14 | 2016-01-20 | 株洲钻石切削刀具股份有限公司 | A kind of Cutting blade for machining screw thread |
| CN104439317A (en) * | 2014-09-18 | 2015-03-25 | 厦门金鹭特种合金有限公司 | Cutting blade with multiple cutting edge combinations |
| CN110944778A (en) * | 2017-08-02 | 2020-03-31 | 伊斯卡有限公司 | Negative-type finishing turning insert with chip-forming means |
| WO2019026058A1 (en) * | 2017-08-02 | 2019-02-07 | Iscar Ltd. | Negative finish turning insert with chip forming arrangement |
| US10710167B2 (en) | 2017-08-02 | 2020-07-14 | Iscar, Ltd. | Negative finish turning insert with chip forming arrangement |
| JP2020529326A (en) * | 2017-08-02 | 2020-10-08 | イスカル リミテッド | Negative insert for finish turning with chip formation arrangement configuration |
| CN110944778B (en) * | 2017-08-02 | 2021-09-07 | 伊斯卡有限公司 | Negative-type finishing turning insert with chip-forming means |
| RU2762444C2 (en) * | 2017-08-02 | 2021-12-21 | Искар Лтд. | Cutting plate for finishing turning without back corner with chip formation device |
| TWI754082B (en) * | 2017-08-02 | 2022-02-01 | 以色列商艾斯卡公司 | Negative finish turning insert with chip forming arrangement |
| JP7155175B2 (en) | 2017-08-02 | 2022-10-18 | イスカル リミテッド | Negative insert for finish turning with chip forming arrangement |
| CN109420780A (en) * | 2017-08-22 | 2019-03-05 | 江苏扬碟钻石工具有限公司 | A kind of ridge-roof type turning insert |
| CN109365846A (en) * | 2018-11-23 | 2019-02-22 | 株洲钻石切削刀具股份有限公司 | A kind of index lathe paring blade |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20160402 |