CN207479695U - Three blade milling cutters - Google Patents
Three blade milling cutters Download PDFInfo
- Publication number
- CN207479695U CN207479695U CN201721404308.8U CN201721404308U CN207479695U CN 207479695 U CN207479695 U CN 207479695U CN 201721404308 U CN201721404308 U CN 201721404308U CN 207479695 U CN207479695 U CN 207479695U
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- Prior art keywords
- blade milling
- cutting
- cutter head
- cutter
- knife
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- 238000003801 milling Methods 0.000 title claims abstract description 31
- 238000005520 cutting process Methods 0.000 claims abstract description 44
- 239000000956 alloy Substances 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 5
- 230000004323 axial length Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical group [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 4
- 238000000227 grinding Methods 0.000 description 3
- 238000005422 blasting Methods 0.000 description 2
- 235000010676 Ocimum basilicum Nutrition 0.000 description 1
- 240000007926 Ocimum gratissimum Species 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
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- Knives (AREA)
Abstract
The utility model is related to a kind of milling cutter more particularly to a kind of three blade milling cutters.A kind of three blade milling cutters, including handle of a knife and cutter head, 3 cutting edges and three corresponding end swords are provided on cutter head, helical form row is equipped between the cutting edge and cuts slot, the pitch angle alpha of the cutting edge is 35 ° 45 °, and the first relief angle γ of the end sword is 5 ° 7 °, and the second relief angle for holding sword is 28 °, the dihedral β for holding sword is 20 ° 35 °, wide 0.02 ㎜, 0.03 ㎜.The utility model uses three cutting edges, make stable cutting, improve feed speed, product glossiness after cutting is high, without strain line, while cutting edge helical angle is equipped with exclusively for cutting thereon, and design row cuts slot convenient for chip removal on cutter head, it also is able to reduce rapidly the high temperature that blade generates in process, improves process velocity.
Description
Technical field
The utility model is related to a kind of milling cutter more particularly to a kind of three blade milling cutters.
Background technology
In mechanical processing, cutter is the indispensable critical piece of machine tooling, and the quality of cutter quality influences itself
Service life, also influence the quality and production efficiency of mechanical processing.Existing milling cutter is led due to the basil, material etc.
Cause the problems such as used time workpiece surface precision can not be realized, cutter life is short, low production efficiency, so as to considerably increase production fortune
Seek cost.
Utility model content
It is high, highly polished, physical life length the technical problem to be solved by the present invention is to provide a kind of production efficiency
Three blade milling cutters
In order to solve the above-mentioned technical problem, technical solution is used by the utility model solves its technical problem:
A kind of three blade milling cutters including handle of a knife and cutter head, are provided with 3 cutting edges and three corresponding end swords on cutter head,
Helical form row is equipped between the cutting edge and cuts slot, the pitch angle alpha of the cutting edge is 35 ° -45 °, the end sword first after
Angle γ is 5 ° -7 °, and the second relief angle for holding sword is 28 °, and the dihedral β for holding sword is 20 ° -35 °, wide 0.02 ㎜ -0.03 ㎜.
The front side of the end sword is equipped with arc groove, and arc radius is 0.15 ㎜ -0.16 ㎜.
A diameter of 5.993 ㎜ -6 ㎜ of the handle of a knife, the outer diameter of the cutter head is 5.95 ㎜ -6 ㎜.
The axial overall length L of three blade milling cutter is 50 ㎜.
The axial length L 1 of the cutter head is 15 ㎜ -15.5 ㎜.
The handle of a knife and cutter head are an integral molding structure, and the material of the handle of a knife and cutter head is hard alloy.
The tooth entrance angle of the cutting edge is 13 °, and clearance angle is 4 °, 0.2 ㎜ of relief width.
It can be seen from the above technical scheme that the utility model uses three cutting edges, make stable cutting, improve feeding
Speed, the product glossiness after cutting is high, no strain line, while is equipped with cutting edge helical angle exclusively for cutting thereon, and in cutter head
Upper design row cuts slot convenient for chip removal, additionally it is possible to reduce rapidly the high temperature that blade generates in process, improve process velocity.
Description of the drawings
Fig. 1 is a kind of three blade milling cutter structure diagrams of the utility model.
Fig. 2 is schematic diagram at the utility model B-B.
Fig. 3 is enlarged diagram at C in Fig. 2.
Fig. 4 is enlarged diagram at A in Fig. 1.
Reference sign:1- handle of a knifes, 2- cutting edges, 21- dihedrals, the first relief angles of 22-, the second relief angles of 23-, 24- circular arcs
Groove, 25- clearance angles, 26- teeth entrance angle, 3- rows cut slot.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art
The utility model may be better understood and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
Embodiment 1
Refering to Fig. 1, Fig. 2, a kind of three blade milling cutters including handle of a knife 1 and cutter head, are provided with 3 cutting edges 2 and three on cutter head
A corresponding end sword is equipped with helical form row between the cutting edge 2 and cuts slot 3, and the pitch angle alpha of the cutting edge 2 is 35 °, described
22 γ of the first relief angle for holding sword is 5 °, and the second relief angle 23 for holding sword is 28 °, and 21 β of dihedral for holding sword is 20 °, wide 0.02 ㎜.
The front side of the end sword is equipped with arc groove 24, and arc radius is 0.15 ㎜.
A diameter of 5.993 ㎜ of the handle of a knife 1, the outer diameter of the cutter head is 5.95 ㎜.
The axial overall length L of three blade milling cutter is 50 ㎜.
The axial length L 1 of the cutter head is 15 ㎜.
Embodiment 2
Refering to Fig. 1, Fig. 2, a kind of three blade milling cutters including handle of a knife 1 and cutter head, are provided with 3 cutting edges 2 and three on cutter head
A corresponding end sword is equipped with helical form row between the cutting edge 2 and cuts slot 3, and the pitch angle alpha of the cutting edge 2 is 45 °, described
22 γ of the first relief angle for holding sword is 7 °, and the second relief angle 23 for holding sword is 28 °, and 21 β of dihedral for holding sword is 35 °, wide 0.03 ㎜.
The front side of the end sword is equipped with arc groove 24, and arc radius is 0.16 ㎜.
A diameter of 6 ㎜ of the handle of a knife 1, the outer diameter of the cutter head is 6 ㎜.
The axial overall length L of three blade milling cutter is 50 ㎜.
The axial length L 1 of the cutter head is 15.5 ㎜.
Embodiment 3
Refering to Fig. 1, Fig. 2, a kind of three blade milling cutters including handle of a knife 1 and cutter head, are provided with 3 cutting edges 2 and three on cutter head
A corresponding end sword is equipped with helical form row between the cutting edge 2 and cuts slot 3, and the pitch angle alpha of the cutting edge 2 is 40 °, described
22 γ of the first relief angle for holding sword is 6 °, and the second relief angle 23 for holding sword is 28 °, and 21 β of dihedral for holding sword is 30 °, wide 0.025 ㎜.
The front side of the end sword is equipped with arc groove 24, and arc radius is 0.155 ㎜.
A diameter of 6 ㎜ of the handle of a knife 1, the outer diameter of the cutter head is 6 ㎜.
The axial overall length L of three blade milling cutter is 50 ㎜.
The axial length L 1 of the cutter head is 15 ㎜.
In above-described embodiment 1-3:
Three blade milling cutter is equipped with circular arc relief angle, may be such that milling cutter support force is strong, improves the intensity of cutter.
The row is cut slot 3 and is processed by shot blasting using D7 grinding wheels, and the first relief angle 22 of the end sword is carried out using D15 grinding wheels
Polishing treatment, the dihedral 21 of the end sword are processed by shot blasting that the end sword uses above-mentioned processing, can effectively protect using D7 grinding wheels
Card row cuts performance of the slot 3 in processing, increases the use intensity of cutter, extends service life, while ensures using
When end sword the problems such as crushing knife will not occur, reduce the use cost of cutter.
22 γ of the first relief angle of the end sword is 6 °, may be such that relief angle gap becomes smaller, squeezing when significantly increasing cutting
Pressure further improves the finish of cutting product.
The pitch angle alpha of the cutting edge 2 is 40 °, and cutting resistance is small, and contact area is small, it is ensured that row cuts nothing in slot 3 and cuts
Scrap is cut, ensures the stability of cutting, greatly improves high in machining efficiency.
It it is 13 ° by the tooth entrance angle 26 in the cutting edge 2, clearance angle 25 is 4 °, 0.2 ㎜ of relief width, can conduct
The point of a knife protection of three blade milling cutters prevents from damaging cutter in cutting, ensures processing efficiency.
The handle of a knife 1 and cutter head are an integral molding structure, and the material of the handle of a knife 1 and cutter head is hard alloy, described hard
Matter alloy is wolfram steel, and the wolfram steel is K55SF wolfram steel or K45EF wolfram steel.
Above-mentioned three blade milling cutter is made of hard alloy, it is ensured that three blade milling cutters are not easy to wear in cutting, increase knife
The service life of tool, reduces processing cost.
The utility model uses three cutting edges 2, makes stable cutting, improves feed speed, the product glossiness after cutting
Height, no strain line, while 2 helical angle of cutting edge is equipped with exclusively for cutting thereon, and design row cuts slot 3 convenient for chip removal on cutter head,
It also is able to reduce rapidly the high temperature that blade generates in process, improves process velocity.
Embodiment described above is only the preferred embodiment lifted to absolutely prove the utility model, the utility model
Protection domain it is without being limited thereto.The equivalent substitute or change that those skilled in the art are made on the basis of the utility model
It changes, is within the protection scope of the utility model.The scope of protection of the utility model is subject to claims.
Claims (7)
1. a kind of three blade milling cutters, which is characterized in that including handle of a knife and cutter head, 3 cutting edges and three phases are provided on cutter head
The end sword answered is equipped with helical form row between the cutting edge and cuts slot, and the pitch angle alpha of the cutting edge is 35 ° -45 °, the end sword
The first relief angle γ for 5 ° -7 °, the second relief angle for holding sword is 28 °, and the dihedral β for holding sword is 20 ° -35 °, wide 0.02 ㎜ -0.03 ㎜.
2. three blade milling cutter as described in claim 1, which is characterized in that the front side of the end sword is equipped with arc groove, circular arc
Radius is 0.15 ㎜ -0.16 ㎜.
3. three blade milling cutter as described in claim 1, which is characterized in that a diameter of 5.993 ㎜ -6 ㎜ of the handle of a knife, the knife
The outer diameter of head is 5.95 ㎜ -6 ㎜.
4. three blade milling cutter as described in claim 1, which is characterized in that the axial overall length L of three blade milling cutter is 50 ㎜.
5. three blade milling cutter as described in claim 1, which is characterized in that the axial length L 1 of the cutter head is 15 ㎜ -15.5 ㎜.
6. three blade milling cutter as described in claim 1, which is characterized in that the handle of a knife and cutter head are an integral molding structure, described
The material of handle of a knife and cutter head is hard alloy.
7. three blade milling cutter as described in claim 1, which is characterized in that the tooth entrance angle of the cutting edge is 13 °, and clearance angle is
4 °, 0.2 ㎜ of relief width.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721404308.8U CN207479695U (en) | 2017-10-27 | 2017-10-27 | Three blade milling cutters |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721404308.8U CN207479695U (en) | 2017-10-27 | 2017-10-27 | Three blade milling cutters |
Publications (1)
Publication Number | Publication Date |
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CN207479695U true CN207479695U (en) | 2018-06-12 |
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ID=62477725
Family Applications (1)
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CN201721404308.8U Active CN207479695U (en) | 2017-10-27 | 2017-10-27 | Three blade milling cutters |
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CN (1) | CN207479695U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109382541A (en) * | 2018-12-25 | 2019-02-26 | 肇庆本田金属有限公司 | A kind of improved gas chamber gas port Pocket Machining cutter |
CN109773249A (en) * | 2019-02-20 | 2019-05-21 | 江苏扬碟钻石工具有限公司 | A kind of precision Multi-cutting-edge milling tool |
CN115805666A (en) * | 2022-12-16 | 2023-03-17 | 汨罗市福缘新材料有限公司 | A trimming milling cutter suitable for graphite products |
-
2017
- 2017-10-27 CN CN201721404308.8U patent/CN207479695U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109382541A (en) * | 2018-12-25 | 2019-02-26 | 肇庆本田金属有限公司 | A kind of improved gas chamber gas port Pocket Machining cutter |
CN109773249A (en) * | 2019-02-20 | 2019-05-21 | 江苏扬碟钻石工具有限公司 | A kind of precision Multi-cutting-edge milling tool |
CN115805666A (en) * | 2022-12-16 | 2023-03-17 | 汨罗市福缘新材料有限公司 | A trimming milling cutter suitable for graphite products |
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