CN109304507B - PCD milling cutter for processing carbon fiber composite material - Google Patents
PCD milling cutter for processing carbon fiber composite material Download PDFInfo
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- CN109304507B CN109304507B CN201811222174.7A CN201811222174A CN109304507B CN 109304507 B CN109304507 B CN 109304507B CN 201811222174 A CN201811222174 A CN 201811222174A CN 109304507 B CN109304507 B CN 109304507B
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- 238000003801 milling Methods 0.000 title claims abstract description 181
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 25
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 25
- 239000002131 composite material Substances 0.000 title claims abstract description 24
- 238000005520 cutting process Methods 0.000 claims abstract description 42
- 239000000956 alloy Substances 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 6
- 230000002093 peripheral effect Effects 0.000 claims description 21
- 238000003466 welding Methods 0.000 claims description 11
- 239000000758 substrate Substances 0.000 claims description 8
- 238000003754 machining Methods 0.000 claims description 7
- 239000011159 matrix material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 241001391944 Commicarpus scandens Species 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012916 structural analysis Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- 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
- B23C5/10—Shank-type cutters, i.e. with an integral shaft
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2200/00—Details of milling cutting inserts
- B23C2200/32—Chip breaking or chip evacuation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2226/00—Materials of tools or workpieces not comprising a metal
- B23C2226/27—Composites, e.g. fibre reinforced composites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2226/00—Materials of tools or workpieces not comprising a metal
- B23C2226/31—Diamond
- B23C2226/315—Diamond polycrystalline [PCD]
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
The invention discloses a PCD milling cutter for processing a carbon fiber composite material, which comprises a blade and a cutter bar; the cutter bar is made of hard alloy materials; the blade is provided with a double-edge chip breaking tooth milling edge, the double-edge chip breaking tooth milling edge comprises a milling edge front end, a milling edge main body formed by a plurality of milling edge units and a milling edge rear end, wherein one milling edge unit comprises a double-edge chip breaking tooth and a chip breaking groove, the double-edge chip breaking tooth comprises a first milling edge and a second milling edge, and the spiral angle beta 1 of the first milling edge is opposite to the spiral angle beta 2 of the second milling edge in rotation. According to the invention, the PCD with high strength is used as a cutting edge material, and under the condition of ensuring the cutting edge strength, the generated cutting chips are tiny and easy to break through the innovative cutting edge structural design, and meanwhile, the axial milling component force is restrained, so that the generation of burrs is effectively restrained.
Description
Technical Field
The invention relates to the technical field of cutters, in particular to a PCD milling cutter for processing a carbon fiber composite material.
Background
Polycrystalline diamond (Polycrystalline diamond, abbreviated as PCD) has the characteristics of high hardness, high compressive strength, good thermal conductivity, good wear resistance and the like, can obtain very high machining precision and machining efficiency in high-speed cutting, and is widely applied to the field of cutters. The PCD milling cutter for processing the traditional carbon fiber composite material is easy to cause burrs on the upper surface and the lower surface of the carbon fiber composite material in actual use, and influences the quality of a workpiece. This is mainly because the conventional milling tool usually adopts a right-handed design, and a large milling component force is generated in the milling process along the axial direction of the tool toward one side of the tool shank, so that the carbon fiber material has high toughness and is difficult to cut, and a large number of burrs are easily generated on the surface of the workpiece. On the basis, a left-handed milling tool is designed, however, burrs in opposite directions are generated on a workpiece, so that a straight-flute straight-blade milling tool is generated, the axial milling force component of the tool is effectively reduced, the phenomenon of burrs can be relieved, but the radial force of the tool is increased, and larger processing vibration is generated, so that the burrs cannot be completely removed. Along with the recent trend of wide application of carbon fiber composite materials, the demands for efficient milling cutters for processing carbon fiber composite materials are increasing, the conventional cutters cannot meet the actual processing and production demands, and the novel efficient milling cutters for carbon fiber composite materials are becoming the popular demands in the current market.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides the PCD milling cutter for processing the carbon fiber composite material, which can realize efficient milling of the carbon fiber composite material, effectively inhibit the generation of burrs, improve the processing surface quality of a workpiece and process other difficult-to-process materials.
The technical scheme adopted for solving the technical problems is as follows: a PCD milling cutter for processing carbon fiber composite materials comprises a blade and a cutter bar; the cutter bar is made of hard alloy materials; one end of the cutter bar is provided with a cutter blade mounting seat, and the other end of the cutter bar is provided with a handle; at least one chip flute circumferentially distributed according to the central line is also arranged in the blade mounting seat; the blade is fixed in the chip pocket; the blade is provided with a double-edge chip breaking tooth milling edge, the double-edge chip breaking tooth milling edge comprises a milling edge front end, a milling edge main body formed by a plurality of milling edge units and a milling edge rear end, wherein one milling edge unit comprises a double-edge chip breaking tooth and a chip breaking groove, the double-edge chip breaking tooth comprises a first milling edge and a second milling edge, and the spiral angle beta 1 of the first milling edge is opposite to the spiral angle beta 2 of the second milling edge in rotation.
The blade comprises a cutting layer made of PCD material and a matrix layer made of hard alloy material; the cutting layer is compounded on the substrate layer and welded and fixed in the blade mounting seat of the cutter bar through the substrate layer; the front end of the milling blade comprises a bottom blade and a part of peripheral blade; the milling blade body and the rear end of the milling blade are both positioned on the peripheral blade.
The spiral angle beta 1 of the first milling edge is left-handed, the spiral angle beta 2 of the second milling edge is right-handed, the range of the spiral angle beta 1 is 20-90 degrees, and the range of the spiral angle beta 2 is-20-70 degrees; the two double-edge chip breaking teeth of the adjacent milling edge units are separated by the chip breaking grooves, so that the second milling edge of each milling edge unit is in a discontinuous state with the first milling edge of the adjacent milling edge unit, and the discontinuous state of the milling edge main body is utilized to cause discontinuous chips formed in the cutting process, so that the chips become tiny, and the chip breaking is facilitated.
The length of the first milling edge on the double-edge chip breaking tooth is La, the length of the second milling edge is Lb, the cutting length L of the double-edge chip breaking tooth is the sum of the projection distance of the length La of the first milling edge in the axial direction and the projection distance of the length Lb of the second milling edge in the axial direction, and the formula is expressed as L=La×cos beta 1+Lb×cos beta 2.
The first milling edge on the double-edge chip breaking tooth is positioned at one side of the double-edge chip breaking tooth connected with the chip breaking grooves, and the second milling edge on the double-edge chip breaking tooth is positioned at one side of the double-edge chip breaking tooth connected between two adjacent chip breaking grooves; the relation between the length b1 of the chip breaker and the length La of the first milling edge of the double-edge chip breaking tooth satisfies the following formula: la=b1×cos β2/cos β1.
The chip breaker groove is formed by grooving at a grooving angle alpha, and the grooving angle alpha of the chip breaker groove meets the following formula: α=β1+β2.
The thickness of the cutting layer of the blade is h1, the thickness of the substrate layer of the blade is h2, and the thickness h1 of the cutting layer of the blade and the length b1 of the chip breaker groove meet the following relation: b1.ltoreq.h1.times.cosβ1cosα/cosβ2.
The chip flute comprises a welding surface and a chip containing surface, the welding surface is provided with a rake angle gamma 1, the peripheral edge of the blade is provided with a rake angle gamma 2, the centripetal angle corresponding to the blade is gamma 3, and then the following relation should be satisfied among the rake angle gamma 1 of the welding surface, the rake angle gamma 2 of the peripheral edge of the blade and the centripetal angle gamma 3 of the blade: γ1=γ2+γ3.
The cutter bar comprises a cutter bar, a cutter bar and a cutter, wherein a cutter mounting seat at one end of the cutter bar is provided with a plurality of chip flutes, each chip flute is correspondingly provided with a cutter blade, the length of a cutting layer of the cutter bar is LD, the length of a basal body layer of the cutter bar is Ld, and LD is larger than Ld; the cutting layer length LD of each blade is different, and the substrate layer length Ld is also different; in each blade, the difference between the maximum value and the minimum value of the cutting layer length LD is not smaller than one chip breaker length b1, namely LDmax-LDmin is not smaller than b1.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the PCD with high strength is used as the cutting edge, and under the condition of ensuring the strength of the cutting edge, the double-edge chip breaking tooth milling edge structure is further designed, so that the double-edge chip breaking tooth and chip breaking groove structure is increased, the chip breaking performance of the cutter for processing the carbon fiber composite material is improved, the generation of burrs is greatly reduced, and the axial component force in the milling process is reduced through the double-edge double-helix angle structure design of the double-edge chip breaking tooth, and the phenomenon of burring and flanging at the edge of a workpiece is further suppressed. Compared with the traditional milling cutter, the actual cutting length of the peripheral edge of the milling cutter of the double-edge chip breaking tooth is increased, so that the pressure born by the peripheral edge of unit length is reduced under the condition of unchanged other working conditions, and the service life of the cutter is prolonged; in addition, by controlling the double helix angles, the axial milling component force in the milling process can be effectively controlled, and the phenomenon of burring and flanging of the edge of the carbon fiber composite material workpiece can be solved; finally, the double-edge chip breaking teeth have a certain wedging effect with the workpiece in the milling process, which is beneficial to reducing the vibration amplitude of the cutter.
The invention is described in further detail below with reference to the drawings and examples; however, the PCD milling cutter for processing the carbon fiber composite material is not limited to the embodiment.
Drawings
Fig. 1 is a cutter assembly view.
Fig. 2 is a front view of a double-edged chip-breaking tooth milling edge.
Fig. 3 is a schematic view of a partial double-edged chip breaking tooth.
Fig. 4 is a structural analysis diagram of the double-edged chip breaking tooth.
Fig. 5 is a top view of a double-edged chip-breaking tooth milling edge.
Fig. 6 is a schematic view of the bottom edge of the double-edge chip breaking tooth milling edge.
Fig. 7 is a front view of the insert mounting seat with the insert mounted to the toolholder.
Fig. 8 is a left side view of the insert mounting seat with the insert mounted to the toolholder.
Fig. 9 is a partial schematic view of the front end of the milling edge.
In the figure, 10: a blade; 1: milling edges of double-edge chip breaking teeth; 2: a cutter bar; 3: the front end of the milling blade; 4: double-edge chip breaking teeth; 5: a milling blade unit; 6: a chip breaker; 7: the rear end of the milling blade; 8: a blade mounting base; 9: chip-containing grooves; 20: a handle; 11: chip-containing surface; 12: a welding surface; 1a: a cutting layer; 1b: a base layer; 1c: a rear cutter surface; 2a: a milling cutter centerline; 3a: a bottom edge; 3b: round corners; 3c: and (5) a peripheral edge. 4a: a first milling edge; 4b: a second milling edge; 5a: milling edge body.
Detailed Description
Examples
As shown in fig. 1 to 9, a PCD milling cutter for processing a carbon fiber composite material according to the present invention comprises a cutter blade 10 and a cutter bar 2; the cutter bar 2 is made of hard alloy materials; one end of the cutter bar 2 is provided with a cutter blade mounting seat 8, and the other end of the cutter bar is provided with a handle part 20; four chip flutes 9 circumferentially distributed according to the central line are also arranged in the blade mounting seat 8; the insert 10 is fixed in the chip pocket 9; the insert 10 has a double-edged chip-breaking tooth milling edge 1, which double-edged chip-breaking tooth milling edge 1 comprises a milling edge front end 3, a milling edge body 5a consisting of 11 milling edge units 5 and a milling edge rear end 7, wherein one milling edge unit 5 comprises one double-edged chip-breaking tooth 4 and one chip breaker 6, which one double-edged chip-breaking tooth 4 comprises one first milling edge 4a and one second milling edge 4b, and the helix angle β1 of the first milling edge 4a is counter-rotating to the helix angle β2 of the second milling edge 4 b. The spiral angle beta 1 is opposite to the spiral angle beta 2 in the rotation direction, axial milling component force can be partially offset in the milling process, the length of the actual milling edge is increased by the first milling edge 4a, the pressure on the milling edge in unit length is effectively reduced, and the service life of the cutter is prolonged.
The blade 10 comprises a cutting layer 1a made of PCD material and a matrix layer 1b made of hard alloy material; the cutting layer 1a is compounded on the base layer 1b and is welded and fixed in the blade mounting seat of the cutter bar through the base layer 1b; the milling edge front end 3 comprises a peripheral edge 3c and a bottom edge 3a; the milling edge body 5a and the milling edge rear end 7 are both on the peripheral edge.
The helix angle β1 of the first milling edge 4a is left-handed, the helix angle β2 of the second milling edge 4b is right-handed, in this embodiment, the helix angle β1 is 45 ° and the helix angle β2 is 0 °; the two double-edge chip breaking teeth 4 of the adjacent milling edge units are separated by the chip breaking groove 6, so that the second milling edge 4b of each milling edge unit 5 is in a discontinuous state with the first milling edge 4a of the adjacent milling edge unit 5, and the discontinuous state of the milling edge main body 5a is utilized to cause discontinuous chips formed in the cutting process, so that the chips become tiny, the chip breaking is facilitated, and the generated chips also become numerous tiny chips due to the discontinuous state of the milling edge main body, so that the chip breaking performance of the cutter can be effectively improved.
As shown in fig. 2 and 3, the second milling edge 4b is discontinuous with the first milling edge 4a on the adjacent milling edge unit 5 due to the presence of the chip breaker groove 6, and the discontinuity of the whole milling edge body 5a results in the discontinuity of the chip formed during cutting, and the chip becomes fine, which is advantageous for chip breaking.
As can be seen from fig. 1, 3 and 8, the base layer 1b of the insert 10 has the same shape as the welding surface 12 of the holder 2, and as can be seen from fig. 2 and 6, the milling edge front end 3 comprises a peripheral edge 3c and a bottom edge 3a, the milling edge unit 5 is located on the peripheral edge 3c, the peripheral edge 3c has a certain peripheral edge relief angle α1, and the bottom edge 3a has a certain bottom edge relief angle α2.
As shown in fig. 3 and 4, the double-edge chip breaking tooth 4 comprises a first milling edge 4a and a second milling edge 4b, and the length la+lb of the actual milling edge is relatively increased due to the addition of the first milling edge 4a, so that the pressure on the milling edge per unit length is effectively reduced.
The length of the first milling edge 4a on the double-edge chip breaking tooth 4 is La, the length of the second milling edge 4b is Lb, the tooth length Lb of the double-edge chip breaking tooth 4 is 2mm, the actual cutting length L is the sum of the projection of the length La of the first milling edge 4a in the axial direction and the projection distance of the length Lb of the second milling edge 4b in the axial direction, and the formula is expressed as
L＝La×cosβ1+Lb×cosβ2＝b1+Lb＝2.5mm。
The relation formula of the length b1 of the chip breaker groove 6 and the length La of the first milling edge 4a of the double-edge chip breaker tooth 4 is expressed as
La＝b1×cosβ2/cosβ1≈0.7mm。
The relation formula of the grooving angle alpha=45° and the helix angle beta 1 and the helix angle beta 2 of the chip breaker groove 6 is expressed as
α＝β1+β2＝β1＝45°。
The chip breaker 6 is provided with a sufficient thickness h1 for the cutting layer 1a, and the length b1 of the chip breaker 6 should satisfy the relation
b1.ltoreq.h1.times.cosβ1cosα/cosβ2, i.e.b1.ltoreq.1/2 h1.
As shown in fig. 4, when the helix angle β2 is not 0 °, fig. 4 further shows the structural relationship of the first milling edge 4a, the second milling edge 4b, the cutting layer 1a thickness h1, the chip breaker 6 length b1, the grooving angle α, the helix angle β1, and the helix angle β2, the grooving angle α being a fixed angle, and not changing with the helix angle β1 and the helix angle β2.
As can be seen from fig. 5, the milling edge front end 3 and the milling edge rear end 7 are both incomplete milling edge units, the milling edge front end 3 comprises a bottom edge 3a, a rounded corner 3b and a part of a peripheral edge 3c, and the chip breaker depth s1=0.8 mm. The extent of the chip breaker depth S1 is related to the strength of the milling edge body, the larger the chip breaker depth S1, the lower the milling edge body strength.
As shown in fig. 7, one end of the cutter bar 2 is provided with an insert mounting seat 8, and the other end is provided with a shank portion 20, and the insert mounting seat 8 is provided with chip pockets 9 circumferentially distributed along the center line 2a of the milling cutter.
As shown in fig. 8, the chip pocket 9 includes a chip accommodating surface 11 and a welding surface 12, the welding surface 12 has a certain rake angle γ1, and by controlling the rake angle γ1 of the welding surface 12, the rake angle γ2 of the peripheral edge of the double-edge chip breaking tooth milling edge 1 is further controlled, and the centripetal angle corresponding to the pcd blade is γ3, in this embodiment, the relationship is satisfied: γ2=γ1- γ3=0°.
As shown in fig. 8, the insert mount 8 controls the number of double-edged chip-breaking tooth milling edges 1 by controlling the number of chip flutes 9, in this example 4.
As shown in fig. 9, the milling edge front end 3 is an incomplete cutting edge unit, the cutting layer length is LD, the base layer length is LD, and there is a relationship: LD > Ld, in the actual cutting process, the length La of the milling edge is also influenced by the actual milling feed, in order to ensure uniform milling, the lengths LD1, LD2, LD3 and LD4 of the cutting layers of the circumferentially distributed milling edges of the double-edge chip breaking teeth are not completely identical, wherein the difference between the maximum and minimum distances of the cutting layer length LD is not less than one chip breaker length b1, and the formula is expressed as LDmax-LDmin not less than b1, and in the example, LDmax-LDmin=b1+Lb.
The PCD milling cutter for processing the carbon fiber composite material adopts the high-strength PCD as the cutting edge, and further increases the structures of the double-edge chip breaking teeth 4 and the chip breaking grooves 6 through the original double-edge chip breaking teeth milling edge structural design under the condition of ensuring the strength of the cutting edge, so that the chip breaking performance of the cutter for processing the carbon fiber composite material is improved, the generation of burrs is greatly reduced, and the axial component force in the milling process is reduced through the double-edge double-helix angle structural design of the double-edge chip breaking teeth 4, so that the flanging phenomenon of burrs at the edge of a workpiece is further inhibited. Compared with the traditional milling cutter, the actual cutting length of the peripheral edge of the milling cutter of the double-edge chip breaking tooth is increased, so that the pressure born by the peripheral edge of unit length is reduced under the condition of unchanged other working conditions, and the service life of the cutter is prolonged; in addition, by controlling the double helix angles, the axial milling component force in the milling process can be effectively controlled, and the phenomenon of burring and flanging of the edge of the carbon fiber composite material workpiece can be solved; finally, the double-edge chip breaking teeth have a certain wedging effect with the workpiece in the milling process, which is beneficial to reducing the vibration amplitude of the cutter.
The foregoing is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. While the invention has been described with reference to preferred embodiments, it is not intended to be limiting. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or be modified to equivalent embodiments, without departing from the scope of the technology. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention shall fall within the scope of the technical solution of the present invention.
Claims (6)
1. A PCD milling cutter for processing carbon fiber composite materials comprises a blade and a cutter bar; the method is characterized in that: the cutter bar is made of hard alloy materials; one end of the cutter bar is provided with a cutter blade mounting seat, and the other end of the cutter bar is provided with a handle; at least one chip flute circumferentially distributed according to the central line is also arranged in the blade mounting seat; the blade is fixed in the chip pocket; the blade is provided with a double-edge chip breaking tooth milling edge, the double-edge chip breaking tooth milling edge comprises a milling edge front end, a milling edge main body formed by a plurality of milling edge units and a milling edge rear end, wherein one milling edge unit comprises a double-edge chip breaking tooth and a chip breaker groove, the double-edge chip breaking tooth comprises a first milling edge and a second milling edge, and the spiral angle beta 1 of the first milling edge is opposite to the spiral angle beta 2 of the second milling edge in rotation direction;
the blade comprises a cutting layer made of PCD material and a matrix layer made of hard alloy material; the cutting layer is compounded on the substrate layer and welded and fixed in the blade mounting seat of the cutter bar through the substrate layer; the front end of the milling blade comprises a bottom blade and a part of peripheral blade; the milling blade main body and the rear end of the milling blade are both positioned on the peripheral blade;
the chip flute comprises a welding surface and a chip containing surface, the welding surface is provided with a rake angle gamma 1, the peripheral edge of the blade is provided with a rake angle gamma 2, the centripetal angle corresponding to the blade is gamma 3, and then the following relation should be satisfied among the rake angle gamma 1 of the welding surface, the rake angle gamma 2 of the peripheral edge of the blade and the centripetal angle gamma 3 of the blade: γ1=γ2+γ3;
the cutter bar comprises a cutter bar, a cutter bar and a cutter, wherein a cutter mounting seat at one end of the cutter bar is provided with a plurality of chip flutes, each chip flute is correspondingly provided with a cutter blade, the length of a cutting layer of the cutter bar is LD, the length of a basal body layer of the cutter bar is Ld, and LD is larger than Ld; the cutting layer length LD of each blade is different, and the substrate layer length Ld is also different; in each blade, the difference between the maximum value and the minimum value of the cutting layer length LD is not smaller than one chip breaker length b1, namely LDmax-LDmin is not smaller than b1.
2. The PCD milling cutter for machining a carbon fiber composite according to claim 1, wherein: the spiral angle beta 1 of the first milling edge is left-handed, the spiral angle beta 2 of the second milling edge is right-handed, the range of the spiral angle beta 1 is 20-90 degrees, and the range of the spiral angle beta 2 is-20-70 degrees; the two double-edge chip breaking teeth of the adjacent milling edge units are separated by the chip breaking grooves, so that the second milling edge of each milling edge unit is in a discontinuous state with the first milling edge of the adjacent milling edge unit, and the discontinuous state of the milling edge main body is utilized to cause discontinuous chips formed in the cutting process, so that the chips become tiny, and the chip breaking is facilitated.
3. The PCD milling cutter for machining a carbon fiber composite according to claim 2, wherein: the length of the first milling edge on the double-edge chip breaking tooth is La, the length of the second milling edge is Lb, the cutting length L of the double-edge chip breaking tooth is the sum of the projection distance of the length La of the first milling edge in the axial direction and the projection distance of the length Lb of the second milling edge in the axial direction, and the formula is expressed as L=La×cos beta 1+Lb×cos beta 2.
4. A PCD milling cutter for machining carbon fiber composites according to claim 3, wherein: the first milling edge on the double-edge chip breaking tooth is positioned at one side of the double-edge chip breaking tooth connected with the chip breaking grooves, and the second milling edge on the double-edge chip breaking tooth is positioned at one side of the double-edge chip breaking tooth connected between two adjacent chip breaking grooves; the relation between the length b1 of the chip breaker and the length La of the first milling edge of the double-edge chip breaking tooth satisfies the following formula: la=b1×cos β2/cos β1.
5. The PCD milling cutter for machining a carbon fiber composite material according to claim 4, wherein: the chip breaker groove is formed by grooving at a grooving angle alpha, and the grooving angle alpha of the chip breaker groove meets the following formula: α=β1+β2.
6. The PCD milling cutter for machining a carbon fiber composite according to claim 1, wherein: the thickness of the cutting layer of the blade is h1, the thickness of the substrate layer of the blade is h2, and the thickness h1 of the cutting layer of the blade and the length b1 of the chip breaker groove meet the following relation: b1.ltoreq.h1.times.cosβ1cosα/cosβ2.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811222174.7A CN109304507B (en) | 2018-10-19 | 2018-10-19 | PCD milling cutter for processing carbon fiber composite material |
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| CN201811222174.7A CN109304507B (en) | 2018-10-19 | 2018-10-19 | PCD milling cutter for processing carbon fiber composite material |
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| CN112620760B (en) * | 2020-12-08 | 2023-03-14 | 蓝鲸科技(深圳)有限公司 | Combination milling cutter with PCD insert and micro blade |
| CN112705742A (en) * | 2020-12-22 | 2021-04-27 | 卡孚精密科技(嘉兴)有限公司 | Alloy cutter and machining process thereof |
| CN112976357A (en) * | 2021-02-23 | 2021-06-18 | 南京航空航天大学 | Milling cutter for fiber-reinforced ceramic matrix composite and manufacturing method thereof |
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| CN113977641B (en) * | 2021-08-03 | 2023-05-30 | 厦门金鹭特种合金有限公司 | PCD cutter for processing carbon fiber composite material |
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| WO2013160692A1 (en) * | 2012-04-26 | 2013-10-31 | Exactaform Cutting Tools Limited | Rotary cutting tool |
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| CN105834499A (en) * | 2016-04-28 | 2016-08-10 | 哈尔滨理工大学 | Staggered PCD milling cutter used for processing reinforced fiber polymer and method |
| CN106270700A (en) * | 2016-09-06 | 2017-01-04 | 大连理工大学 | Multiple-cutting-edge micro-tooth milling cutter for carbon fibre composite high speed milling |
| CN107363312A (en) * | 2017-09-11 | 2017-11-21 | 大连理工大学 | Band edge sword slotting cutter for carbon fibre composite high-speed milling |
| CN107378009A (en) * | 2017-08-01 | 2017-11-24 | 大连理工大学 | A kind of micro- serrated knife tool of multi-ladder multiple-cutting-edge gradual change for carbon fibre composite drilling |
| CN108405946A (en) * | 2018-05-17 | 2018-08-17 | 大连理工大学 | Inhibit micro- tooth row cloth design method of the micro- tooth milling cutter cutting edge edge breakage of multiple-cutting-edge |
| CN209139936U (en) * | 2018-10-19 | 2019-07-23 | 厦门金鹭特种合金有限公司 | For carbon fibre composite processing PCD milling cutter |
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| TR201515785A2 (en) * | 2015-12-09 | 2017-02-21 | Alp Havacilik Sanayi Ve Ticaret Anonim Sirketi | TILTED CUTTING CUTTER KIT WITH A HELICAL ANGLE BETWEEN 28 ° AND 43 ° |
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| WO2013160692A1 (en) * | 2012-04-26 | 2013-10-31 | Exactaform Cutting Tools Limited | Rotary cutting tool |
| CN203725865U (en) * | 2014-01-06 | 2014-07-23 | 厦门金鹭特种合金有限公司 | Rough machining and finish machining end mill for carbon fiber composite |
| CN105834499A (en) * | 2016-04-28 | 2016-08-10 | 哈尔滨理工大学 | Staggered PCD milling cutter used for processing reinforced fiber polymer and method |
| CN106270700A (en) * | 2016-09-06 | 2017-01-04 | 大连理工大学 | Multiple-cutting-edge micro-tooth milling cutter for carbon fibre composite high speed milling |
| CN107378009A (en) * | 2017-08-01 | 2017-11-24 | 大连理工大学 | A kind of micro- serrated knife tool of multi-ladder multiple-cutting-edge gradual change for carbon fibre composite drilling |
| CN107363312A (en) * | 2017-09-11 | 2017-11-21 | 大连理工大学 | Band edge sword slotting cutter for carbon fibre composite high-speed milling |
| CN108405946A (en) * | 2018-05-17 | 2018-08-17 | 大连理工大学 | Inhibit micro- tooth row cloth design method of the micro- tooth milling cutter cutting edge edge breakage of multiple-cutting-edge |
| CN209139936U (en) * | 2018-10-19 | 2019-07-23 | 厦门金鹭特种合金有限公司 | For carbon fibre composite processing PCD milling cutter |
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| CN109304507A (en) | 2019-02-05 |
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