CN105750604A - Press-type PCD milling cutter for CFRP milling and manufacturing method - Google Patents

Press-type PCD milling cutter for CFRP milling and manufacturing method Download PDF

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Publication number
CN105750604A
CN105750604A CN201610271695.6A CN201610271695A CN105750604A CN 105750604 A CN105750604 A CN 105750604A CN 201610271695 A CN201610271695 A CN 201610271695A CN 105750604 A CN105750604 A CN 105750604A
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CN
China
Prior art keywords
cutter
milling
pcd
blades
milling cutter
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610271695.6A
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Chinese (zh)
Inventor
陈涛
王艳艳
刘献礼
杨辰
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Harbin University of Science and Technology
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Harbin University of Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Harbin University of Science and Technology filed Critical Harbin University of Science and Technology
Priority to CN201610271695.6A priority Critical patent/CN105750604A/en
Publication of CN105750604A publication Critical patent/CN105750604A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C5/00Milling-cutters
    • B23C5/02Milling-cutters characterised by the shape of the cutter
    • B23C5/10Shank-type cutters, i.e. with an integral shaft
    • B23C5/1009Ball nose end mills
    • B23C5/1018Ball nose end mills with permanently fixed cutting inserts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/28Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
    • B23P15/34Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools milling cutters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C2200/00Details of milling cutting inserts
    • B23C2200/28Angles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C2210/00Details of milling cutters
    • B23C2210/20Number of cutting edges
    • B23C2210/203Number of cutting edges four
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C2222/00Materials of tools or workpieces composed of metals, alloys or metal matrices
    • B23C2222/28Details of hard metal, i.e. cemented carbide
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C2226/00Materials of tools or workpieces not comprising a metal
    • B23C2226/27Composites, e.g. fibre reinforced composites

Abstract

The invention discloses a press-type PCD milling cutter for CFRP milling and a manufacturing method and relates to the technical field of milling cutters.When the milling cutter is used for machining a CFRP workpiece, axial cutting force can be offset, vibration can be reduced, and meanwhile layering, tearing and burr defects can be well inhibited.Two front milling cutter grooves are symmetrically formed in the front end of a milling cutter body, and two rear milling cutter grooves are symmetrically formed in the rear portions of the two front milling cutter grooves.The two front milling cutter grooves and the two rear milling cutter grooves are arranged sequentially and alternately, and the rear portions of the two front milling cutter grooves and the front portions of the two rear milling cutter grooves partially coincide in the axial direction.A PCD milling blade is welded in each front milling cutter groove, and a PCD milling blade is welded in each rear milling cutter groove.The four PCD milling blades are all arranged obliquely.The included angles formed between all the PCD milling blades and the center axis of the milling cutter body are the same.Every two adjacent PCD milling blades are opposite in inclining direction.A chip groove is formed in one side of the front surface of each PCD milling blade.The press-type PCD milling cutter is used for CFRP milling, and the defect that an upper surface and a lower surface are layered can be overcome.

Description

A kind of compression type PCD milling cutter for CFRP Milling Process and manufacture method
Technical field
The present invention relates to milling cutter technical field, a kind of compression type PCD milling cutter for CFRP Milling Process and manufacture method.
Background technology
Progress along with science and technology, CFRP(carbon fibre composite) it is widely used to the high-end manufacture fields such as Aero-Space due to its superior physical property and mechanical performance, the most less to the achievement in research of the Milling Process of carbon fibre composite, this is because the fibre reinforced materials hardness of CFRP is high, tissue in stratiform, heterogeneous body, anisotropic feature, belong to difficult-to-machine material.Currently, that commonly uses in various composite formed processing has whole hard alloy material milling cutter or high-speed steel material milling cutter, but the cutter of both materials all can not well overcome the problems referred to above when processing CFRP, if the slotting cutter using conventional material to make reluctantly carries out milling, in milling process, easily produce vibration and cause the composite being cut that burr occurs, and composite can be layered by spreading by cutting force effect.Tool failure that at present layering after CFRP Milling Process, tear cause and part rejection the most seriously constrain the application of CFRP.A kind of slotting cutter being exclusively used in cutting carbon fibre composite is badly in need of being employed.
PCD(polycrystalline diamond) belong to superhard material, its heat conductivity is good and cutting edge is sharp, its cutter made has wide range of applications, prominent performance is had in the field processing various composites, and along with the development of artificial diamond's Stone technique, it manufactures and processing cost is progressively reduced, and the cutter of PCD material becomes a kind of preferable cutter of processing CFRP.
Summary of the invention
It is an object of the invention to provide a kind of compression type PCD milling cutter for CFRP Milling Process and manufacture method, this milling cutter, when processing CFRP workpiece, can offset axial cutting force, reduce vibration, can well suppress layering, tear and veining defect simultaneously.
The present invention uses PCD cutter blade and carbide-tipped milling cutter main body integral solder, and the side edge of PCD cutter blade is compressive, can offset axial cutting force, reduce vibration, the most well inhibits processing CFRP workpiece layering, tear and veining defect.
Realize above-mentioned purpose, the technical scheme is that
A kind of compression type PCD milling cutter for CFRP Milling Process, including milling body, the material of described milling body is hard alloy, and the front end of the outer circumference surface of milling body is provided with four milling cutter grooves and four chip areas;nullThe described compression type PCD milling cutter for CFRP Milling Process also includes four PCD cutter blades,Four described cutter blades include two preposition cutter blades and two rearmounted cutter blades,Two described preposition cutter blades are welded in any two symmetrically arranged milling cutter groove,And two preposition cutter blades are arranged on the front end of milling cutter groove,Two described rearmounted cutter blades are welded in remaining two symmetrically arranged milling cutter grooves,And two rearmounted cutter blades are positioned at the rear portion of two preposition cutter blades,Two preposition cutter blades and two rearmounted cutter blades are arranged alternately successively,The rear portion of two preposition cutter blades partially overlaps vertically with the front portion of two rearmounted cutter blades,Four described PCD cutter blades are all obliquely installed,It is equipped with identical angle between each PCD cutter blade and milling cutter body central axis,And the most adjacent two PCD cutter blade incline directions are contrary,The rake face side of each PCD cutter blade is provided with a described chip area,Described chip area next-door neighbour's PCD cutter blade is arranged.
A kind of manufacture method of the compression type PCD milling cutter for CFRP Milling Process, described manufacture method step is:
Step one: the four of milling body chip areas and four milling cutter film traps are ground processing by grinding machine;
Step 2: use method four PCD cutter blades of welding of high-frequency induction heating soldering on four described milling cutter film traps, and with slow wire feeding cutting machine, four PCD cutter blades are carried out linear cutter thick, smart respectively.
The present invention provides the benefit that relative to prior art:
1. two preposition cutter blades are welded in any two symmetrically arranged milling cutter groove, and two preposition cutter blades are arranged on the front end of milling cutter groove, two rearmounted cutter blades are welded in remaining two symmetrically arranged milling cutter grooves, and two rearmounted cutter blades are positioned at the rear portion of two preposition cutter blades, two preposition cutter blades and two rearmounted cutter blades are arranged alternately successively, the rear portion of two preposition cutter blades partially overlaps vertically with the front portion of two rearmounted cutter blades, four PCD cutter blades are all obliquely installed, it is equipped with identical angle between each PCD cutter blade and milling cutter body central axis, and the most adjacent two PCD cutter blade incline directions are contrary, make cutter under high speed rotating, the most adjacent two PCD cutter blades are rendered as compression type state.
2. compression type PCD milling cutter is used for polish or microstoning, and therefore cutter blade has selected the PCD material that intensity height, good toughness, shock resistance are good.
3. the present invention uses the cutter structure that side edge lateral tilting combines, and when processing thicker CFRP workpiece, workpiece axial force is inwardly directed by surface, it is to avoid the generation of upper and lower surface lamination defect, is also greatly reduced the generation of burr and tearing defect simultaneously.Cutter hub uses hard alloy bar, and cutter blade uses PCD material, makes cutter entirety have high rigidity, high-wearing feature, high intensity, high abrasion and long-life performance;Various enhancing composite can be processed very well;Groove milling, hole and edges of boards, surface is clean and tidy, impulse-free robustness tearing defect.
4. the present invention uses the cutter structure that adjacent cutting side edge inclination angle is contrary, cutter is when high speed rotating, adjacent cutting sword is in compressing shape, the upper and lower surface of work piece CFRP can be pushed down, effectively avoid CFRP upper and lower surface burr and the generation of tear, greatly reduce the disqualification rate of CFRP Milling Process.
5. due to the existence at inclination angle, reducing milling cutter and cut out impulsive force, processing is trembled little, and cutter rigidity is high, and cutting noise is substantially reduced, and tool failure defect reduces, tool bit life, and machined surface quality is high.
6. using high-frequency induction heating soldering, welding process need not fixture, and cutter manufacture technique simplifies, and production efficiency improves, and manufacturing cost reduces.
7. the method for the present invention can reduce tool grinding excess, it is possible to obtains preferable surface quality.
8. use the method for high-frequency induction heating soldering to be weldingly fixed in milling cutter groove by PCD cutter blade, during use, the compression type PCD milling cutter of the present invention is assemblied on CNC process equipment, by compression type blade type, milling cutter add man-hour vibration little, chip removal good, milling axial force points to material internal, and processing carbon fiber is without layering.Milling Speed is up to 800 ~ 1000m/min, and cutter life is long, and work efficiency is high.
Accompanying drawing explanation
Fig. 1 is the front view of the compression type PCD milling cutter for CFRP Milling Process of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the front view of milling body;
Fig. 4 is the axonometric drawing of PCD cutter blade;
Fig. 5 is all tooth geometric angle schematic diagrams of PCD cutter blade.
In figure, milling body 1, milling cutter groove 2, PCD cutter blade 3, preposition cutter blade 3-1, rearmounted cutter blade 3-2, chip area 4, week tooth cutting edge 5, rake face 6, rear knife face 7.
Detailed description of the invention
Detailed description of the invention one: as shown in Fig. 1 ~ Fig. 4, present embodiment discloses a kind of compression type PCD milling cutter for CFRP Milling Process, including milling body 1, the material of described milling body 1 is hard alloy, and the front end of the outer circumference surface of milling body 1 is provided with four milling cutter grooves 2 and four chip areas 4;nullThe described compression type PCD milling cutter for CFRP Milling Process also includes the diamond that four PCD cutter blade 3(selection granularities are thinner,The thinnest wearability of diamond grit is the highest,Diamond grit is preferably 30 μm),Four described cutter blades 3 include two preposition cutter blade 3-1 and two rearmounted cutter blade 3-2,Two described preposition cutter blade 3-1 are welded in any two symmetrically arranged milling cutter groove 2,And two preposition cutter blade 3-1 are arranged on the front end of milling cutter groove 2,Two described rearmounted cutter blade 3-2 are welded in remaining two symmetrically arranged milling cutter grooves 2,And two rearmounted cutter blade 3-2 are positioned at the rear portion of two preposition cutter blade 3-1,Two preposition cutter blade 3-1 and two rearmounted cutter blade 3-2 are arranged alternately successively,The rear portion of two preposition cutter blade 3-1 partially overlaps vertically with the front portion of two rearmounted cutter blade 3-2,Four described PCD cutter blades 3 are all obliquely installed,It is equipped with identical angle theta between each PCD cutter blade 3 and milling cutter body 1 central axis,And the most adjacent two PCD cutter blade 3 incline directions are contrary,The rake face side of each PCD cutter blade 3 is provided with a described chip area 4,Described chip area 4 is close to PCD cutter blade 3 and arranges.
The thickness of PCD cutter blade 3 is 1mm, and hard alloy layer thickness is 0.7mm.When PCD cutter blade 3 welds with milling body 1, the thickness of hard alloy layer can not be the least, to avoid causing layering because of the stress difference between PCD cutter blade 3 and milling body 1 faying face.
Detailed description of the invention two: as it is shown in figure 1, a kind of compression type PCD milling cutter for CFRP Milling Process described in detailed description of the invention one, the angle theta between described each PCD cutter blade 3 and milling cutter body 1 central axis is 4 °.Cutter is under high speed rotating, and the most adjacent two PCD cutter blades 3 are rendered as compression type state.This technical scheme for the low easy layering of composite interlayer bond strength, upper and lower finished surface is easily generated the defect such as burr, tear has good processing to show.
Detailed description of the invention three: as shown in Figures 1 and 2, a kind of compression type PCD milling cutter for CFRP Milling Process described in detailed description of the invention one, between rake face and chip area 4 groove bottom of described each PCD cutter blade 3, angulation β is 90 ° (being also the angle of chip area 4).
Detailed description of the invention four: as shown in Fig. 1, Fig. 4 and Fig. 5, a kind of compression type PCD milling cutter for CFRP Milling Process described in detailed description of the invention one, the length of four described PCD cutter blades 3 is 6mm, anterior angle f of all tooth cutting edges 5 of four PCD cutter blades 3 is 3 °, and the relief angle α f of all tooth cutting edges of four PCD cutter blades 3 is 10 °.The effect of this technical scheme is: the biggest so cutting force of anterior angle of all tooth cutting edges is the least, corresponding working angles is the most stable, the processing effect of work piece is more preferable, but the anterior angle of week tooth cutting edge is crossed conference and made that cutting edge is thinning to be caused stress to be concentrated being easily generated tipping and affect cutter life;The relief angle of all tooth cutting edges mainly contacts with machined surface, the biggest then contact area of relief angle of all tooth cutting edges is the least, corresponding cutter also can reduce with the frictional force of work piece machined surface, working angles also can more be stablized, but the relief angle of week tooth cutting edge is excessive again such that cutting edge is thinning, and then makes cutter tipping.From this, angle angle is moderate in terms of the selection of week tooth cutting edge it is noted that before and after selecting cutter week tooth cutting edge.
Detailed description of the invention five: as shown in Fig. 1 ~ Fig. 4, the manufacture method of compression type PCD milling cutter described in any claim in detailed description of the invention one to four, described manufacture method step is:
Step one: four chip areas 4 of milling body 1 and four milling cutter film traps 2 are ground processing by grinding machine;
Step 2: use method four PCD cutter blades 3 of welding of high-frequency induction heating soldering on four described milling cutter film traps 2, and with slow wire feeding cutting machine, four PCD cutter blades 3 are carried out linear cutter thick, smart respectively.
Pulse voltage during slow wire feeding cutting machine linear cutter is 150V, pulse current is 5A.
PCD cutter blade 3 is welded in the milling cutter groove 2 of milling body 1 by the present invention by the method for high-frequency induction heating soldering, PCD cutter blade 3 sharpens technique and mainly uses resin anchoring agent diamond grinding wheel to carry out grinding, and PCD cutter blade 3 surface roughness Ra after grinding is between 0.02 ~ 0.1 μm.
All teeth of the PCD cutter blade 3 radially side of each PCD cutter blade 3 (described all teeth be) include that week tooth cutting edge 5, rake face 6 and rear knife face 7(are as shown in Figure 5).
Although the present invention discloses as above with preferred embodiment; but it is not limited to the present invention's; those skilled in the art can also do other changes in spirit of the present invention; and be applied in the NM field of the present invention; certainly, these changes done according to present invention spirit all should be included in scope of the present invention.

Claims (5)

1., for a compression type PCD milling cutter for CFRP Milling Process, including milling body (1), the material of described milling body (1) is hard alloy, and the front end of the outer circumference surface of milling body (1) is provided with four milling cutter grooves (2) and four chip areas (4);nullIt is characterized in that: the described compression type PCD milling cutter for CFRP Milling Process also includes four PCD cutter blades (3),Four described cutter blades (3) include two preposition cutter blades (3-1) and two rearmounted cutter blades (3-2),Two described preposition cutter blades (3-1) are welded in any two symmetrically arranged milling cutter groove (2),And two preposition cutter blades (3-1) are arranged on the front end of milling cutter groove (2),Two described rearmounted cutter blades (3-2) are welded in remaining two symmetrically arranged milling cutter grooves (2),And two rearmounted cutter blades (3-2) are positioned at the rear portion of two preposition cutter blades (3-1),Two preposition cutter blades (3-1) and two rearmounted cutter blades (3-2) are arranged alternately successively,The rear portion of two preposition cutter blades (3-1) partially overlaps vertically with the front portion of two rearmounted cutter blades (3-2),Four described PCD cutter blades (3) are all obliquely installed,Identical angle (θ) it is equipped with between each PCD cutter blade (3) and milling cutter body (1) central axis,And the most adjacent two PCD cutter blade (3) incline directions are contrary,The rake face side of each PCD cutter blade (3) is provided with a described chip area (4),Described chip area (4) next-door neighbour's PCD cutter blade (3) is arranged.
A kind of compression type PCD milling cutter for CFRP Milling Process the most according to claim 1, it is characterised in that: the described angle (θ) between each PCD cutter blade (3) and milling cutter body (1) central axis is 4 °.
A kind of compression type PCD milling cutter for CFRP Milling Process the most according to claim 1, it is characterised in that: between rake face and chip area (4) groove bottom of described each PCD cutter blade (3), angulation (β) is 90 °.
A kind of compression type PCD milling cutter for CFRP Milling Process the most according to claim 1, it is characterized in that: the length of four described PCD cutter blades (3) is 6mm, the anterior angle (f) of all tooth cutting edges (5) of four PCD cutter blades (3) is 3 °, and the relief angle (α f) of all tooth cutting edges of four PCD cutter blades (3) is 10 °.
5. the manufacture method of compression type PCD milling cutter described in any claim in a Claims 1-4, it is characterised in that: described manufacture method step is:
Step one: four chip areas (4) of milling body (1) and four milling cutter film traps (2) are ground processing by grinding machine;
Step 2: upper method four the PCD cutter blades (3) of welding using high-frequency induction heating soldering of four described milling cutter film traps (2), and with slow wire feeding cutting machine, four PCD cutter blades (3) are carried out linear cutter thick, smart respectively.
CN201610271695.6A 2016-04-28 2016-04-28 Press-type PCD milling cutter for CFRP milling and manufacturing method Pending CN105750604A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610271695.6A CN105750604A (en) 2016-04-28 2016-04-28 Press-type PCD milling cutter for CFRP milling and manufacturing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610271695.6A CN105750604A (en) 2016-04-28 2016-04-28 Press-type PCD milling cutter for CFRP milling and manufacturing method

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Publication Number Publication Date
CN105750604A true CN105750604A (en) 2016-07-13

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106112082A (en) * 2016-08-31 2016-11-16 成都晶脉精密机械有限公司 A kind of not isoclinic angle PCD milling cutter processing fibrous composite

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01281810A (en) * 1987-06-25 1989-11-13 Stellram Sa Milling cutter
EP0619163A1 (en) * 1993-04-05 1994-10-12 Ledermann GmbH Process for manufacturing cutting tools and cutting tool
CN201151007Y (en) * 2007-12-18 2008-11-19 吴照勇 Novel T-shaped slot milling cutter
CN102172823A (en) * 2011-01-13 2011-09-07 上海大学 Multi-blade polycrystalline diamond (PCD) milling tool for processing carbon fiber reinforced plastics and manufacturing method thereof
CN102922024A (en) * 2011-08-12 2013-02-13 深圳市中天精密工具有限公司 Milling cutter used for processing forming surface
US20130223941A1 (en) * 2010-08-05 2013-08-29 Guehring Ohg Machining tool and method for producing same
CN203197354U (en) * 2013-04-25 2013-09-18 重庆市江津区通达机械厂 T-shaped slotting cutter with replaceable blade
CN103658795A (en) * 2012-09-26 2014-03-26 深圳市中天精密工具有限公司 Polycrystalline diamond milling cutter
CN203936446U (en) * 2014-07-21 2014-11-12 哈尔滨理工大学 The milling cutter of processing carbon fibre composite
CN105149666A (en) * 2015-10-29 2015-12-16 江苏中晟钻石工具有限公司 Novel PCD milling tool generating few accumulated chips at tool edge
CN105195800A (en) * 2015-10-28 2015-12-30 江苏中晟钻石工具有限公司 High-efficiency integral PCD milling cutter
CN105364153A (en) * 2015-11-26 2016-03-02 株洲钻石切削刀具股份有限公司 Flat-end vertical milling cutter

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01281810A (en) * 1987-06-25 1989-11-13 Stellram Sa Milling cutter
EP0619163A1 (en) * 1993-04-05 1994-10-12 Ledermann GmbH Process for manufacturing cutting tools and cutting tool
CN201151007Y (en) * 2007-12-18 2008-11-19 吴照勇 Novel T-shaped slot milling cutter
US20130223941A1 (en) * 2010-08-05 2013-08-29 Guehring Ohg Machining tool and method for producing same
CN102172823A (en) * 2011-01-13 2011-09-07 上海大学 Multi-blade polycrystalline diamond (PCD) milling tool for processing carbon fiber reinforced plastics and manufacturing method thereof
CN102922024A (en) * 2011-08-12 2013-02-13 深圳市中天精密工具有限公司 Milling cutter used for processing forming surface
CN103658795A (en) * 2012-09-26 2014-03-26 深圳市中天精密工具有限公司 Polycrystalline diamond milling cutter
CN203197354U (en) * 2013-04-25 2013-09-18 重庆市江津区通达机械厂 T-shaped slotting cutter with replaceable blade
CN203936446U (en) * 2014-07-21 2014-11-12 哈尔滨理工大学 The milling cutter of processing carbon fibre composite
CN105195800A (en) * 2015-10-28 2015-12-30 江苏中晟钻石工具有限公司 High-efficiency integral PCD milling cutter
CN105149666A (en) * 2015-10-29 2015-12-16 江苏中晟钻石工具有限公司 Novel PCD milling tool generating few accumulated chips at tool edge
CN105364153A (en) * 2015-11-26 2016-03-02 株洲钻石切削刀具股份有限公司 Flat-end vertical milling cutter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106112082A (en) * 2016-08-31 2016-11-16 成都晶脉精密机械有限公司 A kind of not isoclinic angle PCD milling cutter processing fibrous composite

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Application publication date: 20160713