CN106270702A - A kind of monoblock type hard alloy profile milling cutter with curve sword - Google Patents

A kind of monoblock type hard alloy profile milling cutter with curve sword Download PDF

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Publication number
CN106270702A
CN106270702A CN201610940603.9A CN201610940603A CN106270702A CN 106270702 A CN106270702 A CN 106270702A CN 201610940603 A CN201610940603 A CN 201610940603A CN 106270702 A CN106270702 A CN 106270702A
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CN
China
Prior art keywords
cutter
tooth
angle
hard alloy
monoblock type
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Pending
Application number
CN201610940603.9A
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Chinese (zh)
Inventor
岳彩旭
蔡春彬
刘献礼
潘恩光
张国立
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HARBIN TECHNOLOGY UNIV
Harbin University of Science and Technology
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HARBIN TECHNOLOGY UNIV
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Publication date
Application filed by HARBIN TECHNOLOGY UNIV filed Critical HARBIN TECHNOLOGY UNIV
Priority to CN201610940603.9A priority Critical patent/CN106270702A/en
Publication of CN106270702A publication Critical patent/CN106270702A/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

Abstract

A kind of monoblock type hard alloy profile milling cutter with curve sword, it relates to a kind of carbide-tipped milling cutter, during to solve existing carbide tool milling aluminium alloy 3C part, the milling cutter life-span is unstable, easily producing milling lines, the problem of workpiece profile poor surface smoothness, it includes handle of a knife, cutter neck and the cutter hub be made up of hard alloy and connect as one, cutter hub includes that cutter tooth and dregs guiding groove, cutter tooth and dregs guiding groove are helicoidal structure;There is on cutter tooth blade;Dregs guiding groove axial length is 8 10mm, and the helical angle of sword tooth is 30 40 °, a length of 1.3mm of the chip pocket of cutter hub end;The width of land is 0.05 0.1mm.The present invention is used for aluminium alloy 3C part Milling Process.

Description

A kind of monoblock type hard alloy profile milling cutter with curve sword
Technical field
The present invention relates to a kind of carbide-tipped milling cutter, be specifically related to a kind of monoblock type hard alloy molding with curve sword Milling cutter.
Background technology
The 3C Product application aluminium alloy appearance parts both at home and abroad such as at present mobile phone, computer, communication is more and more, to aluminium alloy outside See part number of cutters demand increasing.It is thin that aluminium alloy 3C part has wall, highly polished, and surface profile curved surface is complicated, and one Secondary cutting forming, the features such as finished surface is long-pending.The cutter processing this kind of part is commonly whole hard alloy and superhard profile cutter Tool, has curved edge.Hard alloy profile cutters is easily generated angle and tread before and after not waiting in grinding process, is cutting Easily produce milling lines during cutting, cause the problems such as parts profile poor surface smoothness, and keep fineness this In index, the life-span is unstable, and these problems are the most urgently to be resolved hurrily.
Summary of the invention
The present invention is to provide a kind of monoblock type hard alloy profile milling cutter with curve sword, to solve existing hard alloy During Tool in Milling aluminium alloy 3C part, the milling cutter life-span is unstable, easily produces milling lines, and workpiece profile surface best bright finish is poor Problem.
The present invention solves that the problems referred to above take techniques below scheme:
A kind of monoblock type hard alloy profile milling cutter with curve sword includes being made up of hard alloy and connecting as one Handle of a knife, cutter neck and cutter hub, cutter hub includes that cutter tooth and dregs guiding groove, cutter tooth and dregs guiding groove are helicoidal structure;Have on cutter tooth Blade;Dregs guiding groove axial length is 8-10mm, and the helical angle of sword tooth is 30-40 °, and the width of the chip pocket of cutter hub end is 1.3mm;The width of land is 0.05-0.1mm.
Further, cutter tooth is four groups of cutters tooth;Four groups of cutters tooth are to wait tooth pitch, and the angular pitch of cutter tooth is 90 °.
Further, cutter tooth is four groups of cutters tooth, and four groups of cutters tooth are unequal blade spacing, and the angular pitch of cutter tooth is respectively a tooth pitch Angle and No. two angular pitch, an angular pitch is in the range of 94 °-98 °, and No. two angular pitch are in the range of 82 °-86 °, and a tooth pitch Angle and No. two angular pitch sums are 180 °.
Further, a kind of monoblock type hard alloy profile milling cutter with curve sword also have rake angle, gash angle, End relief angle, the first relief angle and the second relief angle;Wherein rake angle is in the range of 5 °-12 °, and gash angle is 5 °, and end relief angle is 5 °, the One relief angle is in the range of 3 °-8 °, and the second relief angle is in the range of 10 °-20 °.
Further, cutter hub end also has butterfly angle, and butterfly angle is 1.5 °.
The invention has the beneficial effects as follows: 1, during profile milling cutter of the present invention design, widened the chip pocket width of cutter hub cutter tooth end Degree so that chip is easily drained, and is not susceptible to chip and overstocks phenomenon, and cutting situation is improved.
2, design process of the present invention is passed through emulation experiment reasonably optimizing contour curve sword structure and relevant angle is joined Number, solves the problem producing bright line in the course of processing.The rake angle of this profile milling cutter takes 5~12 °, the first relief angle take 3~ 8 °, the second relief angle takes 10~20 °, it is ensured that while intensity, and cutting edge is sharper, and cutting force and heat in metal cutting reduce, the cutter longevity Life is improved.Cutter life reaches processing capacity more than 500, decreases the number of times of tool changing, and stock-removing efficiency improves accordingly.
3, the profile milling cutter of the present invention uses the design of unequal blade spacing angle, decreases the vibration cutting of working angles, reduces Resonance problem in Milling Processes, makes the course of processing more stable.
4, the profile milling cutter of the present invention is monoblock type carbide end mill, it is possible to while keeping the life-span stable, fall The generation of low milling lines, it is ensured that workpiece profile surface smoothness.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of a kind of monoblock type hard alloy profile milling cutter with curve sword of the present invention;
Fig. 2 is the side view of Fig. 1;
Fig. 3 is the sectional view of the line A-A along Fig. 1 during the angular pitch such as four groups;
Fig. 4 is the sectional view of cutter hub during four groups of unequal blade spacing angles;
Fig. 5 is the sectional view of the line B-B along Fig. 1;
Fig. 6 is the sectional view of the line C-C along Fig. 2.
It is embodied as measure
Further illustrate technical scheme below in conjunction with the accompanying drawings and by detailed description of the invention
Seeing Fig. 1-Fig. 5 explanation, a kind of monoblock type hard alloy profile milling cutter with curve sword includes by hard alloy Handle of a knife 1, cutter neck 2 and the cutter hub 3 made and connect as one, cutter hub 3 includes cutter tooth 3-1 and dregs guiding groove 3-2, cutter tooth 3-1 and leads Bits groove 3-2 is helicoidal structure;On cutter tooth 3-1, there is blade;Dregs guiding groove 3-2 axial length L is 8-10mm, sword tooth 3-1's Helical angle η is 30-40 °, and length K of the chip pocket 12 of cutter hub 3 end is 1.3mm;The width W of land is 0.05-0.1mm.
Contour curve sword structure and relevant angle parameter by emulation experiment reasonably optimizing, solve in the course of processing The problem producing bright line, has widened the chip pocket of cutter hub cutter tooth end so that chip is easily drained, and is not susceptible to chip and overstocks existing As, cutting situation be improved significantly.Using for convenience, handle of a knife uses cylindrical cutter handle structure.Such molding cutter structure And the design of angle parameter, solve hard alloy profile milling cutter when processing the thin aluminium alloy 3C part of wall, due to such zero The reasons such as part wall is thin, and smoothness requirements is high, and contour surface is complicated so that easily produce milling lines in working angles, cause Parts profile poor surface smoothness, produces the problem such as bright line and milling cutter vibration.
Seeing Fig. 1 and Fig. 3 explanation, cutter tooth 3-1 is four groups of cutters tooth;Four groups of cutters tooth are to wait tooth pitch, and the angular pitch Φ of cutter tooth is equal It it is 90 °.The profile milling cutter of the angular pitch structures such as employing, processes easy to use, meets the design requirements and the actual needs.
Seeing Fig. 1 and Fig. 4 explanation, cutter tooth 3-1 is four groups of cutters tooth, and four groups of cutters tooth are unequal blade spacing, and the angular pitch of cutter tooth divides Be not an angular pitch D and No. two angular pitch E, an angular pitch D in the range of 94 °-98 °, No. two angular pitch E in the range of 82 °-86 °, and an angular pitch D and No. two angular pitch E sums are 180 °.Use the profile milling cutter at unequal blade spacing angle, decrease The vibration cutting of working angles, reduces the resonance problem in Milling Processes, makes the course of processing more stable.See Fig. 2 Shown in, 8 is cutter tooth.
Seeing Fig. 3 and Fig. 6 explanation, a kind of monoblock type hard alloy profile milling cutter with curve sword also has rake angle γ, backlash angle beta, end relief angle θ, the first relief angle λ and the second relief angle α;Wherein rake angle γ is in the range of 5 °-12 °, backlash angle beta Being 5 °, end relief angle θ is 5 °, and the first relief angle λ is in the range of 3 °-8 °, and the second relief angle α is in the range of 10 °-20 °.Pass through emulation experiment Reasonably optimizing contour curve sword structure and relevant angle parameter, it is ensured that while intensity, cutting edge is sharper, cutting force Reducing with heat in metal cutting, cutter life is improved.Solve the problem producing bright line in the course of processing.Time actually used, backlash Angle does not connect point of a knife, all sword rake faces and major first flank polishing.
Seeing Fig. 5 explanation, it is 1.5 ° that cutter hub 3 end also has butterfly angle ξ, butterfly angle ξ.It is arranged such, meets design and want Summation is actually needed.
Cutter tooth 3-1 is alternatively three groups of cutters tooth, and the angular pitch of cutter tooth is 120 °.Being arranged such, simple in construction, design is closed Reason, meets the design requirements and the actual needs.

Claims (5)

1., with a monoblock type hard alloy profile milling cutter for curve sword, it includes being made up of hard alloy and connecting as one Handle of a knife (1), cutter neck (2) and cutter hub (3), it is characterised in that: cutter hub (3) includes cutter tooth (3-1) and dregs guiding groove (3-2), cutter tooth (3-1) it is helicoidal structure with dregs guiding groove (3-2);On cutter tooth (3-1), there is blade;Dregs guiding groove (3-2) axial length (L) is 8-10mm, the helical angle (η) of sword tooth (3-1) is 30-40 °, and the width (K) of the chip pocket (12) of cutter hub (3) end is 1.3mm; The width (W) of land is 0.05-0.1mm.
A kind of monoblock type hard alloy profile milling cutter with curve sword the most according to claim 1, it is characterised in that: cutter Tooth (3-1) is four groups of cutters tooth;Four groups of cutters tooth are to wait tooth pitch, and the angular pitch (Φ) of cutter tooth is 90 °.
A kind of monoblock type hard alloy profile milling cutter with curve sword the most according to claim 1, it is characterised in that: cutter Tooth (3-1) is four groups of cutters tooth, and four groups of cutters tooth are unequal blade spacing, and the angular pitch of cutter tooth is respectively an angular pitch (D) and No. two teeth Elongation (E), an angular pitch (D) is in the range of 94 °-98 °, and No. two angular pitch (E) are in the range of 82 °-86 °, and a tooth pitch Angle (D) and No. two angular pitch (E) sums are 180 °.
4., according to a kind of monoblock type hard alloy profile milling cutter with curve sword described in claim 1,2 or 3, its feature exists In: described a kind of monoblock type hard alloy profile milling cutter with curve sword also has rake angle (γ), gash angle (β), end Relief angle (θ), the first relief angle (λ) and the second relief angle (α);Wherein rake angle (γ) is in the range of 5 °-12 °, and gash angle (β) is 5 °, end relief angle (θ) is 5 °, and the first relief angle (λ) is in the range of 3 °-8 °, and the second relief angle (α) is in the range of 10 °-20 °.
A kind of monoblock type hard alloy profile milling cutter with curve sword the most according to claim 4, it is characterised in that: cutter Body (3) end also has butterfly angle (ξ), and butterfly angle (ξ) is 1.5 °.
CN201610940603.9A 2016-10-25 2016-10-25 A kind of monoblock type hard alloy profile milling cutter with curve sword Pending CN106270702A (en)

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CN201610940603.9A CN106270702A (en) 2016-10-25 2016-10-25 A kind of monoblock type hard alloy profile milling cutter with curve sword

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106984854A (en) * 2016-12-21 2017-07-28 中山市园丰精密刃具有限公司 The cutter of arcwall face processing
CN107322065A (en) * 2017-07-31 2017-11-07 无锡国宏硬质合金模具刃具有限公司 A kind of stainless steel roughing milling cutter
CN107755769A (en) * 2017-10-24 2018-03-06 国宏工具系统(无锡)股份有限公司 A kind of wearable hard alloy outward appearance milling cutter
WO2019047249A1 (en) * 2017-09-06 2019-03-14 深圳市鑫国钰精密工具有限公司 Milling cutter
CN110842267A (en) * 2019-10-16 2020-02-28 江苏科技大学 Tapered four-edge milling cutter with variable core diameter and variable tooth pitch

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CN201524832U (en) * 2009-09-15 2010-07-14 无锡国宏硬质合金模具刃具有限公司 Spiral milling cutter with four unequal edges
CN102441698A (en) * 2011-10-13 2012-05-09 东阳市速博数控刀具有限公司 Efficient high-speed cutting hard alloy milling cutter
CN202571427U (en) * 2012-04-10 2012-12-05 天津大学 Special tool for helical milling of carbon fiber composites and titanium alloys
CN103008745A (en) * 2012-11-21 2013-04-03 大连经济技术开发区伊达工具有限公司 End mill used for processing titanium alloy
CN104339005A (en) * 2013-07-30 2015-02-11 常州耐之力刀具制造有限公司 Four-edged round nose end milling cutter
CN204353552U (en) * 2014-12-30 2015-05-27 东莞蒂宾精密五金有限公司 Polishing four tooth wolfram steel milling cutter
WO2016020047A1 (en) * 2014-08-06 2016-02-11 Günther Wirth Hartmetallwerkzeuge GmbH & Co. KG Milling tool
CN105563665A (en) * 2015-12-14 2016-05-11 广东工业大学 Diamond coating cutter, and preparation method and application thereof in high speed graphite processing
CN105583450A (en) * 2015-12-18 2016-05-18 天津大学 Special cutter for processing large-diameter spiral milling holes of composite material and titanium-alloy laminated component

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009122937A1 (en) * 2008-03-31 2009-10-08 住友電工ハ-ドメタル株式会社 End mill
CN201524832U (en) * 2009-09-15 2010-07-14 无锡国宏硬质合金模具刃具有限公司 Spiral milling cutter with four unequal edges
CN102441698A (en) * 2011-10-13 2012-05-09 东阳市速博数控刀具有限公司 Efficient high-speed cutting hard alloy milling cutter
CN202571427U (en) * 2012-04-10 2012-12-05 天津大学 Special tool for helical milling of carbon fiber composites and titanium alloys
CN103008745A (en) * 2012-11-21 2013-04-03 大连经济技术开发区伊达工具有限公司 End mill used for processing titanium alloy
CN104339005A (en) * 2013-07-30 2015-02-11 常州耐之力刀具制造有限公司 Four-edged round nose end milling cutter
WO2016020047A1 (en) * 2014-08-06 2016-02-11 Günther Wirth Hartmetallwerkzeuge GmbH & Co. KG Milling tool
CN204353552U (en) * 2014-12-30 2015-05-27 东莞蒂宾精密五金有限公司 Polishing four tooth wolfram steel milling cutter
CN105563665A (en) * 2015-12-14 2016-05-11 广东工业大学 Diamond coating cutter, and preparation method and application thereof in high speed graphite processing
CN105583450A (en) * 2015-12-18 2016-05-18 天津大学 Special cutter for processing large-diameter spiral milling holes of composite material and titanium-alloy laminated component

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106984854A (en) * 2016-12-21 2017-07-28 中山市园丰精密刃具有限公司 The cutter of arcwall face processing
CN107322065A (en) * 2017-07-31 2017-11-07 无锡国宏硬质合金模具刃具有限公司 A kind of stainless steel roughing milling cutter
WO2019047249A1 (en) * 2017-09-06 2019-03-14 深圳市鑫国钰精密工具有限公司 Milling cutter
CN107755769A (en) * 2017-10-24 2018-03-06 国宏工具系统(无锡)股份有限公司 A kind of wearable hard alloy outward appearance milling cutter
CN110842267A (en) * 2019-10-16 2020-02-28 江苏科技大学 Tapered four-edge milling cutter with variable core diameter and variable tooth pitch
WO2021073023A1 (en) * 2019-10-16 2021-04-22 江苏科技大学 Core-diameter-variable and tooth-pitch-variable tapered four-edge milling cutter

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Application publication date: 20170104