CN108723453B - End milling cutter with wave-shaped edge - Google Patents

End milling cutter with wave-shaped edge Download PDF

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Publication number
CN108723453B
CN108723453B CN201810329759.2A CN201810329759A CN108723453B CN 108723453 B CN108723453 B CN 108723453B CN 201810329759 A CN201810329759 A CN 201810329759A CN 108723453 B CN108723453 B CN 108723453B
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China
Prior art keywords
sword
edge
cutter
wave
cutting edge
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CN201810329759.2A
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Chinese (zh)
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CN108723453A (en
Inventor
曹岩
雷鸣宇
付雷杰
吴庆云
张娜娜
郭勇
李强
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Xi'an anda Electromechanical Technology Co.,Ltd.
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Xian Technological University
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Priority to CN201810329759.2A priority Critical patent/CN108723453B/en
Publication of CN108723453A publication Critical patent/CN108723453A/en
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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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C2200/00Details of milling cutting inserts
    • B23C2200/08Rake or top surfaces
    • B23C2200/085Rake or top surfaces discontinuous
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C2200/00Details of milling cutting inserts
    • B23C2200/12Side or flank surfaces
    • B23C2200/125Side or flank surfaces discontinuous

Abstract

The invention discloses an end mill with a wave-shaped edge, which comprises a mill body, wherein the end part of the mill head is provided with an end blade front cutter face, a secondary cutter edge is formed by intersecting the end blade front cutter face and an end blade rear cutter face, the edge shape of the secondary cutter edge is a sine curve, the peaks and the valleys of adjacent secondary cutter edges are staggered, the mill head is provided with a cutter tip part, the cutter tip part is provided with a cutter tip blade, the end part of the mill body is provided with a mill body chamfer, and the angle of the cutter body chamfer is 45 degrees. Realizing large feed cutting.

Description

End milling cutter with wave-shaped edge
Technical Field
The invention relates to the technical field of end mills, in particular to an end mill with a waveform edge.
Background
Milling means that a rotary multi-edge cutter is used for cutting a workpiece to perform efficient machining, the cutter rotates (does main motion), the workpiece moves (does feed motion), the workpiece is fixed, the rotary cutter moves (simultaneously completes main motion and feed motion), a milling machine tool comprises a horizontal milling machine or a vertical milling machine and a large-scale planomiller, the machine tools can be a common machine tool and a numerical control machine tool, the rotary milling cutter is used for cutting machining of the cutter, the milling is generally performed on the milling machine or a boring machine, and the milling machine is suitable for machining planes, grooves, various forming surfaces (such as spline milling keys, gears and threads), special surfaces of dies and the like.
Milling is one of the most important machining methods, and due to good universality, the application is very wide, and the types, shapes and functions of milling cutters are multiple. In milling, when a workpiece is milled, in order to ensure the efficiency and quality of milling of the workpiece, a rough milling cutter is required to be used for primarily milling the workpiece, the existing rough milling cutter is low in milling efficiency when primarily milling the workpiece, the cutter blade is easy to damage, meanwhile, the surface of the workpiece is easy to damage, the processing speed of the workpiece is influenced, and the service life of the milling cutter is prolonged.
Disclosure of Invention
The present invention is directed to an end mill with a wavy edge, which solves the above problems of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a wave form sword end mill, including the cutter body, the cutter body front portion is equipped with the tool bit, be equipped with the main cutting edge on the tool bit, the tool bit tip is equipped with a plurality of vice cutting edge, vice cutting edge adopts wave structure, vice cutting edge is the heliciform, the tool bit tip is equipped with end sword back knife face, end sword back knife face adopts the wave face, the tool bit tip is equipped with end sword front knife face, vice cutting edge is crossing formation by end sword front knife face and end sword back knife face, the sword shape of vice cutting edge is sinusoidal, the peak valley of adjacent vice cutting edge staggers, be equipped with the sword point portion on the tool bit, be equipped with the sword point sword on the sword point portion, knife point sword inclination is 4 degrees, sword point portion is.
As a further scheme of the invention: the diameter of the cutter body is 10 mm.
As a further scheme of the invention: the cutter body length is 100 mm.
As a further scheme of the invention: the cutter body is made of hard alloy materials.
As a further scheme of the invention: the main cutting edges are four.
As a further scheme of the invention: four auxiliary cutting edges are arranged.
As a further scheme of the invention: the helix angle of the secondary cutting edge is 25 degrees.
As a further scheme of the invention: the highest point and the lowest point of the wave peak valley of the auxiliary cutting edge are in involute transition.
As a further scheme of the invention: the height of the wave teeth of the secondary blade is 1-2 mm.
Compared with the prior art, the invention has the beneficial effects that: the invention processes the rear cutter face of the end blade into a wave-shaped face by the special milling fixture, so that the rear cutter face of the end blade and the front cutter face of the end blade are intersected to form a wave-shaped secondary cutter edge, the strength of the cutter point is high, the speed of cutting off the blank machining allowance of a workpiece can be improved, the cutter has sufficient chip containing space and reliable chip coiling, breaking and discharging performances on the premise of ensuring the rigidity and the strength of the cutter, the cutting is light and fast, the vibration is small, the chip discharging is smooth, the metal removal rate is high, the cutter is more suitable for rough milling, the structure is simple, scientific and reasonable, the diameter specification of the milling cutter can be smaller, the small cavity rough machining is better, the distribution of cutting load is changed, the cutting force per unit area is reduced, the chip separation is good, the workpiece is easier to cut, the sliding distance of the cutting edge on the working surface during cutting can be reduced by increasing the cutting thickness of the rear wave-shaped blade, the, the milling cutter has the advantages of ensuring the processing quality of workpieces, prolonging the service life of the milling cutter, greatly reducing the periodicity of cutting force change, ensuring that the cutting process is stable, the cutting is light and fast, the vibration is small, the chip removal is smooth, the metal removal rate is high, and the milling cutter is more suitable for rough milling, is particularly suitable for milling workpieces with rough surfaces such as gas-cutting steel plates and the like, and realizes large-feed cutting.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is an end view of the present invention;
fig. 3 is a schematic structural diagram of the present invention.
In the figure: cutter body 1, tool bit 2, vice cutting edge 3.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, an end mill with a wave-shaped edge comprises a mill body 1, the diameter of the mill body 1 is 10mm, the length of the mill body 1 is 100mm, the mill body 1 is made of hard alloy material, a mill head 2 is arranged at the front part of the mill body 1, a main cutting edge is arranged on the mill head 2, the main cutting edge is provided with four, a plurality of auxiliary cutting edges 3 are arranged at the end part of the mill head 2, the auxiliary cutting edges 3 are provided with four auxiliary cutting edges 3, the auxiliary cutting edges 3 are wave-shaped, the spiral angle of the auxiliary cutting edges 3 is 25 degrees, an end cutting rear face is arranged at the end part of the mill head 2, the end cutting rear face is wave-shaped, the end cutting front face is arranged at the end part of the mill head 2, the auxiliary cutting edges 3 are formed by intersecting the end cutting front face and the end cutting rear face, the edge shape of the auxiliary cutting edges 3 is sinusoidal, the peaks and the, the knife point part is provided with a chamfer, the end part of the knife body 1 is provided with a knife body chamfer, the chamfer of the knife body 1 is set to be 45 degrees, the highest point and the lowest point of the wave-shaped peak valley of the auxiliary knife edge 3 are in involute transition, and the wave tooth height of the auxiliary knife edge 3 is 1-2 mm.
When the invention works, the cutter body 1 is made of hard alloy material, has high hardness, wear resistance, better strength and toughness and is mainly used for cutting difficult-to-process materials, the front part of the cutter body 1 is provided with the cutter head 2, the cutter head 2 is mainly used for cutting, the cutter head 2 is provided with the main cutting edge, the main cutting edge is arranged along the cylindrical body of the cutter body, the end part of the cutter head 2 is provided with four auxiliary cutting edges 3, the auxiliary cutting edges 3 adopt a wave structure, the auxiliary cutting edges 3 are formed by intersecting an end edge rear cutter face and an end edge front cutter face, the edge shape of the auxiliary cutting edges 3 adopts a wave shape similar to a sine curve, the whole cutting edge can be prevented from participating in cutting, long and thin cutting can be changed into thick and short narrow cutting chips, the actual cutting thickness of the auxiliary cutting edges 3 is increased by three times, the cut narrow and thick chips are reduced in cutting deformation degree, the cutting forming, curling and removing conditions in the milling, the invention processes the rear cutter face of the end blade into a wavy face by a special milling clamp, so that the rear cutter face of the end blade is intersected with the front cutter face of the end blade to form a wavy auxiliary cutter edge 2, the strength of the cutter point is high, the speed of cutting the blank machining allowance of the workpiece can be improved, the invention can have sufficient chip containing space and reliable chip coiling, chip breaking and chip removing performances on the premise of ensuring the rigidity and the strength of the cutter, has light cutting speed, small vibration, smooth chip removal, high metal removal rate, is more suitable for rough milling machining, has simple structure, is scientific and reasonable, can have smaller diameter specification of a milling cutter, and is better for rough machining of a small cavity, the distribution of cutting load is changed, the cutting force of unit area is reduced, the chip separation is good, the workpiece can be cut into more easily, the sliding distance of a cutting edge on the working surface during cutting can be reduced by increasing the cutting thickness of the rear waveform edge, the durability of the cutter is improved, the metal removal rate in the machining process is improved, the machining quality of the workpiece is guaranteed, the service life of the milling cutter is prolonged, the periodicity of cutting force change is greatly reduced, the cutting process is stable, the cutting speed is light and fast, the vibration is small, the chip removal is smooth, the metal removal rate is high, the milling cutter is more suitable for rough milling machining, and the milling cutter is particularly suitable for milling workpieces with rough surfaces such as gas cutting steel plates, and the large-feed cutting is realized.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (9)

1. The utility model provides a wave form sword end mill, including the cutter body, a serial communication port, the cutter body front portion is equipped with the tool bit, be equipped with the main cutting edge on the tool bit, the tool bit tip is equipped with a plurality of vice cutting edge, vice cutting edge adopts wave structure, vice cutting edge is the heliciform, the tool bit tip is equipped with end sword back knife face, end sword back knife face adopts the wave-shaped face, the tool bit tip is equipped with end sword rake face, vice cutting edge is crossed by end sword rake face and end sword back knife face and forms, the sword shape of vice cutting edge is sinusoidal, the peak valley of adjacent vice cutting edge staggers, be equipped with the sword point portion on the tool bit, be equipped with the sword point sword on the sword point portion, knife point sword inclination is 4 degrees, sword point.
2. The wave edge end mill of claim 1 wherein the cutter body diameter is 10 mm.
3. The wave edge end mill of claim 1 wherein the body is 100mm in length.
4. The end mill of claim 1, wherein the body is made of cemented carbide.
5. The wavy edge end mill of claim 1, wherein the primary cutting edges are provided in four.
6. The wave edge end mill according to claim 1, wherein there are four secondary cutting edges.
7. The wavy edge end mill of claim 1, wherein the minor cutting edge has a helix angle of 25 °.
8. The waveform edge end mill according to claim 1, wherein the waveform peak-to-valley highest point and the lowest point of the secondary edge are involute transitions.
9. The wave edge end mill according to claim 1, wherein the minor cutting edge has a tooth height of 1-2 mm.
CN201810329759.2A 2018-04-13 2018-04-13 End milling cutter with wave-shaped edge Active CN108723453B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201810329759.2A CN108723453B (en) 2018-04-13 2018-04-13 End milling cutter with wave-shaped edge

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CN108723453B true CN108723453B (en) 2020-01-10

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110090994B (en) * 2019-05-23 2020-06-19 兰州理工大学 Sectional mixed-edge type cross chip dividing cutter for spiral milling of wing laminated structure

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202143971U (en) * 2011-01-10 2012-02-15 李仕清 Composite-edge spiral milling cutter
CN103357939A (en) * 2012-04-03 2013-10-23 鸿富锦精密工业(深圳)有限公司 Milling cutter
CN103586521A (en) * 2013-11-14 2014-02-19 苏州万一刀具工业有限公司 Four-edge flat-end milling cutter
CN103586522A (en) * 2013-11-14 2014-02-19 苏州万一刀具工业有限公司 Three-edge flat bottomed milling cutter for plastics
CN105228780A (en) * 2013-05-28 2016-01-06 伊斯卡有限公司 There is the rotary cutting tool of point bits device of two, band fork groove
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

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11216609A (en) * 1998-01-30 1999-08-10 Hitachi Tool Eng Ltd Radius cutter end mill

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202143971U (en) * 2011-01-10 2012-02-15 李仕清 Composite-edge spiral milling cutter
CN103357939A (en) * 2012-04-03 2013-10-23 鸿富锦精密工业(深圳)有限公司 Milling cutter
CN105228780A (en) * 2013-05-28 2016-01-06 伊斯卡有限公司 There is the rotary cutting tool of point bits device of two, band fork groove
CN103586521A (en) * 2013-11-14 2014-02-19 苏州万一刀具工业有限公司 Four-edge flat-end milling cutter
CN103586522A (en) * 2013-11-14 2014-02-19 苏州万一刀具工业有限公司 Three-edge flat bottomed milling cutter for plastics
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

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Effective date of registration: 20210326

Address after: Room 10405, unit 1, building 1, meicuo, No. 491, Zhangba North Road, east of Fenghui canal, Yanta District, Xi'an City, Shaanxi Province, 710077

Patentee after: Xi'an anda Electromechanical Technology Co.,Ltd.

Address before: 710021 No. 2 Xuefu Road, Weiyang District, Xi'an, Shaanxi

Patentee before: XI'AN TECHNOLOGICAL University

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