CN101829803A - Milling cutter and milling molding method using same - Google Patents

Milling cutter and milling molding method using same Download PDF

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Publication number
CN101829803A
CN101829803A CN200910300832A CN200910300832A CN101829803A CN 101829803 A CN101829803 A CN 101829803A CN 200910300832 A CN200910300832 A CN 200910300832A CN 200910300832 A CN200910300832 A CN 200910300832A CN 101829803 A CN101829803 A CN 101829803A
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CN
China
Prior art keywords
cutting portion
milling
cutter
milling cutter
cutting
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Pending
Application number
CN200910300832A
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Chinese (zh)
Inventor
徐龙
徐文武
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Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
Original Assignee
Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
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Application filed by Hongfujin Precision Industry Shenzhen Co Ltd, Hon Hai Precision Industry Co Ltd filed Critical Hongfujin Precision Industry Shenzhen Co Ltd
Priority to CN200910300832A priority Critical patent/CN101829803A/en
Publication of CN101829803A publication Critical patent/CN101829803A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a milling cutter, which comprises a cutter body and a first cutting part and a second cutting part which are formed on the cutter body, wherein the first and second cutting parts are alternatively arranged in the rotation direction of the cutter body, and the cutting radius of the first cutting part is greater than that of the second cutting part. The cutting radius of the first cutting part of the milling cutter is greater than that of the second cutting part, so that the second cutting part can perform the half finish-milling processing or the rough-milling processing first and then the first cutting part cuts the area which is processed by the second cutting part to realize the finish-milling processing. Thus, the surface quality of a processed surface is improved. The invention also provides a milling molding method by using the milling cutter, and the processed surface with a high quality can be obtained by just one process when the method is used.

Description

Milling cutter and adopt the milling forming method of this milling cutter
Technical field
The present invention relates to a kind of milling cutter and adopt this milling cutter to carry out the forming method of Milling Process.
Background technology
When workpiece is carried out Milling Process, obtain higher surface quality for making workpiece, need usually through rough milling, half finish-milling and three process segments of finish-milling.Wherein, the stage of rough milling usually adopts bigger cutting output and slower feed speed to remove most allowance.Half finish-milling and finish-milling are meant that it generally adopts the less amount of feeding and bigger feed speed to carrying out fine finishining or back processing through rough milling the rough surface that processing obtains, with the purpose of the roughness that reaches the reduction surface of the work.Yet, above-mentioned milling method needs through multiple working procedure and adopts different milling cutters to process respectively, after finishing a procedure, need tool changing and carry out tool setting again to determine working origin, so will expend more man-hour, and cause working (machining) efficiency to hang down and also need take more manpower and plant equipment.
Summary of the invention
In view of foregoing, be necessary to provide a kind of through time processing can finish half finish-milling, finish-milling processing or rough mill, finish-milling processing and can make workpiece obtain the milling cutter of higher surface quality and the milling forming method that utilizes this milling cutter to process.
A kind of milling cutter, first cutting portion and second cutting portion that it comprises cutter hub and is formed at cutter hub, first cutting portion and second cutting portion alternately are provided with on the direction of rotation of cutter hub, and the radius of clean-up of first cutting portion is greater than the radius of clean-up of second cutting portion.
A kind of milling forming method, it may further comprise the steps: above-mentioned milling cutter is provided; Rotate this milling cutter and along default machining path feed, this first cutting portion and second cutting portion are meshed with workpiece, wherein first cutting portion cuts in the zone of cutting the cutting of second cutting portion in advance once more.
First cutting portion of above-mentioned milling cutter is arranged alternately with second cutting portion and has different radiuss of clean-up, when workpiece is carried out machining, second cutting portion can carry out the processing of half finish-milling earlier or rough mill processing, first cutting portion is located at after this second cutting portion of in advance processing, the cutting edge of first cutting portion can be meshed with surface of the work on a deep degree of depth, thereby can cut once more in the finished zone of second cutting portion, to realize finish-milling processing and to make workpiece obtain improved surface quality.Utilize milling cutter of the present invention and milling forming method, only can obtain to have the finished surface of high surface quality, also can improve working (machining) efficiency, save human cost and equipment by a procedure.
Description of drawings
Fig. 1 is the stereogram of the milling cutter of the embodiment of the invention.
Fig. 2 is the front end face view of milling cutter shown in Figure 1.
Fig. 3 is the view that is meshed with workpiece when utilizing milling cutter shown in Figure 1 to carry out the milling moulding.
The specific embodiment
Below in conjunction with drawings and Examples to milling cutter of the present invention and adopt the milling forming method of this milling cutter to be described in further detail.
Please in the lump referring to Fig. 1 and Fig. 2, the milling cutter 100 of the embodiment of the invention comprises cutter hub 11, cutting portion 12 and handle of a knife 13.
Cutter hub 11 is roughly cylinder, and it has central axis a.Central axis a with cutter hub 11 when milling cutter 100 carries out Milling Process is that rotating shaft is rotated.Cutter hub 11 comprises front end 112 and rear end 114, and cutting portion 12 is formed at front end 112, and handle of a knife 13 is formed at rear end 114.
Handle of a knife 13 can be the staight shank form, also can be the taper shank form, its be used to add man-hour convenient with milling cutter 100 clampings to control device, on main shaft of numerical control machine tool, to keep adding milling cutter 100 stability in man-hour.
Cutting portion 12 comprises 121,122,123 and three second cutting portions 124,125,126 of three first cutting portions.The radius of clean-up of first cutting portion 121,122,123 is bigger than the radius of clean-up of second cutting portion 124,125,126.For example: in Fig. 2, the radius of clean-up of first cutting portion 121 is R1, and the radius of clean-up of second cutting portion 126 is R2, and R1 is a bit larger tham R2.Wherein, second cutting portion 124,125,126 is used to carry out the processing of half finish-milling or rough mills processing, and first cutting portion 121,122,123 is used to carry out finish-milling processing.
On the end view of milling cutter 100,121,122,123 and three second cutting portions 124,125,126 of three first cutting portions alternately are provided with i.e. one first cutting portion and one second adjacent setting of cutting portion on the end face of cutter hub 11 is circumferential.In the present embodiment, on the direction of rotation of milling cutter 100, be among Fig. 2 on the direction shown in the arrow, first cutting portion 121,122,123 and second cutting portion 124,125,126 along circumferential etc. every setting, promptly from the end face of milling cutter 100, first adjacent cutting portion and the angle between second cutting portion are approximately 60 degree.
As preferable a kind of scheme, when the difference of the radius of clean-up of first cutting portion 121,122,123 and second cutting portion 124,125,126 should be carried out Milling Process greater than milling cutter 100 2 times of every sword bite.Specifically in the present embodiment, the radius of clean-up span of first cutting portion 121,122,123 is 3.981 millimeters to 3.985 millimeters, and the radius of clean-up span of second cutting portion 124,125,126 is 3.932 millimeters to 3.937 millimeters.The radius of clean-up of the milling cutter 100 of present embodiment is less, and the parts that it can be less to size carry out Milling Process such as shell of portable electron device etc.
First cutting portion 121,122,123 comprise respectively front end 112 end faces that are arranged at cutter hub 11 end sword 121a, 122a, 123a and with above-mentioned all sword 121b, 122b, the 123b that respectively holds the corresponding connection of sword.Second cutting portion 124,125,126 comprise respectively front end 112 end faces that are arranged at cutter hub 11 end sword 124a, 125a, 126a and with above-mentioned all sword 124b, 125b, the 126b that respectively holds the corresponding connection of sword.The above-mentioned end face of respectively holding the front end 112 that sword all is formed at cutter hub 11, and be straight tooth shape formula.Above-mentioned each all sword is that extend twist at the center with the central axis a of cutter hub 11 all.The surface that above-mentioned each all sword is processed to form is vertical mutually with the surface that each end sword is processed to form.Also be formed with spirality chip pocket 151 between each first cutting portion and adjacent with it second cutting portion, discharge smear metal and efficiently radiates heat when being beneficial to Milling Process.
Above-mentioned first cutting portion 121,122,123 and second cutting portion 124,125,126 are all one-body molded with cutter hub 11, thereby the structure of milling cutter 100 is comparatively compact, help to realize the miniaturization design of milling cutter 100, thereby satisfy the machining requirement of small size parts.
Milling cutter 100 can select suitable material to make according to its purposes.Generally speaking, preferable material is intensity and toughness all carbide alloy and high-speed steel preferably.In addition, also can be by forming various dura maters to improve the cutting ability of milling cutter 100 on cutter hub 11 surfaces.Purposes according to milling cutter 100 can adopt titanium carbide (TiC), TiAlN (AlTiN), TiAlN (TiAlN) or TiCN dura maters such as (TiCN).
Below describing in detail utilizes milling cutter of the present invention to carry out the method for milling moulding.
Figure 3 shows that utilizing milling cutter 100 to carry out side milling adds the view that be meshed with workpiece 200 man-hour.Adopt above-mentioned milling cutter 100 to carry out Milling Process, can be only through processing at one time the processing of half finish-milling and finish-milling or rough milling with finish-milling and process.The method of utilizing 100 pairs of workpiece of milling cutter 200 of the embodiment of the invention to carry out Milling Process comprises following basic step:
(1) provides above-mentioned milling cutter 100, and milling cutter 100 is clamped on the control device, on the main shaft such as plain-milling machine or CNC milling machine.Preferable selection provides CNC milling machine and milling cutter 100 is clamped on the main shaft of CNC milling machine.
(2) workpiece 200 is clamped in the workbench of milling machine, and mobile milling cutter 100 carries out tool setting, to determine the position of milling cutter 100 in workpiece coordinate system.
(3) control device drives milling cutter 100 rotations and along default machining path workpiece 200 is carried out Milling Process.Second cutting portion 124,125,126 successively is meshed with workpiece 200 and carries out the processing of half finish-milling or rough mill processing, and first cutting portion 121,122,123 successively is meshed with workpiece 200 and carries out finish-milling processing.Wherein, the surface 215 that processes of each all sword of first cutting portion 121,122,123 and second cutting portion 124,125,126 is vertical mutually with the bottom surface (figure does not show) that each end sword processes.
Specifically in step (3), milling cutter 100 turns clockwise around the central axis a of its cutter hub 11 on the one hand, and along the direction that is parallel to the side of workpiece 200, promptly direction shown in the horizontal arrow is done straight-line feed among Fig. 3 on the other hand.The machining path of milling cutter 100 can carry out pre-programmed such as CNC milling machine and set, and it is stored in controller or the personal control by to control device.Certainly, the mode that milling cutter 100 control Scheme Selection is also comprised manual control.
Below be illustrated with first cutting portion 121 and second cutting portion 126 concrete condition that to be example carry out Milling Process to first cutting portion 121,122,123 and second cutting portion 124,125,126.
When milling cutter 100 carried out Milling Process, because of the radius of clean-up of first cutting portion 121 is bigger than the radius of clean-up of second cutting portion 126, thereby first cutting portion 121 had bigger cutting depth.Cut at second cutting portion 126 on the surface 214 of formation in advance, first cutting portion 121 will cut once more to form surface 212, the surplus of its cutting is the difference of the radius of clean-up of first cutting portion 121 and second cutting portion 126, thereby can effectively improve the surface quality of the rough surface 214 of second cutting portion, 124 cutting workpieces, 200 formation by the cutting once more of first cutting portion 121, with the requirement of the roughness of the machined surface that satisfies workpiece 200, can also eliminate the outstanding or striped (figure does not show) that the interruption that is formed by second cutting portion 126 that causes because of cutting vibration occurs on workpiece surface 214.
First cutting portion 122,123 and second cutting portion 124,125 that workpiece 200 is carried out the processing mode of the mode of Milling Process and first cutting portion 121 and second cutting portion 126 is identical.
Specifically in the present embodiment, the material of workpiece 200 is an aluminium, and the span of the rotating speed of milling cutter 100 is 6000 rev/mins to 10000 rev/mins, and the span that every sword bite of each all sword is is 0.0012 millimeter to 0.0016 millimeter.When the speed setting of milling cutter 100 is 8000 rev/mins, when every sword bite was set at 0.0014 millimeter, the mean value of the roughness of the surface of the work that first cutting portion 121 of milling cutter 100 and each all sword of second cutting portion 126 are processed to form can be less than 0.97 micron.
With reference to above-mentioned forming method, the milling cutter 100 that adopts the single embodiment of the invention only can be finished through a procedure and rough mill processing and finish-milling processing or the processing of half finish-milling and finish-milling and process, and makes the higher surface quality of finished surface acquisition.Utilize milling cutter of the present invention and forming method can avoid tool changing or clamping workpiece again, reduce therefore spent man-hour, working (machining) efficiency is provided, and can avoid the error accumulation that causes because of tool setting again, improved machining accuracy.
Be appreciated that, first cutting portion of milling cutter of the present invention and the quantity of second cutting portion are not subjected to the restriction of present embodiment, such as, the quantity of first cutting portion and second cutting portion can also be 2,4 or 8, can select according to the actual size of cutter and the manufacture difficulty of cutter itself.Certainly, each cutting edge upwards also can the unequal interval setting in week of cutter hub direction of rotation, and the concrete tooth shape of cutting edge can carry out corresponding change according to the surface configuration that the required processing of workpiece obtains.
In addition, those skilled in the art also can do other variation in spirit of the present invention, and certainly, the variation that these are done according to spirit of the present invention all should be included in the present invention's scope required for protection.

Claims (9)

1. milling cutter, first cutting portion that it comprises cutter hub and is formed at this cutter hub, it is characterized in that: this milling cutter also comprises second cutting portion that is formed at cutter hub, this first cutting portion and second cutting portion alternately are provided with on the direction of rotation of this cutter hub, and the radius of clean-up of this first cutting portion is greater than the radius of clean-up of this second cutting portion.
2. milling cutter as claimed in claim 1 is characterized in that: the rotation that this first cutting portion and second cutting portion include with cutter hub is the center Zhou Ren of shape extension in the shape of a spiral.
3. milling cutter as claimed in claim 2 is characterized in that: an end of this each bar week sword connection sword, and this end tooth shape is formed in the end face of this cutter hub.
4. milling cutter as claimed in claim 2 is characterized in that: the difference of the radius of clean-up of the radius of clean-up of this first cutting portion and this second cutting portion is more than or equal to 2 times of every sword bite of this Zhou Ren.
5. milling cutter as claimed in claim 1 is characterized in that: the quantity of this first cutting portion and second cutting portion is three, and this first cutting portion and the circumferentially uniformly-spaced setting of second cutting portion edge on the direction of rotation of this cutter hub.
6. milling cutter as claimed in claim 1 is characterized in that: the span of the radius of clean-up of this first cutting portion is 3.981 to 3.985 millimeters, and the span of the radius of clean-up of this second cutting portion is 3.932 millimeters to 3.937 millimeters.
7. milling cutter as claimed in claim 1 is characterized in that: this milling cutter is made by carbide alloy or high-speed steel, and its surface is formed with dura mater, and this dura mater is a kind of in titanium carbide, TiAlN, TiAlN or the TiCN.
8. milling forming method, it may further comprise the steps:
Provide as any described milling cutter of claim 1 to 7;
Rotate this milling cutter and along default machining path feed, this first cutting portion and second cutting portion are meshed with workpiece, wherein first cutting portion cuts in the zone of cutting second cutting portion in advance once more.
9. milling forming method as claimed in claim 8 is characterized in that: utilize this first cutting portion to carry out finish-milling processing, utilize this second cutting portion to carry out the processing of half finish-milling.
CN200910300832A 2009-03-13 2009-03-13 Milling cutter and milling molding method using same Pending CN101829803A (en)

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Application Number Priority Date Filing Date Title
CN200910300832A CN101829803A (en) 2009-03-13 2009-03-13 Milling cutter and milling molding method using same

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Application Number Priority Date Filing Date Title
CN200910300832A CN101829803A (en) 2009-03-13 2009-03-13 Milling cutter and milling molding method using same

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CN101829803A true CN101829803A (en) 2010-09-15

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102266974A (en) * 2011-07-28 2011-12-07 锑玛(苏州)精密工具有限公司 Coarse and fine integrated milling cutter
CN102615324A (en) * 2011-01-28 2012-08-01 鸿富锦精密工业(深圳)有限公司 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
CN104028821A (en) * 2013-03-05 2014-09-10 奥古斯特吕格贝格有限及两合公司 Arc rod milling cutter
CN104493274A (en) * 2014-12-24 2015-04-08 王友群 Formed milling cutter and milling forming method using same
CN104797367A (en) * 2012-10-10 2015-07-22 锻工金属切割系统有限公司 Machining tool for machining purposes and method for repairing a component of fibre-reinforced plastics
CN108672779A (en) * 2018-06-07 2018-10-19 三砥新材(深圳)有限公司 milling cutter for processing graphite workpiece
CN113500237A (en) * 2021-07-15 2021-10-15 江门市中刀精密科技有限公司 Long-service-life coating milling cutter for machining titanium alloy parts of aircraft engines

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001212711A (en) * 2000-02-03 2001-08-07 Hitachi Tool Engineering Ltd Formed milling cutter for rough cutting
CN2488629Y (en) * 2001-07-11 2002-05-01 郑黄铮 End-milling cutter capable of regenerating and reusing for cutting printed circuit board
CN2925711Y (en) * 2006-06-30 2007-07-25 震虎精密科技股份有限公司 Milling cutter with double-layer milling effect
JP2008155291A (en) * 2006-12-21 2008-07-10 Mitsubishi Electric Corp Square end mill and its manufacturing method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001212711A (en) * 2000-02-03 2001-08-07 Hitachi Tool Engineering Ltd Formed milling cutter for rough cutting
CN2488629Y (en) * 2001-07-11 2002-05-01 郑黄铮 End-milling cutter capable of regenerating and reusing for cutting printed circuit board
CN2925711Y (en) * 2006-06-30 2007-07-25 震虎精密科技股份有限公司 Milling cutter with double-layer milling effect
JP2008155291A (en) * 2006-12-21 2008-07-10 Mitsubishi Electric Corp Square end mill and its manufacturing method

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102615324A (en) * 2011-01-28 2012-08-01 鸿富锦精密工业(深圳)有限公司 Milling cutter
US8657538B2 (en) 2011-01-28 2014-02-25 Hong Fu Precision Industry (ShenZhen) Co., Ltd Milling cutter
CN102266974A (en) * 2011-07-28 2011-12-07 锑玛(苏州)精密工具有限公司 Coarse and fine integrated 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
CN104797367A (en) * 2012-10-10 2015-07-22 锻工金属切割系统有限公司 Machining tool for machining purposes and method for repairing a component of fibre-reinforced plastics
CN104797367B (en) * 2012-10-10 2017-06-06 锻工金属切割系统有限公司 Cutting tool and method for separating the component for processing the component being made up of fiber-reinforced plastic
CN104028821A (en) * 2013-03-05 2014-09-10 奥古斯特吕格贝格有限及两合公司 Arc rod milling cutter
CN104493274A (en) * 2014-12-24 2015-04-08 王友群 Formed milling cutter and milling forming method using same
CN108672779A (en) * 2018-06-07 2018-10-19 三砥新材(深圳)有限公司 milling cutter for processing graphite workpiece
CN113500237A (en) * 2021-07-15 2021-10-15 江门市中刀精密科技有限公司 Long-service-life coating milling cutter for machining titanium alloy parts of aircraft engines

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Application publication date: 20100915