CN100571968C - The processing method of spiral grooved-sided hobbing rear waved edge - Google Patents
The processing method of spiral grooved-sided hobbing rear waved edge Download PDFInfo
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- CN100571968C CN100571968C CNB2005101305578A CN200510130557A CN100571968C CN 100571968 C CN100571968 C CN 100571968C CN B2005101305578 A CNB2005101305578 A CN B2005101305578A CN 200510130557 A CN200510130557 A CN 200510130557A CN 100571968 C CN100571968 C CN 100571968C
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Abstract
The invention belongs to the cutter manufacturing technology, relate to improvement rear wave-blade profile milling process.Operating procedure of the present invention is: the fabrication and installation master plate, the trimming wheel profile is provided with change gear, with work piece clamping location, tool setting, grinding.The inventive method has realized using common machine for making gear teeth processing helicla flute rear wave-blade profile milling cutter.
Description
Technical field
The invention belongs to the cutter manufacturing technology, relate to improvement rear wave-blade profile milling process.
Background technology
When the part of machining large face, if adopt the milling cutter processing of common profile,, can produce very big resistance to cutting in the process because the contact area of milling cutter and part to be processed is too big, the vibration that this drag causes can't guarantee the machining accuracy of part.This improper process also easily causes the cracked of milling cutter, even can't carry out machining.Therefore, when the part of machining large face or difficult-to-machine material, often adopt rear wave-blade profile milling cutter.This moment has been owing to reduced the contact area of milling cutter and part to be processed, makes stable cutting, is easy to guarantee the machining accuracy of part.For the rear wave-blade milling cutter of simple profile, as: tapering rear wave-blade milling cutter, because profile is simple,, also can on numerical control tool grinder, process so both can on common machine for making gear teeth, process.But for the rear wave-blade milling cutter of profile complexity, have following difficult point to need to solve during manufacturing: a, because the milling cutter external diameter has profile need make the axial running orbit of relief grinding wheel consistent with the profile of milling cutter during the relief grinding rear wave-blade.B, do not destroy the rotation profile of milling cutter in the time that the relief grinding rear wave-blade must being guaranteed.C, the necessary influence of eliminating milling cutter profile and helical angle and anterior angle to the relief grinding rear wave-blade.Owing to do not solve above-mentioned three difficult problems, the rear wave-blade profile milling cutter of Zhi Zaoing can not meet the requirement of design drawing always fully in the past.
Summary of the invention
The objective of the invention is: the method that proposes a kind of available common machine for making gear teeth processing helicla flute rear wave-blade profile milling cutter.
Technical scheme of the present invention is: the processing method of spiral grooved-sided hobbing rear waved edge, and use machine for making gear teeth and relief grinding wheel to process, it is characterized in that its operating process is as follows:
1, makes master plate according to processed milling cutter profile, attach it to the corresponding site of machine for making gear teeth;
2, the relief grinding wheel profile of finishing machine for making gear teeth;
Manufacture the forklift cutter by the rear wave-blade flute profile, wherein lathe tool top R is R at the bottom of the rear wave-blade tooth
The end, half rear wave-blade tooth top R of the slick and sly switching in R both sides, top
The topAnd it is tangent with a degree face, this degree face be with the forklift cutter profile axis of symmetry serve as axle respectively clockwise and be rotated counterclockwise the degree face of 85 ° of formation, degree face length degree 2 ± 1mm, the lathe tool width is S+4mm, S is the rear wave-blade tooth pitch, with forklift cutter car polishing wheel, with the polishing wheel relief grinding wheel profile is extruded then;
3, change gear is set;
Machined parameters is as follows: establishing cutter tooth number is Z, and helical angle is β, and the average diameter of processed milling cutter is D, and the rear wave-blade tooth pitch is S, and then: relief grinder pitch change gear is pressed S and calculated, and differential hanging gear is pressed β and D and Z and calculated, and by result of calculation change gear is set;
4, according to the direction of displacement of rear wave-blade, machine slide is pressed the opposite rotation direction of rear wave-blade change certain angle τ, to guarantee that the rear wave-blade profile of tooth is annular arrangement;
Determining of slide carriage direction of rotation: if rear wave-blade moves to right, then slide carriage is by being rotated counterclockwise; If rear wave-blade moves to left, then slide carriage is by turning clockwise, and anglec of rotation τ is calculated as follows: τ=tg
-1(S/ π D); The K value that should add big cam simultaneously, its actual K value is: K
Actual=K
Theoretical/ COS τ;
5, with processed milling cutter clamping location;
6, tool setting;
6.1, the position of coarse adjustment master plate; Empty feed, the relative position of the relative position of visual adjustment master plate and processed milling cutter or relief grinding wheel and processed milling cutter makes any point and the corresponding points on the master plate on the milling cutter cutting edge keep roughly synchronous at the axial direction of lathe;
6.2, determine the relief grinding wheel original position: start lathe relief grinding wheel moved to switching place or the platform and the degree face switching place tool setting of two arc radius of processed milling cutter profile, then relief grinding wheel is turned back to outside the end face of processed milling cutter;
6.3, the checking master plate the position: start lathe and carry out micro-grinding, take off processed milling cutter then and carry out the projection detection, find out master plate and processed milling cutter profile synchronous error, readjust the relative position of master plate or relief grinding wheel and processed milling cutter at the axial direction of lathe;
6.4, repeating step 6.2 and 6.3, be not more than 0.05mm up to any point on the milling cutter cutting edge and the corresponding points on the master plate in the axial direction synchronous error of lathe, and till judging that processed milling cutter profile is not destroyed;
7, start lathe and roughly grind processing: the relief grinding wheel depth of cut is 0.1～0.3mm during corase grind, in this process, detect processed milling cutter profile, guarantee that any point and the corresponding points on the master plate on the milling cutter cutting edge are not destroyed in the synchronous and processed milling cutter profile of the axial direction of lathe with projecting apparatus;
8, start lathe and finish grind processing: the relief grinding wheel depth of cut is 0.02～0.05mm during correct grinding.
Advantage of the present invention is: the inventive method can make the influence to the relief grinding rear wave-blade of the axial running orbit of relief grinding wheel and milling cutter profile and helical angle and anterior angle; Realized using common machine for making gear teeth processing helicla flute rear wave-blade profile milling cutter.
Description of drawings
Fig. 1 is processed a kind of concrete helicla flute rear wave-blade profile milling cutter profile schematic diagram, wherein: double dot dash line is a milling cutter rotation profile, solid line is the cutting edge molded lines of a certain tooth of milling cutter, when the dash area of beating hatching is the relief grinding rear wave-blade, if any point on the milling cutter cutting edge and the corresponding points on the master plate are asynchronous at the axial direction of lathe, ruined part milling cutter rotation profile.R
1And R
2, R
3It is the switching circular arc in the milling cutter profile.α is platform and a degree face angle in the horizontal direction in the milling cutter profile.
Fig. 2 is the forklift cutter profile figure that finishing relief grinding wheel profile is used.Wherein: S is the rear wave-blade tooth pitch, R
The endBe R at the bottom of the rear wave-blade tooth, R
The topBe rear wave-blade tooth top R, 5 ° of degree faces and both sides R
The topTangent, (S+4) be the lathe tool width.
The specific embodiment
Below the present invention is described in further details.The inventive method uses machine for making gear teeth and emery wheel to process, and its operating process is as follows:
1, makes master plate according to processed milling cutter profile, attach it to the corresponding site of machine for making gear teeth.
2, the emery wheel profile of finishing machine for making gear teeth.
Manufacture the forklift cutter by the rear wave-blade flute profile, wherein lathe tool top R is R at the bottom of the rear wave-blade tooth
The end, half rear wave-blade tooth top R of the slick and sly switching in R both sides, top
The topAnd with once face was tangent, this degree face for the forklift cutter profile axis of symmetry serve as axle respectively clockwise and be rotated counterclockwise the degree face of 85 ° of formation, the about 2 ± 1mm of degree face length degree, the lathe tool width is (S+4) mm.With forklift cutter car polishing wheel, with the polishing wheel relief grinding wheel profile is extruded then.Forklift cutter profile is seen accompanying drawing 2.
3, change gear is set: machined parameters is as follows: establishing cutter tooth number is Z, and helical angle is β, and the average diameter of processed milling cutter is D, and the rear wave-blade tooth pitch is S, and then: relief grinder pitch change gear is pressed S and calculated, and differential hanging gear is pressed β and D and Z and calculated, and by result of calculation change gear is set.
4, according to the direction of displacement of rear wave-blade, machine slide is pressed the opposite rotation direction of rear wave-blade change certain angle τ, to guarantee that the rear wave-blade profile of tooth is annular arrangement.Determining of slide carriage direction of rotation: if rear wave-blade moves to right, then slide carriage is by being rotated counterclockwise; If rear wave-blade moves to left, then slide carriage is by turning clockwise.Anglec of rotation τ is calculated as follows: τ=tg
-1(S/ π D).The K value that should add big cam simultaneously, its actual K value is: K
Actual=K
Theoretical/ COS τ.
5, processed milling cutter is used top clamping location.
6, tool setting: install master plate and device thereof, after setting change gear, also to debug the relative position of master plate and milling cutter, that is: any point and the corresponding points on the master plate on the milling cutter cutting edge are kept synchronously at the axial direction of lathe, like this, when the emery wheel bistrique by contact pin when master plate is advanced, the corresponding position that emery wheel can the grinding milling cutter guarantees that the axial running orbit of relief grinding wheel is consistent with the milling cutter profile.For the complex profile milling cutter,, then when the processing rear wave-blade, will destroy the rotation profile of milling cutter if do not note the relative position of master plate and milling cutter profile.If the rear wave-blade that processes as shown in Figure 1, then the rotation profile of milling cutter just may be cut a part, and promptly the dash area among Fig. 1 causes waste product.Therefore, when the processing rear wave-blade, guarantee that the relative position of relief grinding wheel and milling cutter profile is correct by tool setting.The tool setting step is:
6.1, the position of coarse adjustment master plate: the relative position of visual adjustment master plate and processed milling cutter makes any point and the corresponding points on the master plate on the milling cutter cutting edge keep roughly synchronous at the axial direction of lathe.Specific practice is: by the method for operator with range estimation, by observing the position (empty feed) of emery wheel feed grinding, adjust the relative position of milling cutter and relief grinding wheel repeatedly, find a correct position, tentatively determine the relative position of master plate and milling cutter profile.
6.2, determine the emery wheel original position: start lathe with grinding wheel movement to switching place or platform and the degree face switching place tool setting of two R of processed milling cutter profile, emery wheel is turned back to outside the end face of processed milling cutter then.
6.3, the checking master plate the position: start lathe and carry out micro-grinding (milling cutter gets final product in the emery wheel grinding just).Take off processed milling cutter then and carry out the projection detection, find out master plate and processed milling cutter profile axial direction synchronous error, readjust the relative position of master plate or relief grinding wheel and processed milling cutter at lathe.
6.4, repeating step 6.2 and 6.3, up to any point on the milling cutter cutting edge and the corresponding points on the master plate till the axial direction synchronous error of lathe is not more than 0.05mm and judges that processed milling cutter profile is not destroyed.
7, start lathe and roughly grind processing: the emery wheel depth of cut is 0.1～0.3mm during corase grind, and the correct grinding depth of cut is 0.02～0.05mm.Available projector detects processed several times milling cutter profile in this process, guarantees that any point and the corresponding points on the master plate on the milling cutter cutting edge are not destroyed synchronously and in the successional milling cutter rotation profile that guarantees simultaneously of assurance rear wave-blade at the axial direction of lathe.
8, start lathe and finish grind processing: the emery wheel depth of cut is 0.02～0.05mm during correct grinding.
Embodiment
Example 1:
Cutter tooth number Z=16, helixangle=25 °, the average diameter D=142.94 of processed milling cutter, cutter tooth back-off amount K=6.Rear wave-blade moves to right, tooth pitch S=8, R is R1.8 at the bottom of the rear wave-blade tooth, tooth top R is R2.5, adjacent cutter tooth rear wave-blade along cutter spindle to the 0.5mm that interlaces,
Operating procedure:
1, makes master plate according to processed milling cutter profile, attach it to the corresponding site of machine for making gear teeth.
2, the emery wheel profile of finishing machine for making gear teeth.
Manufacture the forklift cutter by the rear wave-blade flute profile, wherein lathe tool top R is R at the bottom of the rear wave-blade tooth
The end, half rear wave-blade tooth top R of the slick and sly switching in R both sides, top
The topAnd with once face was tangent, this degree face for the forklift cutter profile axis of symmetry serve as axle respectively clockwise and be rotated counterclockwise the degree face of 85 ° of formation, the about 2mm of degree face length degree, the lathe tool width is (S+4).With forklift cutter car polishing wheel, with the polishing wheel relief grinding wheel profile is extruded then.
3, change gear is set:
Relief grinder pitch change gear I
1=80/100
Relief grinder differential hanging gear I
2=51 * 60/62 * 39
4, according to the direction of displacement of rear wave-blade, machine slide is pressed the opposite rotation direction of rear wave-blade change certain angle τ, to guarantee that the rear wave-blade profile of tooth is annular arrangement.
Machine slide is rotated counterclockwise, anglec of rotation τ=1 °
Actual K value is: K
Actual=6.
5, with processed milling cutter clamping two top of machine for making gear teeth.
6, tool setting:
6.1, the position of coarse adjustment master plate: by the method for operator with range estimation, by observing the position (empty feed) of emery wheel feed grinding, adjust the relative position of relief grinding wheel and milling cutter repeatedly, find a correct position, tentatively determine the relative position of master plate and milling cutter profile.
6.2, determine the emery wheel original position: start lathe with grinding wheel movement to processed milling cutter profile platform and degree face switching place tool setting, emery wheel is turned back to outside the end face of processed milling cutter then.
6.3, the checking master plate the position: start lathe and carry out micro-grinding (milling cutter gets final product in the emery wheel grinding just).Take off processed milling cutter then and carry out the projection detection, find out master plate and processed milling cutter profile axial direction synchronous error, readjust the relative position of master plate or relief grinding wheel and processed milling cutter at lathe.
6.4, repeating step 6.2 and 6.3, up to any point on the milling cutter cutting edge and the corresponding points on the master plate till the axial direction synchronous error of lathe is not more than 0.05mm and judges that processed milling cutter profile is not destroyed.
7, start lathe and roughly grind processing: the emery wheel depth of cut is 0.2mm during corase grind, available projector detects processed several times milling cutter profile in this process, guarantees that any point and the corresponding points on the master plate on the milling cutter cutting edge are not destroyed synchronously and in the successional milling cutter rotation profile that guarantees simultaneously of assurance rear wave-blade at the axial direction of lathe.
8, start lathe and finish grind processing: the emery wheel depth of cut is 0.03mm during correct grinding.
Example 2:
Cutter tooth number Z=16, helixangle=25 °, the average diameter D=132.60 of processed milling cutter, cutter tooth back-off amount K=6.Rear wave-blade moves to right, tooth pitch S=8, R is R1.8 at the bottom of the rear wave-blade tooth, tooth top R is R2.5, adjacent cutter tooth rear wave-blade along cutter spindle to the 0.5mm that interlaces,
Operating procedure:
Change the relief grinder differential hanging gear into I
2=55 * 60/62 * 39, all the other operating procedures are with example 1.
Example 3:
Cutter tooth number Z=16, helixangle=25 °, the average diameter D=146.02 of processed milling cutter, cutter tooth back-off amount K=6.2.Rear wave-blade moves to right, tooth pitch S=8, R is R1.8 at the bottom of the rear wave-blade tooth, tooth top R is R2.5, adjacent cutter tooth rear wave-blade along cutter spindle to the 0.5mm that interlaces,
Operating procedure:
Change the relief grinder differential hanging gear into I
2=50 * 58/60 * 39, actual K value changes into: K
Actual=6.2.All the other operating procedures are with example 1.
Claims (1)
1, the processing method of spiral grooved-sided hobbing rear waved edge uses machine for making gear teeth and relief grinding wheel to process, and it is characterized in that its operating process is as follows:
1.1, make master plate according to processed milling cutter profile, attach it to the corresponding site of machine for making gear teeth;
1.2, the finishing machine for making gear teeth the relief grinding wheel profile;
Manufacture the forklift cutter by the rear wave-blade flute profile, wherein lathe tool top R is R at the bottom of the rear wave-blade tooth
The end, half rear wave-blade tooth top R of the slick and sly switching in R both sides, top
The topAnd it is tangent with a degree face, this degree face be with the forklift cutter profile axis of symmetry serve as axle respectively clockwise and be rotated counterclockwise the degree face of 85 ° of formation, degree face length degree 2 ± 1mm, the lathe tool width is S+4mm, S is the rear wave-blade tooth pitch, with forklift cutter car polishing wheel, with the polishing wheel relief grinding wheel profile is extruded then;
1.3, change gear is set;
Machined parameters is as follows: establishing cutter tooth number is Z, and helical angle is β, and the average diameter of processed milling cutter is D, and the rear wave-blade tooth pitch is S, and then: relief grinder pitch change gear is pressed S and calculated, and differential hanging gear is pressed β and D and Z and calculated, and by result of calculation change gear is set;
1.4, according to the direction of displacement of rear wave-blade, machine slide is pressed the opposite rotation direction of rear wave-blade changes certain angle τ, to guarantee that the rear wave-blade profile of tooth is annular arrangement;
Determining of slide carriage direction of rotation: if rear wave-blade moves to right, then slide carriage is by being rotated counterclockwise; If rear wave-blade moves to left, then slide carriage is by turning clockwise, and anglec of rotation τ is calculated as follows: τ=tg
-1(S/ π D); The K value that should add big cam simultaneously, its actual K value is: K
Actual=K
Theoretical/ COS τ;
1.5, with processed milling cutter clamping location;
1.6, tool setting;
1.6.1, the position of coarse adjustment master plate: empty feed, the relative position of the relative position of visual adjustment master plate and processed milling cutter or relief grinding wheel and processed milling cutter makes any point and the corresponding points on the master plate on the milling cutter cutting edge keep roughly synchronous at the axial direction of lathe;
1.6.2, determine the relief grinding wheel original position: start lathe relief grinding wheel moved to switching place or the platform and the degree face switching place tool setting of two arc radius of processed milling cutter profile, then relief grinding wheel is turned back to outside the end face of processed milling cutter;
1.6.3, the checking master plate the position: start lathe and carry out micro-grinding, take off processed milling cutter then and carry out the projection detection, find out master plate and processed milling cutter profile synchronous error, readjust the relative position of master plate or relief grinding wheel and processed milling cutter at the axial direction of lathe;
1.6.4, repeating step 1.6.2 and 1.6.3, be not more than 0.05mm up to any point on the milling cutter cutting edge and the corresponding points on the master plate in the axial direction synchronous error of lathe, and till judging that processed milling cutter profile is not destroyed;
1.7, start lathe and roughly grind processing: the relief grinding wheel depth of cut is 0.1～0.3mm during corase grind, in this process, detect processed milling cutter profile, guarantee that any point and the corresponding points on the master plate on the milling cutter cutting edge are not destroyed in the synchronous and processed milling cutter profile of the axial direction of lathe with projecting apparatus;
1.8, start lathe and finish grind processing: the relief grinding wheel depth of cut is 0.02～0.05mm during correct grinding.
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| CN101722443B (en) * | 2010-02-04 | 2012-02-01 | 孙效 | Profiling type blade grinding machine |
| CN102248387B (en) * | 2011-06-08 | 2013-04-03 | 西南交通大学 | Method for forming annular end tooth edge line of arc-shaped end tooth vertical mill |
| CN103111820B (en) * | 2013-03-20 | 2014-12-24 | 沈阳飞机工业（集团）有限公司 | Machining technology of tooth profile of milling cutter with wave-shaped cutter edge |
| CN103302570A (en) * | 2013-06-19 | 2013-09-18 | 山西省陵川工具有限责任公司 | Semi-automatic grinding method of screw tap groove |
| CN104690301A (en) * | 2013-12-04 | 2015-06-10 | 铜陵市永生机电制造有限责任公司 | Thread groove turning device for plate |
| CN103769960B (en) * | 2014-01-17 | 2016-03-02 | 华南理工大学 | A kind of manufacture method with the ball cutter of micro-cutting sword array structure |
| CN104096854B (en) * | 2014-07-03 | 2017-01-18 | 佛山市硕普机械有限公司 | Workpiece turning method |
| CN104290035A (en) * | 2014-09-28 | 2015-01-21 | 上海大松瓦楞辊有限公司 | Novel corrugated roller ridge machining and finishing wheel |
| CN110193780B (en) * | 2019-04-30 | 2020-12-08 | 武汉船用机械有限责任公司 | Arc machining method and machining tool |
| CN114770233A (en) * | 2022-05-31 | 2022-07-22 | 西南交通大学 | Grinding wheel track calculation method for numerical control milling cutter spiral groove grinding process |
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Address after: 710021 Xu Jia Bay, Xi'an, Shaanxi, Beijiao Patentee after: AECC AVIATION POWER CO,LTD. Address before: 710021 Xu Jia Bay, Xi'an, Shaanxi, Beijiao Patentee before: AVIC AVIATION ENGINE Corp.,PLC Address after: 710021 Xu Jia Bay, Xi'an, Shaanxi, Beijiao Patentee after: AVIC AVIATION ENGINE Corp.,PLC Address before: 710021 Xu Jia Bay, Xi'an, Shaanxi, Beijiao Patentee before: XI'AN AVIATION POWER Co.,Ltd. |
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