CN102581387A - Method for processing face gear - Google Patents
Method for processing face gear Download PDFInfo
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- CN102581387A CN102581387A CN2012100740577A CN201210074057A CN102581387A CN 102581387 A CN102581387 A CN 102581387A CN 2012100740577 A CN2012100740577 A CN 2012100740577A CN 201210074057 A CN201210074057 A CN 201210074057A CN 102581387 A CN102581387 A CN 102581387A
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- face gear
- gear
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- tooth
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Abstract
The invention discloses a processing method for realizing face gear teeth milling and high-precision teeth grinding by use of a disc cutter on an existing numerically controlled lathe, which is characterized in that a face gear 1 is installed on a working platform of the lathe, an extended grinding wheel set 4 is installed on top of a lathe spindle, the disc cutter 2 is installed on top of the extended grinding wheel set 4; during processing, the face gear 1 rotates around its axis along with a lathe A rotating shaft while swinging with a lathe B rotating shaft, the disc cutter 2 rotates at a high speed around its axis along with the spindle while making a reciprocating feed movement in the radial direction of the face gear; because of the lathe B-shaft travel limitation, a single-face processing way is adopted, a right tooth face of the face gear is processed firstly, after one whole tooth face is processed, the face gear makes an indexing motion to process the next tooth face till the whole right tooth face of the face gear is processed, and then a left tooth face of the face gear 1 is processed on another station till the whole face gear is processed. By using the existing numerically controlled lathe and the disc cutter, the face gear teeth milling and the high-precision teeth grinding can be processed at the same time without additionally designing or manufacturing a face gear special processing lathe, the manufacturing cost is reduced and the development period is shortened greatly.
Description
Technical field
The invention belongs to face gear numerical control gear milling, this field of roll flute processing in the gear manufacturing approach.
Background technology
The face gear drive be meant be meshed roller gear intersect the implementation space with bevel gear or alternating axis between transmission.Compare with bevel gear, the face gear drive has that registration is big, bearing capacity is strong, stability is strong, vibration is little, advantage such as little takes up space.Along with the development of Aero-Space cause, the face gear drive has obtained extensive use in the power set of aircraft, occupies very consequence.
The face gear working method is one of main task of face gear manufacturing, and Chinese scholars has been done a lot of researchs to it in recent years, but the present processing method of opposite gear at home is Gear Shaping mostly; The face accuracy of gear that processes is lower; Bearing capacity is relatively poor, makes the application of face gear can only rest on the occasion of low speed, underloading, can not satisfy the transmission requirement of aviation apparatus; In order to improve the comprehensive transmission performance of face gear, the high accuracy manufacturing of necessary realization face gear.The transmission performance of face gear is further improved; Generally need the opposite gear to heat-treat; And heat treatment will produce the heat expansion distortion to tooth surface of face gear, and the precision of influence surface gear and transmission performance are because tooth face hardness is very high after the heat treatment; Adopt general processing method to be difficult for processing, must study the roll flute processing method could solve.
For the processing of face gear mill teeth and roll flute, domestic still do not have manufacturing approach and make equipment and can realize.In U.S. Patent number US6390894 (B1), designed a kind of gear grinding lathe, this lathe is designed to vertical direction with face gear blank erecting bed; Reduced the rigidity of lathe; Reduced machining accuracy, this machine tool structure is complicated simultaneously, and the machine tool motion axle has ten more than; Increase the difficulty of numerical control control, also increased cost.On the whole, the research of opposite Gear Processing has in recent years obtained certain progress, but the machine tool structure that is designed is complicated, and machining accuracy and production efficiency can not satisfy market demand fully.
This patent has been invented a kind of gear working method; This method is on existing Digit Control Machine Tool; Utilize disk cutter to realize face gear mill teeth and the processing of high accuracy roll flute, can reach the effect of face gear high-precision processing, need not otherwise designed and make face gear special machine bed; Greatly reduce production cost, shortened the construction cycle.
Summary of the invention
The technical problem that this patent solves is: defectives such as, transmission performance difference low to Gear Processing precision above the market, invented on existing Digit Control Machine Tool, and utilize disk cutter to realize the processing method of face gear mill teeth and high accuracy roll flute.This method simultaneously face gear that carries out after mill teeth and the heat treatment of opposite gear is carried out roll flute processing, and the thick fine finishining of realization opposite gear reduces cost in one.
The face gear working method of this patent invention, it is characterized in that: face gear 1 is installed on the workbench of lathe, and lengthening grinding wheel stand 4 is installed on the machine tool chief axis top, and disk cutter 2 is installed on lengthening grinding wheel stand 4 tops.In process, around self axis rotation, face gear 1 is with lathe B rotation axis oscillating simultaneously with lathe A rotating shaft for face gear 1.Disk cutter 2 rotates at a high speed around self axis with main shaft, and disk cutter 2 radially comes and goes feed motion at the face gear simultaneously.After processing a complete flank of tooth, the face gear carries out dividing movement, to process the next flank of tooth, up to processing whole tooth surface of face gear.
In process, for fear of face gear 1 and the collision of lathe Y axle, designed lengthening grinding wheel stand 4 and be installed on the machine tool chief axis top, again disk cutter 2 is installed on lengthening grinding wheel stand 4 tops, and the length of lengthening grinding wheel stand 4 should be greater than the exradius of face gear 1.
Engagement rule by between face gear 1, disk cutter 2 and the spur gear 3 can be known, reach the accurate face gear-profile of creating into, and the axial cross section profile of the disk cutter 2 that is utilized should be identical with the axial profile of spur gear 3.In process, face gear 1 is constant with lathe A rotating shaft around the rotation of self axis with the rotating ratio of lathe B rotation axis oscillating, and
N wherein
cWith N
fBe respectively the number of teeth of spur gear 3 and face gear 1.
In process, face gear 1 is whenever around small angle of B rotation axis oscillating, disk cutter 2 just face gear 1 radially carry out once coming and going feed motion, to reach the effect of cutting whole tooth surface.
In process,, adopt the single-sided process mode owing to receive lathe B rotating shaft travel limits; Earlier at the right flank of tooth of station 1 machined surface gear, process a complete right flank of tooth after, the face gear carries out dividing movement; To process the right flank of tooth of next tooth; Up to processing the right flank of tooth of whole gear, and then change, up to the institute's geared surface that processes whole gear to the left flank of tooth of station 2 machined surface gears 1.
Said processing method can realize simultaneously that opposite gear 1 carries out mill teeth and the processing of high accuracy roll flute, and the relative motion relation of cutter and workpiece is constant.Mill teeth adds man-hour, and disk cutter 2 is a milling cutter, and roll flute adds man-hour, and disk cutter 2 is an emery wheel.
Said spur gear 3 is virtual, and in the process of reality, spur gear 3 is non-existent, in the drawings it is drawn just for process principle better is described.Simultaneously all need carry out heat treatment earlier in roll flute processing as last, to improve the combination property of material at the flank of tooth of real machined surface gear 1.
Description of drawings
Fig. 1 is the process principle sketch map that utilizes disk cutter machined surface gear.
Fig. 2 is the process principle sketch map vertical view that utilizes disk cutter machined surface gear.
Lathe scheme of installation when Fig. 3 processes former workpiece for Digit Control Machine Tool.
Lathe scheme of installation when Fig. 4 is Digit Control Machine Tool machined surface gear.
Fig. 5 is station 1,2 Working position sketch mapes.
The specific embodiment
1. opposite gear 1 is heat-treated in advance, to improve the combination property of material.The face gear is installed on the platen, and lengthening grinding wheel stand 4 is installed on the machine tool chief axis top, and disk cutter 2 is installed on lengthening grinding wheel stand 4 tops.
2. disk cutter 2 is moved to cutter position, carry out tool setting, after tool setting is accomplished, the value A of record A rotating shaft this moment
0
3. disk wheel is moved to station 1 Working position; After disk wheel moves to Working position; Disk cutter 2 is done rotation at a high speed around main shaft; Simultaneously face gear 1 with lathe A rotating shaft and B rotating shaft with constant small angle of rotating ratio swing, then disk cutter 2 with lathe Y axle toward face gear 1 radially come and go feeding once, reach the effect of cutting the flank of tooth.Swing and feeding so repeatedly is up to the right flank of tooth of complete tooth of cutting.
4. after processing a complete right flank of tooth, disk cutter 2 exit surface gear tooth slot, platen carries out dividing movement, to process next teeth groove.So repeatedly, up to all right flank of tooth that process whole gear.
5. disk cutter 2 is moved to station 2 Working positions; After disk wheel moves to Working position; Disk wheel 2 is done rotation at a high speed around main shaft; Simultaneously face gear 1 with lathe A rotating shaft and B rotating shaft with constant small angle of rotating ratio swing, then disk cutter 2 with lathe Y axle toward face gear 1 radially come and go feeding once, reach the effect of cutting the flank of tooth.Swing and feeding so repeatedly is up to the left flank of tooth of complete tooth of cutting.
6. after processing a complete left flank of tooth, disk cutter 2 exit surface gear tooth slot, platen carries out dividing movement, to process next teeth groove.So repeatedly, up to all left flank of tooth that process whole gear.
7. if allowance divides process distribution several times, then repeat above-mentioned 1,2,3,4,5,6 operation until machining.
Claims (7)
1. one kind is having now on the Digit Control Machine Tool, utilizes disk cutter to realize the processing method of face gear mill teeth and high accuracy roll flute, and it is characterized in that: face gear 1 is installed on the workbench of lathe; Lengthening grinding wheel stand 4 is installed on the machine tool chief axis top, and disk cutter 2 is installed on lengthening grinding wheel stand 4 tops, in process; Face gear 1 with lathe A rotating shaft around the rotation of self axis; Simultaneously face gear 1 is with lathe B rotation axis oscillating, and disk cutter 2 rotates at a high speed around self axis with main shaft, and disk cutter 2 radially comes and goes feed motion at the face gear simultaneously; After processing a complete flank of tooth; The face gear carries out dividing movement, to process the next flank of tooth, up to processing whole tooth surface of face gear.
2. processing method according to claim 1; It is characterized in that: face gear 1 is installed on the workbench of lathe; Lengthening grinding wheel stand 4 is installed on the machine tool chief axis top, and disk cutter 2 is installed on lengthening grinding wheel stand 4 tops, and the length of lengthening grinding wheel stand 4 should be greater than the exradius of face gear 1.
3. processing method according to claim 1 is characterized in that: the axial cross section profile of disk cutter 2 and the axial profile of spur gear 3 are identical.
4. processing method according to claim 1 is characterized in that: face gear 1 is constant with lathe A rotating shaft around the rotation of self axis with the rotating ratio of lathe B rotation axis oscillating, and
N wherein
cWith N
fBe respectively the number of teeth of spur gear 3 and face gear 1.
5. processing method according to claim 1 is characterized in that: face gear 1 is whenever around small angle of B rotation axis oscillating, and disk cutter 2 just radially carries out once coming and going feed motion at face gear 1.
6. processing method according to claim 1 is characterized in that: because lathe B axle travel limits adopts the single-sided process mode; The right flank of tooth of elder generation's machined surface gear, process a complete flank of tooth after, the face gear carries out dividing movement; To process the next flank of tooth; Up to processing the right flank of tooth of whole gear, and then change, up to processing whole gear to the left flank of tooth of another station machined surface gear 1.
7. processing method according to claim 1 is characterized in that: can realize simultaneously that opposite gear 1 carries out mill teeth and the processing of high accuracy roll flute, mill teeth adds man-hour, and disk cutter 2 is a milling cutter, and roll flute adds man-hour, and disk cutter 2 is an emery wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100740577A CN102581387A (en) | 2012-03-20 | 2012-03-20 | Method for processing face gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100740577A CN102581387A (en) | 2012-03-20 | 2012-03-20 | Method for processing face gear |
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| CN102581387A true CN102581387A (en) | 2012-07-18 |
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| CN2012100740577A Pending CN102581387A (en) | 2012-03-20 | 2012-03-20 | Method for processing face gear |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102962753A (en) * | 2012-10-12 | 2013-03-13 | 飞迅科技(苏州)有限公司 | Universal polishing mechanism |
| CN103692026A (en) * | 2014-01-16 | 2014-04-02 | 哈尔滨理工大学 | Orthogonal face gear grinding method based on planar grinding wheel end face |
| CN104551265A (en) * | 2013-10-09 | 2015-04-29 | 唐进元 | Method for machining face gear through disc tool |
| CN105904037A (en) * | 2015-02-23 | 2016-08-31 | 株式会社捷太格特 | Gear machining apparatus and a gear machining method |
| CN108393543A (en) * | 2018-02-26 | 2018-08-14 | 河南机电职业学院 | A kind of face gear drive method for grinding |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB775716A (en) * | 1954-04-19 | 1957-05-29 | Gleason Works | Improved method of cutting helicoidal surfaces on face toothed members |
| US5957762A (en) * | 1994-09-01 | 1999-09-28 | The Gleason Works | Internally toothed tool for the precision machining of gear wheels |
| CN101015870A (en) * | 2006-11-08 | 2007-08-15 | 湖南中大创远数控装备有限公司 | Six-five axis spiral awl gear cutting machine |
| CN101508039A (en) * | 2009-03-02 | 2009-08-19 | 长沙哈量凯帅精密机械有限公司 | Six-axis five-linkage spiral taper gear cutting machine tool |
| WO2011094492A1 (en) * | 2010-01-29 | 2011-08-04 | The Gleason Works | Continuous method for manufacturing face gears |
-
2012
- 2012-03-20 CN CN2012100740577A patent/CN102581387A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB775716A (en) * | 1954-04-19 | 1957-05-29 | Gleason Works | Improved method of cutting helicoidal surfaces on face toothed members |
| US5957762A (en) * | 1994-09-01 | 1999-09-28 | The Gleason Works | Internally toothed tool for the precision machining of gear wheels |
| CN101015870A (en) * | 2006-11-08 | 2007-08-15 | 湖南中大创远数控装备有限公司 | Six-five axis spiral awl gear cutting machine |
| CN101508039A (en) * | 2009-03-02 | 2009-08-19 | 长沙哈量凯帅精密机械有限公司 | Six-axis five-linkage spiral taper gear cutting machine tool |
| WO2011094492A1 (en) * | 2010-01-29 | 2011-08-04 | The Gleason Works | Continuous method for manufacturing face gears |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102962753A (en) * | 2012-10-12 | 2013-03-13 | 飞迅科技(苏州)有限公司 | Universal polishing mechanism |
| CN104551265A (en) * | 2013-10-09 | 2015-04-29 | 唐进元 | Method for machining face gear through disc tool |
| CN103692026A (en) * | 2014-01-16 | 2014-04-02 | 哈尔滨理工大学 | Orthogonal face gear grinding method based on planar grinding wheel end face |
| CN105904037A (en) * | 2015-02-23 | 2016-08-31 | 株式会社捷太格特 | Gear machining apparatus and a gear machining method |
| CN105904037B (en) * | 2015-02-23 | 2019-09-03 | 株式会社捷太格特 | Gear machining equipment and gear working method |
| CN108393543A (en) * | 2018-02-26 | 2018-08-14 | 河南机电职业学院 | A kind of face gear drive method for grinding |
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Application publication date: 20120718 |