CN108817555A - A kind of gear chamfering method - Google Patents
A kind of gear chamfering method Download PDFInfo
- Publication number
- CN108817555A CN108817555A CN201810777670.2A CN201810777670A CN108817555A CN 108817555 A CN108817555 A CN 108817555A CN 201810777670 A CN201810777670 A CN 201810777670A CN 108817555 A CN108817555 A CN 108817555A
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- Prior art keywords
- gear
- wheel
- grinding
- angle
- grinding wheel
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F19/00—Finishing gear teeth by other tools than those used for manufacturing gear teeth
- B23F19/10—Chamfering the end edges of gear teeth
- B23F19/12—Chamfering the end edges of gear teeth by grinding
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Processing (AREA)
Abstract
The present invention discloses a kind of gear chamfering method, including：To grinding wheel preprocessing, to form the first processing angle for completing gear teeth grinding and the second processing angle for completing tip surface grinding；The grinding wheel and gear to be processed form worm and gear gear motion, to complete to the Gear Processing to be processed.The present invention is by setting completely new double profile angle Grinding wheels for grinding wheel preprocessing, grinding wheel tooth pitch is identical as gears tooth pitch to be processed, and by forming worm and gear forms of motion with gear to be processed, rationally utilize worm and gear motion principle, it carries out flank of tooth grinding and the grinding of tip surface chamfering simultaneously to gear to be processed, improves gear chamfering qualification rate and stability；Reduce gear chamfering manufacturing procedure, improve production efficiency, reduces cost of labor；Moreover, it is achieved that green manufacturing, reduces pincers worker chamfering process, reduce the dust injury of worker.
Description
Technical field
The present invention relates to gear machining technology field, in particular to a kind of gear chamfering method.
Background technique
In the large quantities of mass productions of fine module gear, in high class gear industry, it is necessary to flank profil to gear tooth both ends and
Tip surface between the gear teeth flank of tooth and tooth top carries out chamfering, it is therefore an objective to avoid the interference phenomenon in assembling and operating from occurring, improve tooth
Running precision is taken turns, noise, vibration hair are reduced.
Existing tip surface chamfering (abbreviation chamfered edge) process has, pincers worker chamfered edge, gear hobbing chamfered edge, special purpose machine tool chamfered edge, machine
People's chamfered edge.Existing tip surface chamfered edge technology, using it is most wide be pincers worker chamfered edge, followed by special purpose machine tool chamfered edge, again be machine
People's chamfered edge, worst is gear hobbing chamfered edge.There is not the process of the direct chamfered edge when realizing roll flute on gear grinding machines also at present.
In existing gear teeth tip surface chamfered edge technology, pincers worker chamfered edge, heavy workload, repetitive operation, chamfered edge is omitted in gear one week
Or repeat to happen occasionally, surface roughness is poor, and less than Ra1.6, pincers worker chamfered edge is difficult to meet design of gears requirement, and quality is stablized
Difference, qualification rate is low, general less than 30%, in addition, powder is big when the grinding wheel processing of pincers worker chamfered edge, it is big to human injury；Rolling
Tooth chamfer, because of its working principle relationship, chamfered edge is rendered as wavy in gear axis line direction, is seldom used；Special machine
It is of large quantities that bed chamfered edge puts into big narrow application range requirement；Robot chamfered edge is only applicable to produce compared with large module gear chamfered edge.
Therefore, how the chamfering method that a kind of chamfered edge is high-efficient, qualification rate is high is provided, is that those skilled in the art urgently solve
Certainly the technical issues of.
Summary of the invention
The object of the present invention is to provide a kind of gear chamfering methods, and chamfered edge is high-efficient, while chamfered edge qualification rate is high, ensure that
Production efficiency and product quality problem reduce production cost, while reducing the degree of fatigue of operating personnel and to work
The harm problem of industry personnel.
In order to solve the above technical problems, the present invention provides a kind of gear chamfering method, including：
To grinding wheel preprocessing, angle is processed and for completing tip surface grinding for completing the gear teeth are ground first to be formed
Second processing angle；
The grinding wheel and gear to be processed form worm and gear gear motion, to complete to the Gear Processing to be processed.
Preferably, the process to grinding wheel preprocessing further includes：
It is processed by the first finishing of freeing wheel in face of the grinding wheel, to form the first processing angle；
It is processed by the second finishing of the freeing wheel in face of the grinding wheel, to form the second processing angle.
Preferably, the first processing angle is the angle of the first finishing face and reference line.
Preferably, the second processing angle is the angle in the second finishing face and datum level.
Preferably, the freeing wheel is moved along the axial line of the grinding wheel, to form screw-type machining locus.
Preferably, the screw pitch of the screw-type machining locus is identical as the tooth pitch of work gear to be added, so that the grinding wheel adds
Work becomes double profile angle grinding wheels.
A kind of freeing wheel including plate-like wheel body, the first finishing portion being arranged on the wheel body and is arranged in the wheel body
On the second finishing portion, in the wheel body rotary cutting grinding wheel, first finishing portion and second finishing portion are in institute
It states and forms double tooth-shape structure grinding wheels on grinding wheel.
Preferably, the finishing face of first finishing portion and the angle of reference line are the first preset value.
Preferably, the finishing face of second finishing portion and the angle of datum level are the second preset value.
Preferably, second finishing portion connects with first finishing portion, and second finishing portion is located at the wheel
Outer rim.
Gear chamfering method provided by the present invention mainly includes：To grinding wheel preprocessing, to be formed for completing gear teeth mill
The the first processing angle cut and the second processing angle for completing tip surface grinding；Grinding wheel and gear to be processed form worm and gear
Gear motion, to complete to Gear Processing to be processed.The present invention is ground by setting completely new double profile angles for grinding wheel preprocessing
Wheel is cut, grinding wheel tooth pitch is identical as gears tooth pitch to be processed, and by forming worm and gear forms of motion with gear to be processed, rationally
Using worm and gear motion principle, flank of tooth grinding is carried out to gear to be processed simultaneously and tip surface chamfering is ground, improves gear
Chamfered edge qualification rate and stability；Reduce gear chamfering manufacturing procedure, improve production efficiency, reduces cost of labor；In addition,
Green manufacturing is realized, pincers worker chamfering process is reduced, reduces the dust injury of worker.
Freeing wheel provided by the present application has expanded the function of gear grinding machine with worm grinding wheel, realizes gear teeth grinding and grinds with tip surface
Two kinds of functions are cut, reduces gear chamfering process, improves production efficiency, reduce cost of labor, realize green manufacturing, subtract
Lack pincers worker chamfering process, reduces the dust injury of worker；In addition, the space width of the space width of freeing wheel and work gear to be added
It is identical, gear chamfering qualification rate and stability are improved, tests qualification rate up to 99% or more, surface roughness can be higher than
Ra1.6 meets national standard and gear running track feature.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of flow chart of specific embodiment provided by the present invention；
Fig. 2 is a kind of overall structure diagram of specific embodiment of freeing wheel according to the present invention；
Fig. 3 is the partial view of freeing wheel shown in Fig. 2；
Fig. 4 is grinding wheel tooth form schematic diagram according to the present invention；
Fig. 5 engages operation schematic diagram with work gear to be added for grinding wheel according to the present invention.
Wherein, in Fig. 2-5：
Wheel body -1, the first finishing portion -2, the second finishing portion -3.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to FIG. 1, Fig. 1 is a kind of overall structure diagram of specific embodiment provided by the present invention.
In a kind of specific embodiment provided herein, gear chamfering method mainly includes：
Step 1) processes angle and for completing tip surface for completing the gear teeth are ground first to grinding wheel preprocessing, to be formed
Second processing angle of grinding.
Firstly, to carry out the preprocessing of machining tool to gear to be processed, the present embodiment passes through the sand to processing gear
Wheel carries out preprocessing, achievees the purpose that this method.Due to being needed to the flank of tooth and tip surface chamfering all in reality to the processing of gear
It is processed, therefore, an inclined-plane processed to gear teeth face, above-mentioned inclined-plane and grinding wheel reference line is set on grinding wheel
Form the first processing angle；Meanwhile it being provided in the upper end of the first processing angle and forming the second processing angle with grinding wheel datum level
Another inclined-plane, this inclined-plane processes tip surface chamfering.It should be noted that the tooth pitch between the grinding wheel gear teeth that processing is formed
Equal to the tooth pitch of gear tooth to be processed.It should also be noted that, above-mentioned first processing angle and the second processing angle, ability
Field technique personnel can extrapolate the first processing angle and the second processing angle by the process requirements to gear to be processed,
This is not illustrated.
Above-mentioned preprocessing process can be processed by the first finishing of the freeing wheel of the application in face of grinding wheel, to form first
Process angle；It is processed by the second finishing of freeing wheel in face of grinding wheel, to form the second processing angle；First processing angle is the
The angle in one finishing face and reference line, the second processing angle are the angle of the second finishing face and datum level, above-mentioned first processed clip
Angle is that those skilled in the art pass through the flank of tooth angle and tip surface angle calculation to gear to be processed with the second processing angle
It obtains, this will not be repeated here.
Finally, freeing wheel is moved along the axial line of grinding wheel, to form screw-type machining locus；Due to pre-set screw thread
The screw pitch of formula machining locus is identical as the tooth pitch of work gear to be added, so becoming double profile angle grinding wheels after grinding wheel processing.
Above-mentioned steps are illustrated the preprocessing of grinding wheel, complete to the machining tool grinding wheel of gear to be processed
Preprocessing then needs to process gear to be processed later, and the processing of gear to be processed will be described in detail below.
Step 2) grinding wheel and gear to be processed form worm and gear gear motion, to complete to add the work gear to be added
Work.
The present invention carries out process modifications by worm and gear principle, to gear grinding machine with worm grinding wheel, realizes gear teeth grinding
Two kinds of functions are ground with tip surface to be specifically described below.
Wherein, in processing to gear, grinding wheel plays the role of " worm screw ", and gear is then the work of " worm gear "
With specifically, grinding wheel is used as " worm screw " on gear grinding machine with worm grinding wheel, gear is used as " worm gear ", and the two follows strictly worm screw snail
Gear motion is taken turns, angle is that the part of the first processing angle is engaged with gear in grinding wheel, and forming pressure angle is the first processing angle
Involute, make inclined-plane to gear complete the flank of tooth grinding, due to the motion principle of worm and gear form, grinding wheel is in rotation process
In, it is influenced by gear rotation, the first of grinding wheel can be made to repair entire different piece and contacted with gear teeth face different piece, thus
Gear teeth face is ground, making gear, flank engagement meets professional standard in use；In grinding wheel angle be second plus
The part of work angle is engaged with worm gear, is formed the involute that pressure angle is the second processing angle, is formed to gear tip surface chamfering
Grinding, also due to the motion principle of worm and gear, second repairs entire different piece and peak contact, to flank profil and tooth top it
Between tip surface be ground, the processing to gear teeth face and tip surface can be completed.
The present invention is by setting completely new double profile angle Grinding wheels, grinding wheel tooth pitch and work gear to be added for grinding wheel preprocessing
Tooth pitch is identical, and by forming worm and gear forms of motion with gear to be processed, rationally utilizes worm and gear motion principle, treat
Processing gear carries out flank of tooth grinding and the grinding of tip surface chamfering simultaneously, improves gear chamfering qualification rate and stability, and experiment is closed
Lattice rate is up to 99% or more, work gear to be added finishing after gear blank forging, gear blank roughing, gear blank gear hobbing, heat treatment, heat
Work, so that surface roughness can be higher than Ra1.6；Reduce gear chamfering process, improve production efficiency, reduce manually at
This；Moreover, it is achieved that green manufacturing, reduces pincers worker chamfering process, reduce the dust injury of worker.
Fig. 2, Fig. 3 and Fig. 4 are please referred to, Fig. 2 is a kind of entirety of specific embodiment of freeing wheel according to the present invention
Structural schematic diagram；Fig. 3 is grinding wheel tooth form schematic diagram according to the present invention；Fig. 4 be grinding wheel according to the present invention with it is to be processed
Gear engages operation schematic diagram.
In a kind of specific embodiment provided herein, freeing wheel mainly includes plate-like wheel body 1, is arranged in wheel body
First on 1 finishing portion 2 and the second finishing portion 3 for being arranged on wheel body 1, in 1 rotary cutting grinding wheel of wheel body, the first finishing
Portion 2 and the second finishing portion 3 form double tooth-shape structure grinding wheels on grinding wheel.
Wherein, wheel body 1 is made using high-strength abrasion-proof material, to guarantee can there is long enough in preprocessing grinding wheel
Service life；First finishing portion, 2 place inclined-plane and freeing wheel reference line are at α angle, 3 place inclined-plane of the second finishing portion and finishing
Datum level is taken turns into α ' angle, above-mentioned two corner dimension is different, so that freeing wheel makes grinding wheel shape when carrying out preprocessing to grinding wheel
Tooth-shape structure grinding wheel in pairs.
Specifically, during actual preprocessing grinding wheel, on gear grinding machine with worm grinding wheel, grinding wheel rotary motion is repaired
Whole wheel is moved along grinding wheel axial line, and the two follows strictly the motion profile of screw thread, and screw pitch is equal to the gears tooth pitch for needing to be ground,
At this point, angle copies on grinding wheel at 3 liang of the first finishing portion 2 and the second finishing portion of freeing wheel, double profile angle grinding wheels are formed.Together
When, on gear grinding machine with worm grinding wheel, grinding wheel is as worm screw, and for gear as worm gear, the two follows strictly worm and wormwheel gear motion,
Complete grinding.The part that angle is α on worm screw is engaged with worm gear, is formed the involute that pressure angle is α, is completed the grinding of the flank of tooth.
Angle is that α ' is partially engaged with worm gear on worm screw, forms the involute that pressure angle is α ', forms gear tip surface chamfered part, completes
The grinding of gear tip surface.
The application, can be by the motion profile of screw thread, by sand by devising the freeing wheel of a kind of pair of grinding wheel preprocessing
Wheel is trimmed to double profile angle grinding wheels, can the flank of tooth to gear and tip surface chamfering process simultaneously, and grinding wheel tooth pitch with to
It is identical to process gears tooth pitch, improves gear chamfering qualification rate and stability, experiment qualification rate is up to 99% or more, tooth to be processed
Wheel finishes after gear blank forging, gear blank roughing, gear blank gear hobbing, heat treatment, heat, so that surface roughness can be higher than
Ra1.6；Reduce gear chamfering process, improve production efficiency, reduces cost of labor；Moreover, it is achieved that green manufacturing, subtracts
Lack pincers worker chamfering process, reduces the dust injury of worker.
Angle duplication more accurately can be carried out to grinding wheel to optimize freeing wheel in above-described embodiment, improve product conjunction
The advantages of lattice rate, the finishing face of the first finishing portion 2 and the angle of reference line are the first preset value；The finishing face of second finishing portion 3
Angle with datum level is the second preset value.First preset value and the second preset value are those skilled in the art by be processed
The process requirements of gear are calculated, and can be more in line with the process requirements of work gear to be added, and on-demand customization meets gear engagement
Characteristic, meanwhile, it is high in machining efficiency, improve product qualification rate.
Further, the second finishing portion 3 connects with the first finishing portion 2, and the second finishing portion 3 is located at 1 outer edge of wheel body.This
Design can guarantee that freeing wheel copies on grinding wheel when modifying to grinding wheel, while by double profile angle perfections of freeing wheel,
It ensure that the efficiency of grinding wheel preprocessing.
In conclusion gear chamfering method and freeing wheel provided by the present embodiment mainly include plate-like wheel body, setting exist
The first finishing portion on wheel body and the second finishing portion being arranged on wheel body, in wheel body rotary cutting grinding wheel, the first finishing
Portion and the second finishing portion form double tooth-shape structure grinding wheels on grinding wheel.Freeing wheel provided by the present application has expanded worm abrasion wheel mill
The function of tooth machine realizes gear teeth grinding with tip surface and is ground two kinds of functions, reduce gear chamfering process, improves production effect
Rate reduces cost of labor, realizes green manufacturing, reduces pincers worker chamfering process, reduces the dust injury of worker；Separately
Outside, the space width of freeing wheel is identical as the space width of work gear to be added, improves gear chamfering qualification rate and stability, and experiment is closed
For lattice rate up to 99% or more, surface roughness can be higher than Ra1.6, meet national standard and gear running track feature.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of gear chamfering method, which is characterized in that including：
To grinding wheel preprocessing, to form the first processing angle for completing gear teeth grinding and second for completing tip surface grinding
Process angle；
The grinding wheel and gear to be processed form worm and gear gear motion, to complete to the Gear Processing to be processed.
2. gear chamfering method according to claim 1, which is characterized in that the process to grinding wheel preprocessing is also wrapped
It includes：
It is processed by the first finishing of freeing wheel in face of the grinding wheel, to form the first processing angle；
It is processed by the second finishing of the freeing wheel in face of the grinding wheel, to form the second processing angle.
3. gear chamfering method according to claim 2, which is characterized in that the first processing angle is the first finishing face
With the angle of reference line.
4. gear chamfering method according to claim 3, which is characterized in that the second processing angle is described second to repair
The angle of whole face and datum level.
5. gear chamfering method according to claim 4, which is characterized in that axial line of the freeing wheel along the grinding wheel
Movement, to form screw-type machining locus.
6. gear chamfering method according to claim 5, which is characterized in that the screw pitch of the screw-type machining locus with to
The tooth pitch for processing gear is identical, so that the grinding wheel is processed into double profile angle grinding wheels.
7. gear chamfering method according to claim 6, which is characterized in that the freeing wheel includes plate-like wheel body (1), sets
It sets in the first finishing portion (2) on the wheel body (1) and the second finishing portion (3) being arranged on the wheel body (1), described
When wheel body (1) rotary cutting grinding wheel, first finishing portion (2) and second finishing portion (3) form double on the grinding wheel
Tooth-shape structure grinding wheel.
8. freeing wheel according to claim 7, which is characterized in that the finishing face of first finishing portion (2) and reference line
Angle be the first preset value.
9. freeing wheel according to claim 8, which is characterized in that the finishing face of second finishing portion (3) and datum level
Angle be the second preset value.
10. freeing wheel according to claim 7, which is characterized in that second finishing portion (3) and first finishing portion
(2) connect, and second finishing portion (3) is located at the wheel body (1) outer edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810777670.2A CN108817555A (en) | 2018-07-16 | 2018-07-16 | A kind of gear chamfering method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810777670.2A CN108817555A (en) | 2018-07-16 | 2018-07-16 | A kind of gear chamfering method |
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| CN108817555A true CN108817555A (en) | 2018-11-16 |
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| CN201810777670.2A Pending CN108817555A (en) | 2018-07-16 | 2018-07-16 | A kind of gear chamfering method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113766988A (en) * | 2020-04-03 | 2021-12-07 | Osg株式会社 | Chamfering method for gear |
| CN114799362A (en) * | 2022-06-28 | 2022-07-29 | 湖南中大创远数控装备有限公司 | Grinding machine, bowl-shaped grinding wheel and shape modification method of bowl-shaped grinding wheel |
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| CN203936479U (en) * | 2014-06-25 | 2014-11-12 | 淮安市万隆机械科技有限公司 | A kind of gear chamfering machine |
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| CN205438224U (en) * | 2015-12-31 | 2016-08-10 | 河南石力金刚石制品股份有限公司 | Diamond gyro wheel maintained is carried out bearing inner race's grinding wheel |
| CN107186288A (en) * | 2012-04-17 | 2017-09-22 | 利勃海尔-齿轮技术有限责任公司 | The method and apparatus that gear is adjusted for retrofit |
| CN107717137A (en) * | 2017-11-27 | 2018-02-23 | 重庆大学 | A kind of tooth top rounding method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2651705B1 (en) * | 1989-09-11 | 1993-07-30 | Hurth Masch Zahnrad Carl | PROCESS FOR FINISHING THE CUTTERS OF TEETH WHEELS, ESPECIALLY TEMPERED, AND TOOL FOR CARRYING OUT SAID METHOD. |
| CN107186288A (en) * | 2012-04-17 | 2017-09-22 | 利勃海尔-齿轮技术有限责任公司 | The method and apparatus that gear is adjusted for retrofit |
| CN103706886A (en) * | 2012-09-29 | 2014-04-09 | 南车戚墅堰机车车辆工艺研究所有限公司 | Involute gear tooth profile gear cutting equipment and gear cutting method thereof |
| CN203184773U (en) * | 2013-03-18 | 2013-09-11 | 德州德隆(集团)机床有限责任公司 | Front gear grinding hob |
| CN203936479U (en) * | 2014-06-25 | 2014-11-12 | 淮安市万隆机械科技有限公司 | A kind of gear chamfering machine |
| CN104889501A (en) * | 2015-06-08 | 2015-09-09 | 南车戚墅堰机车车辆工艺研究所有限公司 | Non-full-symmetry involute gear, gear cutting hob special for same, and machining method of non-full-symmetry involute gear |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113766988A (en) * | 2020-04-03 | 2021-12-07 | Osg株式会社 | Chamfering method for gear |
| CN114799362A (en) * | 2022-06-28 | 2022-07-29 | 湖南中大创远数控装备有限公司 | Grinding machine, bowl-shaped grinding wheel and shape modification method of bowl-shaped grinding wheel |
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Application publication date: 20181116 |