CN107234247A - A kind of gearbox taper reverse gear shaft manufacture craft - Google Patents
A kind of gearbox taper reverse gear shaft manufacture craft Download PDFInfo
- Publication number
- CN107234247A CN107234247A CN201710676762.7A CN201710676762A CN107234247A CN 107234247 A CN107234247 A CN 107234247A CN 201710676762 A CN201710676762 A CN 201710676762A CN 107234247 A CN107234247 A CN 107234247A
- Authority
- CN
- China
- Prior art keywords
- gear shaft
- reverse gear
- cutting
- taper
- workpiece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B1/00—Methods for turning or working essentially requiring the use of turning-machines; Use of auxiliary equipment in connection with such methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2220/00—Details of turning, boring or drilling processes
- B23B2220/24—Finishing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2220/00—Details of turning, boring or drilling processes
- B23B2220/44—Roughing
Abstract
A kind of gearbox taper reverse gear shaft manufacture craft of the present invention, including 1), prepare original material；2), the adjustment of lathe；3), the adjustment of knife rest；4), the clamping of taper reverse gear shaft；5), the selection of Auxiliary support；6), the selection of cutter；7) measure of thermal deformation elongation, is compensated.The present invention is in process using the tailstock center of elasticity, effective compensation cutter to the workpiece of one section of tailstock compressive deformation and thermal expansion length, the press-bending of workpiece is avoided to deform, the present invention uses three-jaw follow-rest, the deformation of radial cutting force generation can be reduced, offset due to being deformed caused by self gravitation, vibration is not likely to produce during turning, cutting stability is good, the rigidity of workpiece system can be improved, the present invention passes through rational clamping, select Auxiliary support, correct reconditioning cutter, from suitable processing method and cutting data, effectively thermal stretching is avoided to deform, vibration.
Description
Technical field
Work is made the present invention relates to taper reverse gear shaft processing technique field, more particularly to a kind of gearbox taper reverse gear shaft
Skill.
Background technology
Gearbox generally refers to the gearbox of automobile.It is divided into manual, automatic two kinds, and manual transmission is mainly by gear
With axle composition, variable-speed torque-converting is produced by different gear combinations；And automatic gear-box AT is by hydraulic torque converter, planetary gear
With hydraulic control system composition, variable-speed torque-converting is reached by way of fluid power transmission and gear combination.
The present inventor is engaged in axle class processing work for many years, finds in process, taper reverse gear shaft is in process
In there is following shortcoming：
1st, the length of taper reverse gear shaft is longer, and the one-pass time is longer, and tool wear is also bigger, influences taper reverse gear shaft
Precision after processing；
2nd, the heat diffusivity of taper reverse gear shaft is poor, in the presence of cutting heat, sizable line expansion can be produced, if work
The two ends of part support to be fixed, workpiece can because of elongation curved top；
3rd, in the presence of workpiece own wt, deformation, vibration, the surface quality after influence work pieces process.
Then, inventor in view of this, adhere to the relevant industries for many years it is abundant design and develop and actual fabrication experience,
Improvement is studied there is provided a kind of gearbox taper reverse gear shaft manufacture craft for existing structure and missing, to reach more
Purpose with more practical value.
The content of the invention
It is an object of the invention to provide a kind of gearbox taper reverse gear shaft manufacture craft, to solve in above-mentioned background technology
The problem of proposition.
The purpose and effect of gearbox taper reverse gear shaft manufacture craft of the present invention, are reached by technological means in detail below：
A kind of gearbox taper reverse gear shaft manufacture craft, described gearbox taper reverse gear shaft manufacture craft includes：
1) original material, is prepared：The round steel of 40Cr, Φ 55；Equipment：Circular sawing machine G75, lathe CA6140, CA6150,
CAK6140, Hydraulic copying lathe CE7112, end face milling drill centres machine tool XZ224, drilling machine Z4015A；Technique auxiliary equipment：In
The heart bore B5/18B, 3.5/11.2,500mm specifications slide measure, mold shaft ZD7.04B-611-7, drill bit Φ 5.1mm, screw tap M6, lead to
Rule and no-go gage M6, Brinell hardness tester, radius gauge, spling hob 25-50 outer diameter rulers；
2), the adjustment of lathe：The process of taper reverse gear shaft needs to use all or most of bed ways, because
The precision of this lathe in itself has considerable influence on machining accuracy, because machine tool guideway surface wear degree is different, first
Appropriate adjustment is done to lathe, makes the alignment of shafts and the tailstock centre line of centres parallel with guide rail total length；
3), the adjustment of knife rest：Knife rest is the processing extremely important annex of taper reverse gear shaft.The center of knife rest must be with card
Disk, tailstock centre are on same center, cylindrical reamer or cylindrical milling cutter can be clamped on scroll chuck if necessary, to knife
Frame supporting head is modified, and the material of pillar uses common gray cast iron during processing taper reverse gear shaft, the abrasion of this material compared with
It is small to can guarantee that machining accuracy, and will not grind and hinder workpiece surface, the finish of workpiece surface can be improved；
4), the clamping of taper reverse gear shaft：Clamping taper reverse gear shaft is pushed up using a folder one in turnery processing, in claw during clamping
A diameter of 3~5mm wire loop on interior pad, so that taper reverse gear shaft can automatically adjust its position, it is to avoid produced in clamping curved
Bent torque, back centre is from elastic rolling center, and to compensate thermal expansion length, the circular runout of elastic rolling center is not more than cone
1/3 times of shape reverse gear shaft tolerance, top when being contacted with centre bore, the top size with workpiece contact will be controlled；
5), the selection of Auxiliary support：Little for draw ratio, machining accuracy is not high, it is allowed to segmentation cutting or u-turn cutting
Taper reverse gear shaft use centre frame, use follow-rest for the larger taper reverse gear shaft of draw ratio；
6), the selection of cutter：Cutter material uses YT15 hard alloy, and blade must grind straight, and surface roughness reaches
More than Ra0.8, in rough turn taper reverse gear shaft, tool cutting edge angle takes 75~80 °, and tool cutting edge angle takes 85~90 ° during smart car, and big anterior angle takes
Between 15~30 °, blade inclination angle is selected between 5~15 °, to reduce cutting force, prevents vibration, the size of tool arc sharpening
Less than 0.3mm；
7) measure of thermal deformation elongation, is compensated：
I, cutting datas machining is produced cutting heat number there is different influence degrees, wherein cutting speed pair
The generation influence of cutting heat is maximum, is reasonably selected according to the material of working properties, workpiece in turning taper reverse gear shaft,
It is as follows：
II, is compensated with elastic rolling center：In taper reverse gear shaft turning process, when being produced elongation by cutting heat effect,
Compressed by the butterfly spring of elastic rolling center, make top automatic backing, so as to compensate；
During III, turning taper reverse gear shafts, cooling oil or cutting fluid are poured into a mould in support claw and friction of workpiece position, while to cutting
Cut area and carry out fully cast cutting fluid, reduce the generation of heat and conducted to workpiece, effectively in the temperature of control taper reverse gear shaft
Rise, suppress thermal deformation elongation；
IV, is difficult using elastic live centre processing taper reverse gear shaft, the thermal deformation elongation of effective compensation workpiece, workpiece
Bending；
V, uses feed reverse cutting taper reverse gear shaft, reduces flexural deformation；
VI, keeps the sharp keen state of cutter, reduces the frictional heating of lathe tool and workpiece.
Further, the step 3) intermediate slide pawl contacts well with workpiece surface, and must not be too tight or too loose.
Further, the step 5) follow-rest use three-jaw follow-rest.
With existing structure in comparison, the invention has the advantages that：
1. the present invention is in process using the tailstock center of elasticity, the workpiece of effective compensation cutter to one section of tailstock
Compressive deformation and thermal expansion length, it is to avoid workpiece press-bending deformation.
2. the present invention uses three-jaw follow-rest, the deformation of radial cutting force generation can be reduced, offset due to self gravitation
Caused deformation, is not likely to produce vibration during turning, cutting stability is good, can improve the rigidity of workpiece system.
3. the present invention is by rational clamping, selection Auxiliary support, correct reconditioning cutter, from suitable processing method
And cutting data, effectively avoid thermal stretching deformation, vibration.
Embodiment
Below, embodiments of the invention are will be explained in, the example is shown below in description.Although will combine exemplary
Embodiment description the present invention, it is to be understood that the description is not really wanted to limit the invention to the exemplary embodiment.On the contrary,
The present invention will not only cover the exemplary embodiment, but also cover various replacements, change, equivalent and other implementations
Example, it can be included in the spirit and scope of the present invention that appended claims are limited.
A kind of gearbox taper reverse gear shaft manufacture craft, it is characterised in that：Described gearbox taper reverse gear shaft makes work
Skill includes：
1) original material, is prepared：The round steel of 40Cr, Φ 55；Equipment：Circular sawing machine G75, lathe CA6140, CA6150,
CAK6140, Hydraulic copying lathe CE7112, end face milling drill centres machine tool XZ224, drilling machine Z4015A；Technique auxiliary equipment：In
The heart bore B5/18B, 3.5/11.2,500mm specifications slide measure, mold shaft ZD7.04B-611-7, drill bit Φ 5.1mm, screw tap M6, lead to
Rule and no-go gage M6, Brinell hardness tester, radius gauge, spling hob 25-50 outer diameter rulers；
2), the adjustment of lathe：The process of taper reverse gear shaft needs to use all or most of bed ways, because
The precision of this lathe in itself has considerable influence on machining accuracy, because machine tool guideway surface wear degree is different, first
Appropriate adjustment is done to lathe, makes the alignment of shafts and the tailstock centre line of centres parallel with guide rail total length；
3), the adjustment of knife rest：Knife rest is the processing extremely important annex of taper reverse gear shaft.The center of knife rest must be with card
Disk, tailstock centre are on same center, cylindrical reamer or cylindrical milling cutter can be clamped on scroll chuck if necessary, to knife
Frame supporting head is modified, and the material of pillar uses common gray cast iron during processing taper reverse gear shaft, the abrasion of this material compared with
It is small to can guarantee that machining accuracy, and will not grind and hinder workpiece surface, the finish of workpiece surface can be improved；
4), the clamping of taper reverse gear shaft：Clamping taper reverse gear shaft is pushed up using a folder one in turnery processing, in claw during clamping
A diameter of 3~5mm wire loop on interior pad, so that taper reverse gear shaft can automatically adjust its position, it is to avoid produced in clamping curved
Bent torque, back centre is from elastic rolling center, and to compensate thermal expansion length, the circular runout of elastic rolling center is not more than cone
1/3 times of shape reverse gear shaft tolerance, top the top size with workpiece contact will be controlled when being contacted with centre bore, with top living
Point will follow workpiece to rotate again more slightly strength, and pressure easily deforms workpiece bows very much greatly, and pressure is too small easily to cause beginning
The vibration of penetration of a cutting tool, if for taper reverse gear shaft using two top clampings, due to being influenceed that bending can be produced by its own gravity,
Centre bore and top loose contact are caused, is ejected in the presence of cutting force or by taper reverse gear shaft, causes to come off；
5), the selection of Auxiliary support：Little for draw ratio, machining accuracy is not high, it is allowed to segmentation cutting or u-turn cutting
Taper reverse gear shaft use centre frame, use follow-rest for the larger taper reverse gear shaft of draw ratio；
6), the selection of cutter：Cutter material uses YT15 hard alloy, and blade must grind straight, and surface roughness reaches
More than Ra0.8, in rough turn taper reverse gear shaft, tool cutting edge angle takes 75~80 °, and tool cutting edge angle takes 85~90 ° during smart car, and big anterior angle takes
Between 15~30 °, blade inclination angle is selected between 5~15 °, to reduce cutting force, prevents vibration, the size of tool arc sharpening
Less than 0.3mm；
7) measure of thermal deformation elongation, is compensated：
I, cutting datas machining is produced cutting heat number there is different influence degrees, wherein cutting speed pair
The generation influence of cutting heat is maximum, is reasonably selected according to the material of working properties, workpiece in turning taper reverse gear shaft,
It is as follows：
II, is compensated with elastic rolling center：In taper reverse gear shaft turning process, when being produced elongation by cutting heat effect,
Compressed by the butterfly spring of elastic rolling center, make top automatic backing, so as to compensate；
During III, turning taper reverse gear shafts, cooling oil or cutting fluid are poured into a mould in support claw and friction of workpiece position, while to cutting
Cut area and carry out fully cast cutting fluid, reduce the generation of heat and conducted to workpiece, effectively in the temperature of control taper reverse gear shaft
Rise, suppress thermal deformation elongation；
IV, is difficult using elastic live centre processing taper reverse gear shaft, the thermal deformation elongation of effective compensation workpiece, workpiece
Bending；
V, uses feed reverse cutting taper reverse gear shaft, reduces flexural deformation；
VI, keeps the sharp keen state of cutter, reduces the frictional heating of lathe tool and workpiece.
The preferred embodiment of gearbox taper reverse gear shaft manufacture craft as described above, wherein, step 3) intermediate slide pawl
Contacted with workpiece surface well, must not be too tight or too loose, tension, workpiece can produce laemodipodiform error, rough surface with feed
Spend big；Pine is crossed, workpiece, which is easily beated, produces ellipse, prismatic, laemodipodiform equal error, and surface roughness can also increase；
The preferred embodiment of gearbox taper reverse gear shaft manufacture craft as described above, wherein, step 5) follow-rest adopts
Taper reverse gear shaft in three-jaw follow-rest, turnery processing is used in addition to cutting force is born, to still suffer from self gravitation effect, taper is reversed gear
Axle is fixed among three support claws and cutter, can not only reduce the deformation of radial cutting force generation, and can turn round and look at counteracting
Due to being deformed caused by self gravitation, vibration is not likely to produce during turning, cutting stability is good, can improve the rigidity of workpiece system.
In summary, although the present invention is described in detail with reference to the foregoing embodiments, for the technology of this area
For personnel, it can still modify to the technical scheme described in foregoing embodiments, or to which part technology
Feature carries out equivalent substitution, within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc.,
It should be included within protection scope of the present invention.
Claims (3)
1. a kind of gearbox taper reverse gear shaft manufacture craft, it is characterised in that：Described gearbox taper reverse gear shaft manufacture craft
Include：
1) original material, is prepared：The round steel of 40Cr, Φ 55；Equipment：Circular sawing machine G75, lathe CA6140, CA6150, CAK6140,
Hydraulic copying lathe CE7112, end face milling drill centres machine tool XZ224, drilling machine Z4015A；Technique auxiliary equipment：Centre drill B5/
18B, 3.5/11.2,500mm specifications slide measure, mold shaft ZD7.04B-611-7, drill bit Φ 5.1mm, screw tap M6, drift and only
Advise M6, Brinell hardness tester, radius gauge, spling hob 25-50 outer diameter rulers；
2), the adjustment of lathe：The process of taper reverse gear shaft needs to use all or most of bed ways, therefore machine
The bed precision of itself has considerable influence on machining accuracy, because machine tool guideway surface wear degree is different, first has to pair
Lathe does appropriate adjustment, makes the alignment of shafts and the tailstock centre line of centres parallel with guide rail total length；
3), the adjustment of knife rest：Knife rest is the processing extremely important annex of taper reverse gear shaft.The center of knife rest must be with chuck, tail
Seat is top on same center, cylindrical reamer or cylindrical milling cutter can be clamped on scroll chuck if necessary, to follow-rest branch
Take the lead and be modified, the material of pillar uses common gray cast iron, the smaller energy of abrasion of this material during processing taper reverse gear shaft
Ensure machining accuracy, and will not grind and hinder workpiece surface, the finish of workpiece surface can be improved；
4), the clamping of taper reverse gear shaft：Clamping taper reverse gear shaft is pushed up using a folder one in turnery processing, padded during clamping in claw
Upper a diameter of 3~5mm wire loop, so that taper reverse gear shaft can automatically adjust its position, it is to avoid produce bending force in clamping
Square, back centre is from elastic rolling center, and to compensate thermal expansion length, the circular runout of elastic rolling center is not more than taper and fallen
1/3 times of gear shaft tolerance, top when being contacted with centre bore, the top size with workpiece contact will be controlled；
5), the selection of Auxiliary support：Little for draw ratio, machining accuracy is not high, it is allowed to the cone of segmentation cutting or u-turn cutting
Shape reverse gear shaft uses centre frame, and follow-rest is used for the larger taper reverse gear shaft of draw ratio；
6), the selection of cutter：Cutter material uses YT15 hard alloy, and blade must grind straight, surface roughness up to Ra0.8 with
On, in rough turn taper reverse gear shaft, tool cutting edge angle takes 75~80 °, and tool cutting edge angle takes 85~90 ° during smart car, and big anterior angle is taken at 15~30 °
Between, blade inclination angle is selected between 5~15 °, to reduce cutting force, prevents vibration, and the size of tool arc sharpening is less than
0.3mm；
7) measure of thermal deformation elongation, is compensated：
I, cutting datas to machining produce cutting heat number have different influence degrees, wherein cutting speed to cutting
The generation influence of heat is maximum, is reasonably selected according to the material of working properties, workpiece in turning taper reverse gear shaft, as follows
It is shown：
II, is compensated with elastic rolling center：In taper reverse gear shaft turning process, when being produced elongation by cutting heat effect, pass through
The butterfly spring of elastic rolling center is compressed, and makes top automatic backing, so as to compensate；
During III, turning taper reverse gear shafts, cooling oil or cutting fluid are poured into a mould in support claw and friction of workpiece position, while to cutting region
Fully cast cutting fluid is carried out, the generation of heat is reduced and is conducted to workpiece, the temperature of effectively control taper reverse gear shaft rises, suppression
Heat anamorphic stretching amount；
IV, is using elastic live centre processing taper reverse gear shaft, and the thermal deformation elongation of effective compensation workpiece, workpiece is not pliable
It is bent；
V, uses feed reverse cutting taper reverse gear shaft, reduces flexural deformation；
VI, keeps the sharp keen state of cutter, reduces the frictional heating of lathe tool and workpiece.
2. gearbox taper reverse gear shaft manufacture craft according to claim 1, it is characterised in that：The step 3) intermediate slide
Pawl is contacted well with workpiece surface, must not be too tight or too loose.
3. gearbox taper reverse gear shaft manufacture craft according to claim 1, it is characterised in that：The step 5) follow-rest
Using three-jaw follow-rest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710676762.7A CN107234247A (en) | 2017-08-09 | 2017-08-09 | A kind of gearbox taper reverse gear shaft manufacture craft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710676762.7A CN107234247A (en) | 2017-08-09 | 2017-08-09 | A kind of gearbox taper reverse gear shaft manufacture craft |
Publications (1)
| Publication Number | Publication Date |
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| CN107234247A true CN107234247A (en) | 2017-10-10 |
Family
ID=59988586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710676762.7A Withdrawn CN107234247A (en) | 2017-08-09 | 2017-08-09 | A kind of gearbox taper reverse gear shaft manufacture craft |
Country Status (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111842930A (en) * | 2020-04-23 | 2020-10-30 | 安徽新华印刷股份有限公司 | Reverse cutting machining method in machining |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010000807A (en) * | 2000-10-20 | 2001-01-05 | 오현수 | A working apparatus of thread relief of a tap |
| CN201008975Y (en) * | 2007-03-15 | 2008-01-23 | 杭州电子科技大学 | Double-knife back feed ultrasound wave torsional vibration vehicle milling system |
| CN102744423A (en) * | 2012-07-03 | 2012-10-24 | 池州市邦鼐机电科技有限公司 | Quenched steel long axis excircle and thread hard turning machining process |
| CN102794650A (en) * | 2012-07-24 | 2012-11-28 | 苏州市建军纺机配件厂 | Clip for turning thin and long shaft |
| CN202921924U (en) * | 2012-10-18 | 2013-05-08 | 无锡银联机械有限公司 | Turning device for processing slender shaft part |
| CN103611948A (en) * | 2013-11-29 | 2014-03-05 | 内蒙古北方重工业集团有限公司 | Method for machining long and thin rod part on ordinary lathe |
| CN104128634A (en) * | 2014-07-07 | 2014-11-05 | 常熟市常轴轴承有限公司 | Floating clamping jaw for lathe machining |
| CN104959629A (en) * | 2015-06-29 | 2015-10-07 | 安庆市吉安汽车零件锻轧有限公司 | Improvement method of shaft part machining technology |
| CN105328208A (en) * | 2015-12-15 | 2016-02-17 | 常熟市常轴轴承有限公司 | Turning technology of thin-walled sealing piece for rail transit |
| CN105855800A (en) * | 2016-04-26 | 2016-08-17 | 英诺威阀业有限公司 | Long shaft machining method |
-
2017
- 2017-08-09 CN CN201710676762.7A patent/CN107234247A/en not_active Withdrawn
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010000807A (en) * | 2000-10-20 | 2001-01-05 | 오현수 | A working apparatus of thread relief of a tap |
| CN201008975Y (en) * | 2007-03-15 | 2008-01-23 | 杭州电子科技大学 | Double-knife back feed ultrasound wave torsional vibration vehicle milling system |
| CN102744423A (en) * | 2012-07-03 | 2012-10-24 | 池州市邦鼐机电科技有限公司 | Quenched steel long axis excircle and thread hard turning machining process |
| CN102794650A (en) * | 2012-07-24 | 2012-11-28 | 苏州市建军纺机配件厂 | Clip for turning thin and long shaft |
| CN202921924U (en) * | 2012-10-18 | 2013-05-08 | 无锡银联机械有限公司 | Turning device for processing slender shaft part |
| CN103611948A (en) * | 2013-11-29 | 2014-03-05 | 内蒙古北方重工业集团有限公司 | Method for machining long and thin rod part on ordinary lathe |
| CN104128634A (en) * | 2014-07-07 | 2014-11-05 | 常熟市常轴轴承有限公司 | Floating clamping jaw for lathe machining |
| CN104959629A (en) * | 2015-06-29 | 2015-10-07 | 安庆市吉安汽车零件锻轧有限公司 | Improvement method of shaft part machining technology |
| CN105328208A (en) * | 2015-12-15 | 2016-02-17 | 常熟市常轴轴承有限公司 | Turning technology of thin-walled sealing piece for rail transit |
| CN105855800A (en) * | 2016-04-26 | 2016-08-17 | 英诺威阀业有限公司 | Long shaft machining method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111842930A (en) * | 2020-04-23 | 2020-10-30 | 安徽新华印刷股份有限公司 | Reverse cutting machining method in machining |
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Application publication date: 20171010 |
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