CN106002109A - Automobile synchronizer gear sleeve manufacturing technology and aging treatment machine - Google Patents
Automobile synchronizer gear sleeve manufacturing technology and aging treatment machine Download PDFInfo
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- CN106002109A CN106002109A CN201610625050.8A CN201610625050A CN106002109A CN 106002109 A CN106002109 A CN 106002109A CN 201610625050 A CN201610625050 A CN 201610625050A CN 106002109 A CN106002109 A CN 106002109A
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- gear
- automobile synchronizer
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- 230000032683 aging Effects 0.000 title claims abstract description 45
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 238000005516 engineering process Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims description 44
- 206010055001 Hypodontia Diseases 0.000 claims description 6
- 206010002583 anodontia Diseases 0.000 claims description 6
- 238000005256 carbonitriding Methods 0.000 claims description 6
- 230000005213 hypodontia Effects 0.000 claims description 6
- 201000006680 tooth agenesis Diseases 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 5
- 238000009527 percussion Methods 0.000 claims description 2
- 230000035882 stress Effects 0.000 abstract description 26
- 238000003754 machining Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 12
- 230000001133 acceleration Effects 0.000 description 9
- 238000005299 abrasion Methods 0.000 description 8
- 210000001138 tear Anatomy 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/32—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for gear wheels, worm wheels, or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
- F16D23/02—Arrangements for synchronisation, also for power-operated clutches
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
The invention discloses an automobile synchronizer gear sleeve manufacturing technology and an aging treatment machine applied to the automobile synchronizer gear sleeve manufacturing technology. In the automobile synchronizer gear sleeve manufacturing technology, an aging treatment process is added after rough machining andheat treatment, a torque is exerted on a transmission gear on a gear sleeve during aging treatment so as to promote stress release inside the gear sleeve, and finish machining is performed on the gear sleeve after the aging treatment to enable the gear sleeve to meet the design requirements. The aging treatment machine applied to the automobile synchronizer gear sleeve manufacturing technology can perform the aging treatment on the synchronizer gear sleeve better according to the automobile synchronizer gear sleeve manufacturing technology, increases the speed of the aging treatment and releases stress inside the gear sleeve more completely.
Description
Technical field
The present invention relates to lock unit production technology, particularly to production technology and the timeliness datatron of a kind of gear sleeve of automobile synchronizer.
Background technology
Lock unit is one of critical piece in automobile gearbox, need during automobile gear shift by lock unit realize two shelves be between smooth and easy conversion.Temperature in automobile change speed gear box in use is higher, can transmit bigger moment of torsion between tooth hub and the tooth set of lock unit simultaneously, and this can cause lock unit to wear and tear.As it is shown in figure 1, tooth set is thin wall component, its outer surface is provided with driving cog inner surface and is provided with spline, owing to tooth sleeve wall thickness is relatively thin, simultaneously can acting on, so being more prone to wear and tear relative to tooth hub by bigger impulsive force when gearshift.Lock unit weares and teares the most serious stage in actual use typically when new car running in stage and distance travelled are close to service life.Owing to tooth hub and the tooth set of lock unit typically all pass through forging, certain residual stress can be left inside it, at the running in stage of new car due to by bigger moment of torsion and higher temperature action, residual stress within lock unit can gradually discharge, make to occur between tooth set and the tooth hub of lock unit the deformation of trace, cause, between tooth hub and tooth set, the most serious abrasion occurs, after the residual stress in lock unit discharges completely substantially, enter into normal wearing stage between the two, now automobilism is the most stable, and operating characteristics is best.
At present, the Chinese patent of Publication No. CN101058887A discloses a kind of heat treatment process for automobile gear shifting box synchronizer gear sheath, and it includes that carbo-nitriding, pressure are quenched, are tempered, are detected.Although this heat treatment process for automobile gear shifting box synchronizer gear sheath can improve intensity and the service life of lock unit by heat treatment, but the stress within lock unit is the most preferably eliminated, cause lock unit that bigger deformation can occur during just beginning to use, it is susceptible to abrasion between tooth hub and tooth set, reduces service life and the stability of lock unit.
Summary of the invention
The deficiency existed for prior art, first purpose of the present invention is to provide the production technology of a kind of gear sleeve of automobile synchronizer, can preferably reduce the internal stress within the synchronizer gear sleeve produced.
The above-mentioned technical purpose of the present invention has the technical scheme that the production technology of a kind of gear sleeve of automobile synchronizer, comprises the following steps:
A, the blank overlapping tooth forge；
B, blank to tooth set carry out roughing, are processed by the monnolithic case that tooth overlaps, the driving cog that puts including tooth, internal spline, fork slot, and reserve surplus to carry out polish；
C, to processing after tooth set carry out heat treatment；
D, the tooth set after heat treatment is carried out Ageing Treatment, while carrying out Ageing Treatment, the driving cog on tooth set is applied torque；
E, the tooth set after Ageing Treatment is carried out initial survey；
F, the tooth set through Wetted constructures is carried out polish；
G, the tooth set after polish is tested；
H, to check qualified tooth set be carried out, dry, assemble.
Pass through technique scheme, tooth set after roughing and heat treatment is being carried out Ageing Treatment, while entering Ageing Treatment, on driving cog, apply certain torque simultaneously, with imitate lock unit in change speed gear box actually used during working environment, so that the internal stress that tooth puts discharges in advance, when avoiding proceeding to use in change speed gear box after completion of processing, tooth set is internal also has bigger internal stress, cause lock unit, at running in stage, bigger abrasion occurs, cause driving cog surface to be destroyed, make reduce service life.Before being arranged on polish due to Ageing Treatment, even if so tooth set surface occurs certain deformation and abrasion, the precision that also tooth can be made to overlap by the polish in later stage is guaranteed, and reduces defect rate.When so there is break-in when tooth is enclosed within loading change speed gear box, the degree being worn is less, decreases the abrasion of running in stage, adds physical life.Relative to common, workpiece heat to 100 ~ 150 degree is stood the process of the holding artificial aging of 5 ~ 20 hours simultaneously, while Ageing Treatment, the driving cog on tooth set is applied certain moment of torsion, on the one hand tooth can be made to be enclosed within and carry out producing the when of Ageing Treatment certain vibrations, reduce the internal stress that tooth puts further；On the other hand, if the stress concentration phenomenon that there is crack or bigger on driving cog also can come out during carrying out Ageing Treatment, it is to avoid underproof product enters into next process.
Preferably, first tooth sleeving temperature it is heated to when step E carries out Ageing Treatment 70 ~ 80 degree and is incubated 2 ~ 3 hours, tooth sleeving temperature being heated to 100 ~ 110 degree of insulations 2 ~ 3 hours the most again, finally temperature is heated to 120 ~ 125 degree of insulations 2 ~ 3 hours.
By technique scheme, by the method the most successively heated, tooth set is heated, it is to avoid Liao Chitao center and the generation of surface temperature uneven phenomenon, simultaneously the most also can time the internal different tissues structure of tooth set crystal obtain more preferable refining effect.More slowly also it is avoided that in heating process tooth set surface produces thicker oxide layer simultaneously during heating, causes the surplus of polish not enough or situation that pre-made allowance is bigger occurs, increase production cost.
Preferably, the driving cog in step E put tooth applies to be set on a driven shaft by tooth set during torque, and arranges the driving gear that a driving cog put with tooth is meshed, and controls to drive the rotating speed of gear to press SIN function operating.
Pass through technique scheme, gear is driven to press SIN function operating, there is when driving pinion rotation the acceleration of change always, and the driving cog that tooth puts and driving gear are meshed, so the driving cog that tooth puts also can be acted on by fluctuating acceleration, make to be constantly subjected on driving cog the effect of power, and by certain moment of torsion.The rotating speed driving gear presses the operating of forward function, and acceleration change is more mild, will not make to occur between driving gear and tooth set hard impact, cause gear failure.The rotating speed simultaneously driving gear does SIN function operating, first just forwarding maximum (top) speed to is gradually lowered rotating speed again, reversely rotate the most again, the tow sides of the most each driving cog can receive the effect of fluctuating acceleration, the more complete of internal stresses release between driving cog and tooth set can be made, to reduce in use because the deflection that produces of internal stress.
Preferably, tooth set surface is bounced in rotation process by the driving gear in described step E, and the driving cog making tooth put bears certain percussion.
Pass through technique scheme, drive the tooth on gear, in rotation process, the driving cog on tooth set is produced an effect bounced, tooth set is made to produce certain vibrations, the effect of the power that simultaneously has certain impact, operating mode during to imitate tooth set further in actual use by impacting, to promote the internal Stress Release of tooth set, to shorten the time of Ageing Treatment, the Stress Release in making tooth overlap more complete.
Preferably, in described step C, heat treatment includes carbo-nitriding, and the degree of depth of carbonitrided case is at 0.3 ~ 0.5mm.
By technique scheme, tooth can be made to overlap the higher hardness of surface acquisition, wearability, corrosion stability, bend strength and contact fatigue strength, preferably improve the robustness on tooth set surface.Carbo-nitriding treatment temperature simultaneously is low, the time is short, it is little to deform, higher relative to Carburization Treatment production efficiency, can save production cost.
Further object is that and a kind of Ageing Treatment machine produced for gear sleeve of automobile synchronizer is provided, tooth set can be carried out Ageing Treatment.
A kind of Ageing Treatment machine produced for automobile synchronizer, including casing, it is characterized in that: be provided with multiple heating chamber in casing, heating intracavity is equipped with power transmission shaft, it is arranged with the driving gear that the driving cog put with tooth engages on power transmission shaft, also includes the driven shaft for fixing tooth set.
Pass through technique scheme, heating chamber can be arranged to multiple different temperature as requested, then tooth set is set on driven shaft, and the driving cog making tooth put is meshed with driving gear, then rotating speed of transmission shaft is driven to do Double-directional rotary by SIN function by motor, so that tooth be enclosed within heating insulation while the driving cog that puts of tooth by certain moment of torsion effect, imitate the lock unit actually used operating mode in change speed gear box, make tooth set in due to forging and roughing process present in internal stress discharge, avoid tooth during being enclosed within the use of reality, to occur bigger deformation to cause at running in stage and bigger abrasion occurs, affect bulk life time.
Preferably, cabinet top is provided with slide rail, and slide rail is sliding combined with sliding frame, and driven shaft is rotatably connected on sliding frame.
By technique scheme, easily driven shaft can be moved to another heating chamber from a heating chamber, drive the tooth set being set on driven shaft to move to different heating intracavity, to reach tooth set is carried out the effect that different temperatures heats, is incubated simultaneously.
Preferably, it is provided with the solenoid for tooth set is heated outside described driven shaft and power transmission shaft.
By technique scheme, tooth set is heated by solenoid, and during heating, tooth set is heated the most uniform everywhere, it is simple to tooth set is inside and outside keeps stationary temperature.Can control, by the electric current controlled within solenoid, the magnetic field intensity that solenoid produces simultaneously, thus reach to control the effect of firing rate.Electromagnetic Heating thermal conversion efficiency is higher simultaneously, it is possible to reduce the loss produced when heating, reduces manufacturing cost.
Preferably, described driving gear is spaced hypodontia.
Pass through technique scheme, rotary shaft drives when driving pinion rotation, after the driving cog driving the tooth on gear and tooth to put is disengaged from state, tooth is enclosed within rotating speed under the effect of frictional force and reduces, and drive gear still to keep original rotating speed, when the next tooth and tooth set driving gear engages again, owing to driving the rotating speed rotating speed more than tooth set of gear, so driving gear can bounce on the driving cog surface of tooth set, tooth set is made to be impacted and produce certain vibrations, imitate the actual condition that tooth is enclosed within change speed gear box further, with the internal stress in release tooth set further.
In sum, what the present invention in contrast to prior art has the beneficial effect that by tooth set being carried out Ageing Treatment before polish, after heat treatment, and while tooth set is carried out Ageing Treatment, the driving cog on tooth set is applied certain moment of torsion, to imitate in tooth is enclosed within change speed gear box actual condition when working, the internal stress in tooth set is made to discharge as far as possible, cause, on tooth set, bigger abrasion occurs due to stress deformation at running in stage when avoiding working within this lock unit loads change speed gear box, affect the service life of lock unit.The finishing stage in the later stage that more fully also allows for of tooth set Stress Release improves the machining accuracy of tooth set simultaneously.Tooth set is preferably carried out Ageing Treatment by this technique by Ageing Treatment function simultaneously, makes the more thorough of the internal Stress Release of tooth set, it is to avoid cause bigger abrasion due to the reason bigger deformation of generation of internal stress at work.
Accompanying drawing explanation
Fig. 1 is the front view of tooth set；
Fig. 2 is the structural representation of embodiment two；
Fig. 3 is the structural representation at another visual angle in Fig. 2；
Fig. 4 is view when tooth set and driving gear engagement in embodiment two.
Reference: 1, driving cog；2, spline；3, casing；4, heating chamber；5, power transmission shaft；6, gear is driven；7, driven shaft；8, solenoid；9, sliding frame；10, slide rail；11, dividing plate.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
This specific embodiment is only explanation of the invention; it is not limitation of the present invention; the present embodiment can be made after reading this specification by those skilled in the art as required does not has the amendment of creative contribution, but as long as all being protected by Patent Law in scope of the presently claimed invention.
Embodiment one, the production technology of a kind of gear sleeve of automobile synchronizer:
The production technology of a kind of gear sleeve of automobile synchronizer, comprises the following steps:
A, blank to tooth set forge, and with the defect such as loose eliminating that tooth set raw material produces in smelting process, optimize heterogeneous microstructure, preserve complete metal streamline simultaneously, improve the blank performance that tooth overlaps.
B, blank to tooth set carry out roughing, are processed by the monnolithic case that tooth overlaps, tooth set draw internal spline 2, deburring, car fork slot, inserts external tooth external tooth carries out chamfering, three grooves in tooth angle, and milling in two ends；The surplus of about 0.1 ~ 0.2mm is all reserved so that the later stage carries out polish when tooth set is processed.
C, the tooth set after processing is carried out carbo-nitriding process, and controls the thickness of carbonitrided case at about 0.4mm, it is ensured that the later stage tooth set is carried out polish after tooth put the carbo-nitriding layer thickness still leaving about 0.2mm.
D, the tooth set after heat treatment is carried out Ageing Treatment, first tooth sleeving temperature it is progressively heated at 70 ~ 80 degree from room temperature when carrying out Ageing Treatment and is incubated 2.5 hours, 100 ~ 110 degree will be heated to through preliminarily heated tooth sleeving temperature the most again and be incubated 2.5 hours, and the most gradually temperature will be heated to 130 ~ 135 degree and is incubated 2.5 hours.While tooth set is heated, is incubated, tooth set is set on driven shaft 7, then the driving gear 6 engaged by arranging a driving cog put with tooth 1 drives tooth set to rotate, and applies torque by the driving cog 1 driving the tooth of gear 6 to transmit torque on the driving cog 1 that tooth puts.Drive and on gear 6, be connected with the servomotor driving gear 6 to rotate, the rotating speed of servomotor rotates according to SIN function, so drive gear 6 to have a rotation acceleration when rotating always, and acceleration is converting always, when the driving cog 1 driving gear 6 and tooth to put engages, the driving cog 1 driving the teeth directional tooth on gear 6 to put transmits an active force, and makes tooth set also have a rotation acceleration.So can make tooth set is carried out internal stress during Ageing Treatment under the effect of active force repeatedly to discharge faster, tooth set also can be made simultaneously to carry out during the process of this procedure and be more nearly the actual condition that tooth is enclosed within change speed gear box.It is the highest that indexing increase step by step is because temperature, and the deformability of metal is the best, and stepped heating is in order to avoid tooth set internal stress the most quickly discharges, and causes tooth set to produce excessive deflection, makes tooth set can not meet the requirement of later stage polish.For the impact suffered by the driving cog 1 that tooth when simulating lock unit gearshift further puts, driving compartment of terrain on gear 6 to remove a tooth, deliberately making driving gear 6 produce hypodontia phenomenon.So, can be acted on by frictional force due to tooth set when the driving cog 1 driving gear 6 and tooth to put just has departed from conflict, all velocities of rotation return decline, and drive gear 6 can remain the rotating speed of relative constancy always, when the driving cog 1 driving gear 6 to turn at hypodontia and next tooth and tooth put just comes into contact with, the driving cog 1 driving the tooth on gear 6 can put tooth produces a beating effect, tooth set is made to produce an instantaneous acceleration acting on by certain beating power, to improve the rotating speed of tooth set, produce certain vibrations simultaneously.So when tooth is enclosed within rotation can acting on by intermittent less impulsive force, actual condition when making during tooth set is heated, is incubated its situation about rotating more press close to its work.And the vibrations produced when clashing into also can promote the Stress Release within tooth set further, it is to avoid produces bigger deformation in actual use.
E, the tooth set after Ageing Treatment is carried out initial survey, if checking and whether having gross distortion or cracking phenomena to have between driving cog 1 and the tooth set that tooth puts, to choose, qualified product enters lower one program.
F, the tooth set through Wetted constructures is carried out polish；Shaving is carried out, to reach the size of regulation including the driving cog 1 that tooth is put.
G, the tooth set after polish is tested；
H, to check qualified tooth set be carried out, dry, assemble.
Embodiment two, a kind of Ageing Treatment machine produced for automobile synchronizer:
As shown in Figures 2 and 3, a kind of Ageing Treatment machine produced for automobile synchronizer, including casing 3, casing 3 is internal is hollow structure, and casing 3 side is provided with charging aperture, and casing 3 is provided with discharging opening relative to the side of charging aperture.Casing 3 is internal is divided into three heating chambeies 4, and the temperature in heating chamber 4 increases along charging aperture to discharging opening direction is stepped.Heating is equipped with a root power transmission shaft 5 in chamber 4, power transmission shaft 5 is arranged with one and drives gear 6.Drive compartment of terrain on gear 6 to remove a tooth, deliberately make driving gear 6 produce uniform hypodontia phenomenon.Power transmission shaft 5 is provided above the driven shaft 7 overlapped for sheathed tooth.Tooth set is set on driven shaft 7 and is meshed with driving gear 6 and transmits torque.So when servomotor drives power transmission shaft 5 to rotate according to SIN function, when driving gear 6 also to rotate according to SIN function, and drive tooth set to rotate simultaneously.Owing to when driving gear 6 to rotate, rotating speed rotates according to SIN function, so have rotation acceleration always, such tooth puts the driving cog 1 inconsistent with the tooth driven on gear 6 and also can be acted on by a change moment of torsion.Simultaneously as it is shown on figure 3, drive and be spaced uniform hypodontia on gear 6, drive the tooth on gear 6 driving cog 1 on tooth set can be taken turns generation impulsive force in rotation process, make tooth set speed change rotate, and produce vibration.This makes tooth be enclosed within to carry out being more nearly its actual condition in change speed gear box during Ageing Treatment so that it is internal stress discharges quickly, shortens time and the cost of Ageing Treatment, and improves the effect of Ageing Treatment.
Tooth set moves to another heating chamber 4 from a heating chamber 4 for convenience, at casing 3 top, one slide rail 10 is set, and the sliding frame 9 that is slidably matched on slide rail 10, sliding frame 9 length is less than the length in heating chamber 4, driven shaft 7 is rotatably connected on sliding frame 9, being provided with fixing seat on sliding frame 9, driven shaft 7 is plugged in fixing seat.When needs carry out Ageing Treatment to tooth set, as long as first being extracted out from fixing seat driven shaft 7 one end, then tooth set being inserted in power transmission shaft 5, then in driven shaft 7 is turned back to fixing seat, the fixing of tooth set can be realized.When tooth set is slided to next one heating chamber 4 by needs from a upper heating chamber 4, as long as promoting sliding frame 9 just can make it into easily in next heating chamber 4, carry out next step heating.It is provided with dividing plate, to avoid adjacent two heating chamber 4 heat mutually to transmit between heating chamber 4 and heating chamber 4.It is provided with the through hole passed through for sliding frame 9, to facilitate the movement of sliding frame 9 on heating chamber 4 simultaneously.
In order to improve the thermal efficiency, the solenoid 8 heating tooth set is set outside power transmission shaft 5 and driven shaft 7.By solenoid 8, tooth set is heated, the higher thermal efficiency can be obtained, the magnetic field intensity of solenoid 8 generation can be controlled easily by the size of current controlled within solenoid 8 simultaneously thus reach to control the purpose to tooth set firing rate.Tooth set can also be made to keep stationary temperature by the electric current controlled within solenoid 8 when tooth set is heated to predetermined temperature simultaneously.
The above is only the exemplary embodiment of the present invention, and not for limiting the scope of the invention, protection scope of the present invention is determined by appended claim.
Claims (9)
1. a production technology for gear sleeve of automobile synchronizer, comprises the following steps:
A, the blank overlapping tooth forge；
B, blank to tooth set carry out roughing, are processed by the monnolithic case that tooth overlaps, the driving cog (1) that puts including tooth, internal spline (2), fork slot, and reserve surplus to carry out polish；
C, to processing after tooth set carry out heat treatment；
D, the tooth set after heat treatment is carried out Ageing Treatment, while carrying out Ageing Treatment, the driving cog on tooth set is applied torque；
E, the tooth set after Ageing Treatment is carried out initial survey；
F, the tooth set through Wetted constructures is carried out polish；
G, the tooth set after polish is tested；
H, to check qualified tooth set be carried out, dry, assemble.
The production technology of a kind of gear sleeve of automobile synchronizer the most according to claim 1, it is characterized in that: first tooth sleeving temperature is heated to when step D carries out Ageing Treatment 70 ~ 80 degree and is incubated 2 ~ 3 hours, tooth sleeving temperature is heated to 100 ~ 110 degree of insulations 2 ~ 3 hours the most again, finally temperature is heated to 120 ~ 125 degree of insulations 2 ~ 3 hours.
The production technology of a kind of gear sleeve of automobile synchronizer the most according to claim 2, it is characterized in that: the driving cog (1) in step D put tooth applies to be set on a driven shaft (7) by tooth set during torque, and the driving gear (6) that a driving cog (1) put with tooth is meshed is set, control to drive the rotating speed of gear (6) to press SIN function operating.
The production technology of a kind of gear sleeve of automobile synchronizer the most according to claim 3, it is characterized in that: tooth set surface is bounced in rotation process by the driving gear (6) in described step D, and the driving cog (1) making tooth put bears certain percussion.
The production technology of a kind of gear sleeve of automobile synchronizer the most according to claim 4, is characterized in that: in described step C, heat treatment includes carbo-nitriding, and the degree of depth of carbonitrided case is at 0.3 ~ 0.5mm.
6. the Ageing Treatment machine produced for automobile synchronizer, including casing (3), it is characterized in that: in casing (3), be provided with multiple heating chamber (4), it is equipped with power transmission shaft (5) in heating chamber (4), it is arranged with the driving gear (6) that the driving cog (1) put with tooth engages on power transmission shaft (5), also includes the driven shaft (7) for fixing tooth set.
A kind of Ageing Treatment machine produced for automobile synchronizer the most according to claim 6, it is characterized in that: casing (3) top is provided with slide rail (10), being sliding combined with sliding frame (9) on slide rail (10), driven shaft (7) is rotatably connected on sliding frame (9).
A kind of Ageing Treatment machine produced for automobile synchronizer the most according to claim 6, is characterized in that: described driven shaft (7) and power transmission shaft (5) outside are provided with the solenoid (8) for heating tooth set.
A kind of Ageing Treatment machine produced for automobile synchronizer the most according to claim 6, is characterized in that: be spaced hypodontia on described driving gear (6).
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| CN201610625050.8A CN106002109B (en) | 2016-08-01 | 2016-08-01 | The production technology and timeliness processor of a kind of gear sleeve of automobile synchronizer |
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| CN201610625050.8A CN106002109B (en) | 2016-08-01 | 2016-08-01 | The production technology and timeliness processor of a kind of gear sleeve of automobile synchronizer |
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| CN106002109B CN106002109B (en) | 2018-01-16 |
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| CN204714856U (en) * | 2015-06-16 | 2015-10-21 | 成都润博科技有限公司 | A kind of ageing device regulating mechanism |
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