CN106002109B - The production technology and timeliness processor of a kind of gear sleeve of automobile synchronizer - Google Patents
The production technology and timeliness processor of a kind of gear sleeve of automobile synchronizer Download PDFInfo
- Publication number
- CN106002109B CN106002109B CN201610625050.8A CN201610625050A CN106002109B CN 106002109 B CN106002109 B CN 106002109B CN 201610625050 A CN201610625050 A CN 201610625050A CN 106002109 B CN106002109 B CN 106002109B
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- Prior art keywords
- tooth
- tooth set
- ageing treatment
- drive gear
- driving cog
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 238000005516 engineering process Methods 0.000 title claims abstract description 14
- 230000032683 aging Effects 0.000 claims abstract description 39
- 238000010438 heat treatment Methods 0.000 claims abstract description 37
- 238000000034 method Methods 0.000 claims abstract description 15
- 230000008569 process Effects 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims description 17
- 206010055001 Hypodontia Diseases 0.000 claims description 6
- 206010002583 anodontia Diseases 0.000 claims description 6
- 230000005213 hypodontia Effects 0.000 claims description 6
- 201000006680 tooth agenesis Diseases 0.000 claims description 6
- 238000005256 carbonitriding Methods 0.000 claims description 5
- 238000007689 inspection Methods 0.000 claims description 3
- 230000035882 stress Effects 0.000 abstract description 25
- 230000000694 effects Effects 0.000 description 13
- 230000001133 acceleration Effects 0.000 description 9
- 238000005299 abrasion Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 238000010009 beating Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000007812 deficiency 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
- 208000003941 Impacted Tooth Diseases 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect 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
- 230000007423 decrease Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004088 simulation 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
-
- 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
-
- 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
Ageing Treatment machine the invention discloses the production technology of gear sleeve of automobile synchronizer and for the technique.The production technology of the gear sleeve of automobile synchronizer roughing with heat treatment after add together with Ageing Treatment process, and moment of torsion is applied to the driving cog on tooth set in Ageing Treatment, to promote the stress release inside tooth set, tooth set is finished after Ageing Treatment simultaneously, tooth set is met design requirement.Ageing Treatment function for the technique preferably carries out Ageing Treatment according to above-mentioned technique to tooth set to synchronizer gear sleeve, improves the speed of Ageing Treatment and makes the more complete of the stress release inside tooth set.
Description
Technical field
The present invention relates to synchronizer production technology, at the production technology and timeliness of more particularly to a kind of gear sleeve of automobile synchronizer
Reason machine.
Background technology
Synchronizer is one of critical piece in automobile gearbox, needs to realize two by synchronizer during automobile gear shift
Shelves be between smooth conversion.Temperature of the automobile when in use in gearbox is higher, while between tooth hub and the tooth set of synchronizer
Larger moment of torsion can be transmitted, this can cause synchronizer to wear.As shown in figure 1, tooth set is thin wall component, on its outer surface
Being provided with driving cog inner surface setting has spline, because tooth sleeve wall thickness is relatively thin, while can be by larger impulsive force in gearshift
Effect, so being more prone to wear relative to tooth hub.It is more serious that abrasion occurs in actual use for synchronizer
Stage typically when new car running in stage and distance travelled are close to service life.Because tooth hub and the tooth set of synchronizer are general all
By forging, certain residual stress can be left inside it, new car running in stage due to by larger moment of torsion and higher
Temperature action, the residual stress inside synchronizer can gradually discharge, make the tooth of synchronizer cover occur between tooth hub it is micro
Deformation, cause more serious abrasion occurs between tooth hub and tooth set, after the residual stress in synchronizer discharges completely substantially,
Normal wearing stage is entered between the two, and now automobilism is the most stable, and operating characteristics is best.
At present, Publication No. CN101058887A Chinese patent is disclosed at a kind of automobile gear shifting box synchronizer gear sheath heat
Science and engineering skill, it includes carbo-nitriding, pressure is quenched, is tempered, detecting.Although this heat treatment process for automobile gear shifting box synchronizer gear sheath is logical
Overheating Treatment can improve the intensity and service life of synchronizer, but not carried out for the stress inside synchronizer preferable
Eliminate, cause synchronizer that larger deformation can occur during just beginning to use, easily ground between tooth hub and tooth set
Damage, reduce the service life and stability of synchronizer.
The content of the invention
In view of the deficienciess of the prior art, first purpose of the present invention is to provide a kind of gear sleeve of automobile synchronizer
Production technology, it can preferably reduce the internal stress inside the synchronizer gear sleeve produced.
The present invention above-mentioned technical purpose technical scheme is that：A kind of gear sleeve of automobile synchronizer
Production technology, comprise the following steps：
A, the blank of tooth set is forged；
B, to tooth set blank carry out roughing, by tooth cover monnolithic case process, including tooth put driving cog,
Internal spline, fork slot, and surplus is reserved to be finished；
C, the tooth set after processing is heat-treated；
D, Ageing Treatment is carried out to the tooth set after heat treatment, the driving cog on tooth set applied while Ageing Treatment is carried out
Add torque；
E, initial survey is carried out to the tooth set after Ageing Treatment；
F, the tooth set through Wetted constructures is finished；
G, the tooth set after finishing is tested；
H, the tooth set qualified to inspection is cleaned, dried, assembled.
Pass through above-mentioned technical proposal, the tooth set after to roughing and heat treatment carry out Ageing Treatment, while when entering
Apply certain torque on driving cog while effect processing, to imitate the work of synchronizer in gearbox in actual use
Make environment, so that the internal stress that tooth is put discharges in advance, avoid being transferred to tooth set when being used in gearbox after completion of processing
Inside also has larger internal stress, causes synchronizer that larger abrasion occurs in running in stage, causes transmission tooth surface to be broken
It is bad, reduce service life.Before being arranged on finishing due to Ageing Treatment, so even if certain deformation occurs for tooth set surface
And abrasion, the precision that by the finishing in later stage tooth can also cover are guaranteed, and reduce defect rate.So become when tooth is enclosed on loading
When break-in occurring when in fast case, the degree being worn is smaller, reduces the abrasion of running in stage, adds physical life.Simultaneously
Relative to the common artificial aging processing that workpiece heat is stood to 100 ~ 150 degree and is kept for 5 ~ 20 hours, in Ageing Treatment
The driving cog put simultaneously to tooth applies certain moment of torsion, and tooth can on the one hand be enclosed on and carries out producing one when Ageing Treatment
Fixed vibrations, further reduce the internal stress that tooth is put；On the other hand, if crack or larger stress collection on driving cog be present
Middle phenomenon can also be exposed during Ageing Treatment is carried out, and avoid underproof product from entering next process.
Preferably, carry out that tooth sleeving temperature first is heated into 70 ~ 80 degree and is incubated 2 ~ 3 hours during Ageing Treatment in step E, so
Tooth sleeving temperature is heated to 100 ~ 110 degree again afterwards and is incubated 2 ~ 3 hours, it is small that temperature finally is heated into 120 ~ 125 degree of insulations 2 ~ 3
When.
Pass through above-mentioned technical proposal, tooth set is heated by the method slowly successively heated, avoided in tooth set
The generation of the heart and surface temperature uneven phenomenon, at the same also can when the internal different tissues structure of tooth set crystal preferably refined
Effect.More slowly also it is avoided that in heating process tooth set surface produces thicker oxide layer, causes finishing when heating simultaneously
The situation that the surplus deficiency or reserved margin of work are larger occurs, and increases production cost.
Preferably, tooth set is set on a driven shaft by the driving cog put in step E to tooth when applying torque, and is set
A drive gear being meshed with the driving cog that tooth is put is put, controls the rotating speed of drive gear to be operated by SIN function.
Pass through above-mentioned technical proposal, drive gear are operated by SIN function, have change when drive gear rotates always
Acceleration, and driving cog and drive gear that tooth is put are meshed, so the driving cog that tooth is put also can be by fluctuating acceleration
Effect, makes the effect that power is constantly subjected on driving cog, and by certain moment of torsion.The rotating speed of drive gear is transported by positive function
Turn, acceleration change is more gentle, will not make hard impact occurs between drive gear and tooth set, cause gear failure.Drive simultaneously
The rotating speed of moving gear does SIN function operating, and first just going to maximum (top) speed gradually reduces rotating speed again, then reversely rotates again, this
The tow sides of each driving cog of sample can receive the effect of fluctuating acceleration, can release the internal stress between driving cog and tooth set
What is put is more complete, to reduce in use because deflection caused by internal stress.
Preferably, the drive gear in the step E flops in rotation process to tooth set surface, makes what tooth was put
Driving cog bears certain percussion.
Pass through above-mentioned technical proposal, the tooth on drive gear produce a bat in rotation process to the driving cog on tooth set
The effect hit, tooth set is produced certain vibrations, while the effect for the power that has certain impact, reality is enclosed on further to imitate tooth
Operating mode when being impacted during the use of border, to promote the stress release inside tooth set, to shorten the time of Ageing Treatment, make
Tooth set in stress release it is more complete.
Preferably, heat treatment includes carbo-nitriding in the step C, and the depth of carbonitrided case is in 0.3 ~ 0.5mm.
Pass through above-mentioned technical proposal, tooth set surface can be made to obtain higher hardness, wearability, corrosion stability, bending strength
And contact fatigue strength, preferably improve the robustness that tooth covers surface.Carbo-nitriding treatment temperature is low, the time is short simultaneously, becomes
Shape is small, higher relative to Carburization Treatment production efficiency, can save production cost.
, can be right it is another object of the present invention to provide a kind of Ageing Treatment machine for gear sleeve of automobile synchronizer production
Tooth set carries out Ageing Treatment.
A kind of Ageing Treatment machine for gear sleeve of automobile synchronizer production, including casing, it is characterized in that：It is provided with casing
Multiple heating chambers, power transmission shaft is equipped with heating chamber, the drive gear engaged with the driving cog that tooth is put is arranged with power transmission shaft,
Also include the driven shaft for being used for fixing tooth set.
Pass through above-mentioned technical proposal, heating chamber can be arranged to multiple different temperature, then by tooth set as requested
Set is set on driven shaft, and driving cog that tooth puts and drive gear is meshed, and then drives rotating speed of transmission shaft by motor
Double-directional rotary is done by SIN function, so that the driving cog that tooth is put while tooth is enclosed on the insulation of heating is made by certain moment of torsion
With imitating actual use operating mode of the synchronizer in gearbox, make in tooth set due in existing during forging and roughing
Portion's stress release comes out, avoid tooth be enclosed on during actual use occur larger deformation cause to occur in running in stage it is larger
Abrasion, influence bulk life time.
Preferably, cabinet top is provided with slide rail, and sliding rack is sliding combined with slide rail, and driven shaft is rotatably connected on sliding
On frame.
Pass through above-mentioned technical proposal, driven shaft easily can be moved to another heating chamber from a heating chamber, together
When drive the tooth set that is set on driven shaft to be moved in different heating chambers, carry out different temperatures to reach to cover tooth and add
Heat, the effect of insulation.
Preferably, the magnet coil for being heated to tooth set is provided with the outside of the driven shaft and power transmission shaft.
Pass through above-mentioned technical proposal, tooth set are heated by magnet coil, and tooth set is heated more uniform everywhere during heating,
It is easy to tooth set is inside and outside to keep stationary temperature.Simultaneously by controlling the i.e. controllable magnet coil of the electric current inside magnet coil to produce
Magnetic field intensity, so as to have the function that control firing rate.Electromagnetic Heating thermal conversion efficiency is higher simultaneously, it is possible to reduce is adding
It is lost caused by hot, reduces manufacturing cost.
Preferably, it is spaced hypodontia on the drive gear.
When Pass through above-mentioned technical proposal, rotary shaft drive the drive gear to rotate, biography that tooth and tooth on drive gear are put
Tooth is enclosed on rotating speed reduction in the presence of frictional force after moving teeth is disengaged from state, and drive gear still keeps original rotating speed,
When next tooth and the tooth set of drive gear engage again, because the rotating speed of drive gear is more than the rotating speed of tooth set, so driving
Moving gear can flop the transmission tooth surface in tooth set, impacted tooth set and produce certain vibrations, further imitate tooth set
Actual condition in gearbox, further to discharge the internal stress in tooth set.
In summary, having the beneficial effect that in contrast to prior art of the invention：By before finishing, after heat treatment
Tooth is covered and carries out Ageing Treatment, and certain torsion is applied to the driving cog on tooth set while being covered to tooth and carrying out Ageing Treatment
Square, actual condition when being worked in gearbox is enclosed on to imitate tooth, make tooth cover in internal stress discharge as far as possible, avoid
Larger abrasion, shadow occurs because stress deformation causes tooth to cover in running in stage when the synchronizer loads in gearbox and worked
Ring the service life of synchronizer.The finishing stage more fully also allowed in the later stage of tooth set stress release improves tooth set simultaneously
Machining accuracy.While tooth set is preferably carried out Ageing Treatment by Ageing Treatment function by this technique, makes answering inside tooth set
Power release more thoroughly, avoid larger deformation occurs due to internal stress at work causing larger mill occurs
Damage.
Brief description of the drawings
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 drive gear engage in embodiment two.
Reference：1st, driving cog；2nd, spline；3rd, casing；4th, heating chamber；5th, power transmission shaft；6th, drive gear；7th, it is driven
Axle；8th, magnet coil；9th, sliding rack；10th, slide rail；11st, dividing plate.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
This specific embodiment is only explanation of the invention, and it is not limitation of the present invention, people in the art
Member can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but as long as at this
All protected in the right of invention by Patent Law.
Embodiment one, a kind of production technology of gear sleeve of automobile synchronizer：
A kind of production technology of gear sleeve of automobile synchronizer, comprises the following steps：
A, the blank of tooth set is forged, it is excellent to eliminate the defects of tooth set raw material is caused loose in smelting process
Change heterogeneous microstructure, while preserve complete metal streamline, improve the blank performance of tooth set.
B, roughing is carried out to the blank of tooth set, the monnolithic case that tooth covers is processed, drawing internal spline is carried out to tooth set
2nd, deburring, car fork slot, insert external tooth and to external tooth carry out chamfering, tooth angle in both ends, and three groove in milling；Packed into tooth
0.1 ~ 0.2mm or so surplus is reserved so that the later stage is finished during row processing.
C, carbo-nitriding processing is carried out to the tooth set after processing, and controls the thickness of carbonitrided case in 0.4mm or so, guarantor
Tooth puts the carbonitrided case thickness for still leaving 0.2mm or so after the card later stage finishes to tooth set.
D, Ageing Treatment is carried out to the tooth set after heat treatment, first gradually add tooth sleeving temperature from normal temperature during Ageing Treatment
Heat is to 70 ~ 80 degree and is incubated 2.5 hours, then will be heated to 100 ~ 110 degree of insulations 2.5 by preliminarily heated tooth sleeving temperature again
Hour, temperature is gradually finally heated to 130 ~ 135 degree again and is incubated 2.5 hours.Will while tooth set is heated, is incubated
Tooth set is set on driven shaft 7, then by setting a drive gear 6 engaged with the driving cog 1 that tooth is put with moving teeth set
Rotate, the driving cog 1 transmitted torque to by the tooth of drive gear 6 on the driving cog 1 that tooth puts applies torque.Drive gear
The servomotor that driving drive gear 6 rotates is connected with 6, the rotating speed of servomotor rotates according to SIN function, such sliding tooth
Wheel 6 has a rotation acceleration always when rotating, and acceleration is converting always, the transmission that drive gear 6 and tooth are put
When tooth 1 engages, the driving cog 1 that the teeth directional tooth on drive gear 6 is put transmits an active force, and tooth set is also had one and turn
Dynamic acceleration.So when that can make to cover progress Ageing Treatment to tooth in the presence of active force repeatedly, internal stress discharges more
It hurry up, while tooth set is more nearly the actual condition that tooth is enclosed in gearbox when carrying out procedure processing.Indexing is step by step
Increase is that the deformability of metal is better because temperature is higher, and stepped heating is in order to avoid tooth covers internal stress higher
At a temperature of quick release, cause tooth set to produce excessive deflection, prevent tooth set from meeting the requirement of later stage finishing.In order to enter
The impact suffered by driving cog 1 that tooth is put when one step simulation synchronizer is shifted gears, compartment of terrain removes one on drive gear 6
Tooth, drive gear 6 is deliberately set to produce hypodontia phenomenon.So, when the driving cog 1 that drive gear 6 and tooth are put, which just departs from, to be contradicted
Because tooth set can be acted on by frictional force, all velocities of rotation can decline, and drive gear 6 can remain relative constancy always
Rotating speed, when drive gear 6, which turns over driving cog 1 that at hypodontia and next tooth and tooth are put, just starts contact, sliding tooth
The driving cog 1 that tooth on wheel 6 can be put to tooth produces a beating effect, tooth set is produced an instantaneous acceleration and by one
The effect of fixed beating power, to improve the rotating speed of tooth set, while produce certain vibrations.Can be by so when tooth is enclosed on rotation
The effect of intermittent less impulsive force, its situation about rotating during tooth set is heated, is incubated is set more to stick on
Actual condition during its nearly work.And vibrations caused by hitting also can further promote the stress release inside tooth set, keep away
Exempt to produce larger deformation in actual use.
E, initial survey is carried out to the tooth set after Ageing Treatment, whether check has seriously between driving cog 1 and tooth set that tooth is put
Deformation or cracking phenomena are chosen if having, and qualified product enters lower one of program.
F, the tooth set through Wetted constructures is finished；Driving cog 1 including being put to tooth carries out shaving, to reach
Defined size.
G, the tooth set after finishing is tested；
H, the tooth set qualified to inspection is cleaned, dried, assembled.
Embodiment two, a kind of Ageing Treatment machine for gear sleeve of automobile synchronizer production：
As shown in Figures 2 and 3, a kind of Ageing Treatment machine for gear sleeve of automobile synchronizer production, including casing 3, casing 3
Inside is hollow structure, and the side of casing 3 is provided with charging aperture, and casing 3 is provided with discharging opening relative to the side of charging aperture.Casing
It is divided into three heating chambers 4 inside 3, the temperature of heating chamber 4 increases along charging aperture to discharging opening direction is stepped.In heating chamber 4
A root power transmission shaft 5 is equipped with, a drive gear 6 is arranged with power transmission shaft 5.A tooth is removed in compartment of terrain on drive gear 6,
Drive gear 6 is deliberately set to produce uniform hypodontia phenomenon.The top of power transmission shaft 5 is provided with the driven shaft 7 for being arranged tooth set.Tooth set set
It is located on driven shaft 7 and is meshed with drive gear 6 and transmits torque.So when servomotor drives power transmission shaft 5 according to sine
When function rotates, drive gear 6 also rotates according to SIN function simultaneously when, and cover and rotate with moving teeth.Because drive gear 6 rotates
When rotating speed rotated according to SIN function, so having rotation acceleration always, such tooth is put to offset with the tooth on drive gear 6
Tactile driving cog 1 also can be become moment of torsion by one and be acted on.Simultaneously as shown in figure 3, being spaced uniform hypodontia on drive gear 6,
The wheel of driving cog 1 that tooth in rotation process on drive gear 6 can be put to tooth produces impulsive force, rotates tooth set speed change, and produce
Raw vibration.This makes tooth be more nearly its actual condition in gearbox when being enclosed on progress Ageing Treatment, makes its internal stress
Quickly discharge, shorten time and the cost of Ageing Treatment, and improve the effect of Ageing Treatment.
Another heating chamber 4 is moved to from a heating chamber 4 in order to facilitate tooth set, one slide rail is set at the top of casing 3
10, and the sliding rack 9 that is slidably matched on slide rail 10, the length of sliding rack 9 are less than the length of heating chamber 4, driven shaft 7 is rotatably connected on
In sliding rack 9, fixed seat is provided with sliding rack 9, driven shaft 7 is plugged in fixed seat.Carried out when needing to cover tooth at timeliness
During reason, as long as first extracting the one end of driven shaft 7 from fixed seat out, tooth set is then inserted in driven shaft 7, then by driven shaft 7
Turn back in fixed seat, you can realize the fixation of tooth set.When needing to slide tooth set to next heating chamber from a upper heating chamber 4
When 4, as long as promoting the can of sliding rack 9 easily to make it into next heating chamber 4, next step heating is carried out.Heating
Dividing plate is provided between chamber 4 and heating chamber 4, to avoid two adjacent heats of heating chamber 4 from mutually transmitting.Simultaneously in heating chamber 4
The through hole passed through for sliding rack 9 is provided with, to facilitate the movement of sliding rack 9.
In order to improve the thermal efficiency, the magnet coil 8 heated to tooth set is set in power transmission shaft 5 and the outside of driven shaft 7.It is logical
Cross magnet coil 8 to heat tooth set, the higher thermal efficiency can be obtained, while by controlling the electric current inside magnet coil 8
Size can easily control magnetic field intensity caused by magnet coil 8 so as to reach purpose of the control to tooth set firing rate.Together
When tooth set is heated to predetermined temperature can also by control the electric current inside magnet coil 8 make tooth set keep it is constant
Temperature.
Described above is only the exemplary embodiment of the present invention, not for limiting the scope of the invention, this hair
Bright protection domain is determined by appended claim.
Claims (4)
1. a kind of production technology of gear sleeve of automobile synchronizer, comprises the following steps：
A, the blank of tooth set is forged；
B, roughing is carried out to the blank of tooth set, the monnolithic case that tooth covers is processed, including driving cog (1) that tooth is put,
Internal spline (2), fork slot, and surplus is reserved to be finished；
C, the tooth set after processing is heat-treated；
D, Ageing Treatment is carried out to the tooth set after heat treatment, the driving cog on tooth set is applied while Ageing Treatment is carried out and turned
Square；
E, initial survey is carried out to the tooth set after Ageing Treatment；
F, the tooth set through Wetted constructures is finished；
G, the tooth set after finishing is tested；
H, the tooth set qualified to inspection is cleaned, dried, assembled;
Carry out that tooth sleeving temperature first is heated into 70 ~ 80 degree and is incubated 2 ~ 3 hours during Ageing Treatment in step D, then again by tooth set
Temperature is heated to 100 ~ 110 degree and is incubated 2 ~ 3 hours, and temperature finally is heated into 120 ~ 125 degree is incubated 2 ~ 3 hours;
Tooth set is set on a driven shaft (7) by the driving cog (1) put in step D to tooth when applying torque, and sets one
The drive gear (6) that the driving cog (1) that individual and tooth is put is meshed, the rotating speed of control drive gear (6) are operated by SIN function.
2. a kind of production technology of gear sleeve of automobile synchronizer according to claim 1, it is characterized in that：In the step D
Drive gear (6) flops in rotation process to tooth set surface, and the driving cog (1) for putting tooth bears certain impact and made
With.
3. a kind of production technology of gear sleeve of automobile synchronizer according to claim 2, it is characterized in that：It is hot in the step C
Processing includes carbo-nitriding, and the depth of carbonitrided case is in 0.3 ~ 0.5mm.
4. a kind of Ageing Treatment machine for gear sleeve of automobile synchronizer production, including casing (3), it is characterized in that：Set in casing (3)
Multiple heating chambers (4) are equipped with, are equipped with power transmission shaft (5) in heating chamber (4), power transmission shaft is arranged with the transmission put with tooth on (5)
The drive gear (6) of tooth (1) engagement, in addition to the driven shaft (7) for fixing tooth set；
Slide rail (10) is provided with the top of casing (3), sliding rack (9), driven shaft (7) rotation connection are sliding combined with slide rail (10)
In sliding rack (9)；
The magnet coil (8) for being heated to tooth set is provided with the outside of the driven shaft (7) and power transmission shaft (5)；
Hypodontia is spaced on the drive 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 true CN106002109B (en) | 2018-01-16 |
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| CN204039452U (en) * | 2014-07-14 | 2014-12-24 | 大连圣洁真空技术开发有限公司 | The quenching device of annular element |
| 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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| JP3319398B2 (en) * | 1998-07-15 | 2002-08-26 | 住友金属工業株式会社 | Horizontal pickling equipment |
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| CN102528405A (en) * | 2012-01-12 | 2012-07-04 | 张强辉 | Process for machining thin-walled precision internally-toothed sleeve with flange, cone and transition ring |
| CN202968647U (en) * | 2012-11-28 | 2013-06-05 | 重庆亚宸汽车零部件有限公司 | Automobile EPS (electric power steering) axial stress relieving equipment |
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| CN103464983A (en) * | 2013-09-18 | 2013-12-25 | 江国辉 | Machining process for differential lock gear sleeve |
| CN204022898U (en) * | 2014-07-02 | 2014-12-17 | 泉州市鲤城鸿达机械有限公司 | A kind of gear ring heat-treating apparatus |
| CN204039452U (en) * | 2014-07-14 | 2014-12-24 | 大连圣洁真空技术开发有限公司 | The quenching device of annular element |
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