CN104646956B - Process for machining ball cage bell-like shell - Google Patents
Process for machining ball cage bell-like shell Download PDFInfo
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- CN104646956B CN104646956B CN201410835804.3A CN201410835804A CN104646956B CN 104646956 B CN104646956 B CN 104646956B CN 201410835804 A CN201410835804 A CN 201410835804A CN 104646956 B CN104646956 B CN 104646956B
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Classifications
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- 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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- 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
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/11—Joints, e.g. ball joints, universal joints
-
- 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
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/50—Other automobile vehicle parts, i.e. manufactured in assembly lines
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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
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
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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
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/84—Shrouds, e.g. casings, covers; Sealing means specially adapted therefor
- F16D3/841—Open covers, e.g. guards for agricultural p.t.o. shafts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention provides a process for machining a ball cage bell-like shell and belongs to the technical field of machining. The problems of low machining production efficiency, poor performance and high machining cost of the current ball cage bell-like shell are solved. The process for machining the ball cage bell-like shell comprises the following steps of a, selecting materials; b, preprocessing the materials; c, performing annealing; d, performing direct extrusion to mold; e, drilling; f, performing reverse extrusion to mold; g, performing heat treatment; h, performing post treatment. A bell-like shell product manufactured by the process for machining the ball cage bell-like shell is stable in quality, high in production efficiency, short in production period, low in production cost and good in economy.
Description
Technical field
The invention belongs to machining technology field, is related to a kind of processing technique of cage clutch can.
Background technology
Cage is also referred to as constant velocity cardan joint, is the vitals in car drivetrain system, and its effect is by the dynamic of electromotor
Power is delivered to two front vehicle wheels from variator, drives car to run at high speed.Constant velocity joint types for car are a lot, wherein
Using it is most be Rzeppa constant velocity joint and triangle posture constant velocity cardan joint, it mainly have sliding sleeve, three-way axis, power transmission shaft,
The major parts such as inner race, retainer, clutch can are constituted.As constant velocity cardan joint transmits heavy driving moment, with by load
Weight, high transmission accuracy, demand are big, be safety member again, therefore its main part is processed using fine forge piece.
Clutch can is an important parts in cage, simultaneously because auto output is huge at present, therefore clutch can
Yield increases therewith.At present, the processing forging of clutch can is very universal in China, can so meet required precision, and
Manufacturing cost and cycle are reduced, while also complying with the trend of world today's development of manufacturing.
Existing clutch can production and processing technology mainly has two kinds：One kind is：1st, metal cutting process major axis；2nd, cutting adds
Major axis friction welding internal spherical cage blank after work；3rd, machining again is carried out after hot forging processing to internal spherical cage blank；4th, wedge is horizontal
Roll rear machining.Another kind is：Fracture → heating → shank open die forging pulling → jumping-up → inner chamber molding, it is annealed, then
Using the method for machine tooling, i.e.,：It is rough turn, rough mill, finish-milling, fine grinding.Above-mentioned processing technique, machine tool input are more, cut
Cut processing and waste metal material, labor productivity is low, long the production cycle, and processing cost is also high, the clutch can of processing
Performance in terms of the brothers such as intensity is also poor.
The content of the invention
The purpose of the present invention is there are the problems referred to above for existing technology, it is proposed that a kind of processing work of cage clutch can
Skill, the technical problem to be solved is：How to improve the production efficiency and performance of cage clutch can, reduction to be processed into
This.
The purpose of the present invention can be realized by following technical proposal：A kind of processing technique of cage clutch can, its feature
It is to comprise the following steps：
A, sorting：Metal club-shaped material is chosen, the length bar stock needed for intercepting；
B, pretreatment：Chamfered of driving a vehicle is entered at the two ends of the bar stock to intercepting；
C, annealing：Bar stock after process is made annealing treatment；
D, forward extrusion molding：Bar stock Jing after the process of step c is put in cold extrusion die carries out forward extrusion process,
Make bar stock formed between the column type bar section and three sections of bar sections that three sections of diameters and length differs in round platform
The changeover portion of shape；
E, drilling：The bar section being relatively large in diameter in aligning the stock after extrusion process carries out drilling process；
F, anti-extrusion：The above-mentioned blank carried out after drilling process is put in cold extrusion die carries out backward extrusion process
Form clutch can blank；
G, heat treatment：Heat treatment is carried out to the clutch can blank after molding；
H, post processing：Pay-off is sent into by the clutch can blank after heat treatment and carry out in positioning tool turning, polishing
Process, after then carrying out surface sand-blasting, phosphatization, saponification and surface antirust treatment again, obtain clutch can finished product.
Car chamfered in step b can be more convenient the carrying out of follow-up forward extrusion molding, beneficial to the shortening production cycle,
Improve efficiency.And bar stock is annealed, it is to by the organization softening inside bar stock, make workpiece material more equal
It is even, residual stress is eliminated, stable dimensions reduce deformation and crackle tendency so as to be not easily broken in cold extrusion, increase finished product
Rate, reduces cost, and the high efficiency that improve production also simultaneously to a certain extent of the qualification rate of product.The drilling of step e
Process is the carrying out for the ease of follow-up anti-extrusion, relative that anti-extrusion is carried out in pieces of bar stock directly with existing
The tubular inner chamber enhanced convenience of clutch can is quick, and production efficiency is high, and, first drilled, then carried out follow-up backward extrusion
The tubular inner chamber of moulding moulded clutch can, relative to existing anti-extrusion clutch can is carried out in pieces of bar stock directly
Tubular cavity position is more accurate, and the performance of the cage of processing is more preferable.Forward extrusion simultaneously and backward extrusion adopt cold-stamped
Mode, cold extruding technique are a kind of vanguard technology technologies of high-precision, efficient, high quality and low cost, relatively with existing forge hot, temperature
Forging process is compared, and can be saved material 30%～50%, energy-conservation 40%～80%, improve production efficiency, and can be improved forging matter
Amount, improves working environment.Heat treatment, be in order that the clutch can blank intensity after cold extrusion is higher, lifted its mechanics, physics and
Chemical property.And follow-up sandblasting, phosphatization, saponification and surface antirust treatment can provide protection to clutch can, in certain journey
Prevent metal to be corroded on degree, reduce noise, be which has longer service life.
Stablized using the cage clutch can product quality that this processing technique is produced, production efficiency is improved, the production cycle is shorter,
A large amount of processing methods using machine tooling after forge hot are instead of, the workload of machine tooling is reduced, is met world today's system
Make the trend of industry development.
In the processing technique of above-mentioned cage clutch can, the bar stock to intercepting in step a is first carried out at deburring
Reason.In step a, after intercepting bar stock from club-shaped material, it is possible to remain burr on bar stock.And in cold extrusion work
In sequence, need first bar stock is placed on lower mould, go up mould afterwards and push, by workpiece extrusion molding.If band is jagged
Bar stock is placed on lower mould, may be placed uneven, be caused bar stock to be subject to crushing, or even damage machine.Therefore, through going
Bar stock after burr process more stable can be placed on the mould of cold extrusion machine, so as to ensure the non-defective unit of work pieces process
Rate.
In the processing technique of above-mentioned cage clutch can, the detailed process of the annealing in step c is：1st, will
Temperature is gradually increased to 500～600 DEG C in being put into annealing furnace by bar stock, and the persistent period is 1～2h；2nd, it is incubated 0.3～0.5h
After continue for temperature to be gradually increased to 700～800 DEG C, the persistent period be 2～4h；3rd, temperature is gradually dropped after being incubated 0.3～0.5h
To 660～700 DEG C, continue 1～2h；4th, go out after temperature is gradually decreased to 250～300 DEG C again after being naturally cooling to 400～500 DEG C
Stove, the process continue 0.8～1.5h.
Annealing is a vital link in the processing of this technique, and which directly influences the matter of workpiece after follow-up cold extrusion
Amount, can be more uniform by the organization softening inside bar stock using above-mentioned annealing way, more conducively cold extrusion shaped, carries
High production efficiency, the quality and better performances of the product of following process reduce percent defective, it is ensured that relatively low production into
This.
As preferably in the processing technique of above-mentioned cage clutch can, in the step 2 first in 0.7～1.5h by temperature
Degree is gradually increased to 600～650 DEG C, and temperature is gradually increased to 700～800 DEG C in 1～2h again after 0.3～0.5h of insulation.Heat up
Carried out using two different time periods heating rate different with holding, the best results of annealing enable to bar stock
Internal organization softening is more uniformly distributed.
In the processing technique of above-mentioned cage clutch can, the blank Jing after the forward extrusion molding of step d is put into into jumping-up recessed
Local compression jumping-up process is carried out in mould.Jumping-up is referred to and blank is highly reduced and the operation of diameter increase with pressure, just will squeeze
The blank for having pressed is immediately placed in jumping-up die, in the mold cavity of closing, is carried out local compression jumping-up, is formed clutch can
Bar portion and blank pan portion.
In the processing technique of above-mentioned cage clutch can, the boring aperture size in step e is this section of bar
The 1/4～1/3 of diameter.Die head carries out anti-extrusion process in stretching into the hole, relative to existing directly in warm forging mould
Carry out to pieces of bar stock in tool that cold extrusion shaped, the required production cycle is shorter, production efficiency is higher, and boring aperture is at this
In the range of application, the carrying out that anti-extrusion is processed can either be beneficial to, while in turn ensure that clutch can after anti-extrusion
The performance parameters such as intensity.
In the processing technique of above-mentioned cage clutch can, the detailed process of the heat treatment in step g is：First to cold
Clutch can blank after extrusion molding is cleaned, and is then carried out Quenching Treatment, then is cooled down, and is tempered after cleaning again
Process, cooled down again.Quenching Treatment can greatly improve the rigid of clutch can, hardness, wearability, fatigue strength and tough
Property etc., so as to meet the different use requirements of various machine components and instrument.And be tempered can be reduced or eliminated quenching after it is bell
Internal stress in shell, reduces its hardness and intensity, to improve its ductility or toughness.
In the processing technique of above-mentioned cage clutch can, the Quenching Treatment detailed process is：Clutch can blank is existed
0.5～1h of quenching is carried out at a high temperature of 750～850 DEG C, room temperature is then quickly cooled to, the speed of cooling is 200～300 DEG C/
s；The temper detailed process is：Clutch can blank after quenched process is tempered at 120～150 DEG C and is incubated 0.5
～0.8h, is subsequently cooled to room temperature.Used as further preferably, the temperature of quenching is 850 DEG C, and rate of cooling is 300 DEG C/s, is returned
The temperature of fire is 130 DEG C.Coordinated by tempering of the quenching with different temperatures, intensity, the toughness of clutch can be increased substantially
And fatigue strength, and the cooperation between these performances can be obtained to meet different use requirements.And the temperature for quenching and being tempered
With time control within the scope of application, it is be can achieve the effect that optimal.
In the processing technique of above-mentioned cage clutch can, the detailed process of phosphatization, saponification process in step h
For：Clutch can blank after process is carried out into 5～10min of pickling, temperature is controlled for 40～60 DEG C；Then with clear water rinsing 1～
2min；After the completion of carry out 6～10min of bonderizing again, control temperature for 75～85 DEG C；Saponification process is carried out again after clear water rinsing
7～10min, controls temperature for 80～85 DEG C.Saponification and bonderizing directly affect the performance for using of clutch can and use
Life-span.Using the clutch can after this PROCESS FOR TREATMENT, noise is less in use, good corrosion resistance, long service life.
Compared with prior art, the processing technique of this cage clutch can has advantages below：Cage clutch can product quality
Stable, production efficiency is improved, the production cycle is shorter, be instead of a large amount of processing methods using machine tooling after forge hot, is reduced
The workload of machine tooling, low production cost, good economy performance.
Description of the drawings
Fig. 1 is the flow chart of the processing technique of this cage clutch can.
Fig. 2 is the metamorphosis figure of the processing of book cage clutch can.
Specific embodiment
The following is the specific embodiment of the present invention and combine accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
Embodiment one
As shown in figure 1, the processing technique of this cage clutch can is comprised the following steps：
First, carry out sorting：Metal club-shaped material is chosen, the length bar stock needed for intercepting, the bar material of selection
Diameter and the length of pieces of bar stock of intercepting can be according to needed for the size of the clutch can of processing selecting, the rod of intercepting
Material blank as shown in the 1st width figures of Fig. 2,
Secondly, carry out pretreatment：Bar stock to intercepting carries out deburring process so that bar stock can be more stable
It is placed on the mould of cold extrusion machine, so as to ensure the yields of work pieces process.Complete after above-mentioned process again to bar stock
Two ends enter chamfered of driving a vehicle, the pieces of bar stock of gained is as shown in the 2nd width figures of Fig. 2.
Annealing：Bar stock is put in annealing furnace temperature is gradually increased to into 500 DEG C, the persistent period is 2h；Then
0.5h is incubated at such a temperature, temperature is gradually increased to into 650 DEG C in 0.7h first then, and is incubated 0.5h at such a temperature, then
Temperature is gradually increased to into 800 DEG C in 2h.Temperature is gradually decreased to into 700 DEG C subsequently, continues 2h；Then by being naturally cooling to
Come out of the stove after temperature is gradually decreased to 250 DEG C again after 500 DEG C, the process continues 1.5h.Inside the bar stock for making annealing treatment
Organization softening, material evenly, eliminates residual stress, stabilizes size, reduces deformation and crackle tendency so as in cold-extruded
Be not easily broken during pressure, increase yield rate, reduce cost, and the qualification rate of product it is high simultaneously also to a certain extent improve life
The efficiency of product.
Then carry out forward extrusion molding：Bar stock after process is put in cold extrusion die carries out forward extrusion process,
Make bar stock formed between the column type bar section and three sections of bar sections that three sections of diameters and length differs in round platform
The changeover portion of shape, the shape of the pieces of bar stock after process is as shown in the 3rd width figures of Fig. 2.Forward extrusion adopts cold-stamped mode, relatively
Compared with existing forge hot, warm forging technique, material 30%～50% can be saved, energy-conservation 40%～80%, improve production efficiency, and
Forging quality can be improved, improves working environment.
Carry out jumping-up process：Blank after forward extrusion molding is put in jumping-up die carries out local compression jumping-up process,
The bar portion and blank pan portion of clutch can are formed, the blank form after the completion of process is as shown in the 4th width figures of Fig. 2.
Carry out drilling process：Bar section to being relatively large in diameter in stock after jumping-up process carries out drilling process；Boring aperture
Size is the 1/4～1/3 of the diameter of this section of bar.Drilling processes the carrying out for being conducive to subsequent production, required production week
Phase is shorter, and production efficiency is higher, can either be beneficial to the carrying out that anti-extrusion is processed, while in turn ensure that clock after anti-extrusion
The performance parameters such as the intensity of shape shell.The form of the blank after drilling process is as shown in the 5th width figures of Fig. 2.
Anti-extrusion：The above-mentioned blank carried out after drilling process is put in cold extrusion die carries out backward extrusion process shape
Into clutch can blank.Die head carries out anti-extrusion process in stretching into the hole, relative to existing direct right in Warm Forging Die
Pieces of bar stock carries out that cold extrusion shaped, the required production cycle is shorter, and production efficiency is higher.And backward extrusion adopts cold-stamped
Mode, it is relative compared with existing forge hot, warm forging technique, material 30%～50% can be saved, energy-conservation 40%～80% improves production
Efficiency, and forging quality can be improved, improve working environment, the form of the clutch can blank after anti-extrusion process
As shown in the 6th accompanying drawings of Fig. 2.
Then, heat treatment is carried out to the clutch can blank after molding：First the clutch can blank after cold extrusion shaped is carried out
Clutch can blank then at a high temperature of 850 DEG C is carried out quenching 1h, is then quickly cooled to room temperature, the speed of cooling by cleaning
For 300 DEG C/s, the clutch can blank after cleaning again be tempered at 120 DEG C and is incubated 0.8h, is subsequently cooled to room temperature.By quenching
Tempering with different temperatures coordinates, and can increase substantially intensity, toughness and the fatigue strength of clutch can, and can obtain these property
Cooperation between energy is meeting different use requirements.
Post processing is carried out to obtained clutch can：Pay-off is sent into into positioning tool by the clutch can blank after heat treatment
In carry out turning, grinding process, obtain clutch can after then carrying out surface sand-blasting, phosphatization, saponification and surface antirust treatment again
Finished product.Phosphatization, the detailed process of saponification are that the clutch can blank after process is carried out 5～10min of pickling, control temperature for 40～
60℃；Then 1～2min is rinsed with clear water；After the completion of carry out 6～10min of bonderizing again, control temperature for 75～85 DEG C；Clearly
7～10min of saponification process is carried out again after water rinsing, controls temperature for 80～85 DEG C.
Cage clutch can product hardness obtained in this processing technique is 280HB, grain size is more than 6 grades, tensile strength is
1600N/mm2, crushing strength be 60MPa, steady quality, production efficiency are improved, the production cycle is shorter, be instead of a large amount of after forge hot
Using the processing method of machine tooling, the workload of machine tooling, low production cost, good economy performance are reduced.
Embodiment two
The processing technique of the cage clutch can of the present embodiment is essentially identical with embodiment one, and its difference is：Annealing
Process：Bar stock is put in annealing furnace temperature is gradually increased to into 600 DEG C, the persistent period is 1h；Then protect at such a temperature
Then temperature first in 1h is gradually increased to 600 DEG C, and is incubated 0.3h at such a temperature by warm 0.3h, then in the 1h by temperature by
Edge up to 700 DEG C.Temperature is gradually decreased to into 660 DEG C subsequently, continues 1h；Then by being naturally cooling to temperature after 400 DEG C again
Degree is come out of the stove after being gradually decreased to 300 DEG C, and the process continues 0.8h.
Heat treatment：First the clutch can blank after cold extrusion shaped is cleaned, then by clutch can blank at 750 DEG C
Quenching 0.5h is carried out under high temperature, room temperature is then quickly cooled to, the speed of cooling is 200 DEG C/s, again the clutch can after cleaning
Blank is tempered insulation 0.5h at 150 DEG C, is subsequently cooled to room temperature.
Cage clutch can product hardness obtained in this processing technique is 275HB, grain size is more than 6 grades, tensile strength is
1700N/mm2, crushing strength be 57MPa, steady quality, production efficiency are improved, the production cycle is shorter, be instead of a large amount of after forge hot
Using the processing method of machine tooling, the workload of machine tooling, low production cost, good economy performance are reduced.
Embodiment three
The processing technique of the cage clutch can of the present embodiment is essentially identical with embodiment one, and its difference is：Annealing
Process：Bar stock is put in annealing furnace temperature is gradually increased to into 550 DEG C, the persistent period is 1.5h；Then at such a temperature
Then temperature first in 1.1h is gradually increased to 625 DEG C, and is incubated 0.4h at such a temperature by insulation 0.4h, then will in 1.5h
Temperature is gradually increased to 750 DEG C.Temperature is gradually decreased to into 680 DEG C subsequently, continues 1.5h；Then by being naturally cooling to 450 DEG C
Come out of the stove after temperature is gradually decreased to 275 DEG C again afterwards, the process continues 0.8h.
Heat treatment：First the clutch can blank after cold extrusion shaped is cleaned, then by clutch can blank at 800 DEG C
Quenching 0.75h is carried out under high temperature, room temperature is then quickly cooled to, the speed of cooling is 250 DEG C/s, again the clutch can after cleaning
Blank is tempered insulation 0.6h at 135 DEG C, is subsequently cooled to room temperature.
Cage clutch can product hardness obtained in this processing technique is 300HB, grain size is more than 6 grades, tensile strength is
1580N/mm2, crushing strength be 58MPa, steady quality, production efficiency are improved, the production cycle is shorter, be instead of a large amount of after forge hot
Using the processing method of machine tooling, the workload of machine tooling, low production cost, good economy performance are reduced.
Specific embodiment described herein is only explanation for example spiritual to the present invention.Technology neck belonging to of the invention
The technical staff in domain can be made various modifications or supplement or replaced using similar mode to described specific embodiment
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Claims (8)
1. a kind of processing technique of cage clutch can, it is characterised in that comprise the following steps：
A, sorting：Metal club-shaped material is chosen, the length bar stock needed for intercepting；
B, pretreatment：Chamfered of driving a vehicle is entered at the two ends of the bar stock to intercepting；
C, annealing：Bar stock after process is made annealing treatment；
D, forward extrusion molding：Bar stock Jing after the process of step c is put in cold extrusion die carries out forward extrusion process, makes rod
Between column type bar section that material stock form three sections of diameters and length differ and three sections of bar sections in round table-like
Changeover portion；
E, drilling：The bar section being relatively large in diameter in aligning the stock after extrusion process carries out drilling process；
F, anti-extrusion：The above-mentioned blank carried out after drilling process is put in cold extrusion die to carry out backward extrusion process and is formed
Clutch can blank；
G, heat treatment：Heat treatment is carried out to the clutch can blank after molding；
H, post processing：Clutch can blank after heat treatment is sent into pay-off in positioning tool carries out turning, grinding process,
Then clutch can finished product is obtained after carrying out surface sand-blasting, phosphatization, saponification and surface antirust treatment again；
Bar stock to intercepting in step a first carries out deburring process；
The detailed process of the annealing in step c is：1st, bar stock is put in annealing furnace and temperature is gradually increased to
500～600 DEG C, the persistent period is 1～2h；2nd, continue for temperature to be gradually increased to 700～800 DEG C after being incubated 0.3～0.5h, continue
Time is 2～4h；3rd, temperature is gradually decreased to into 660～700 DEG C after being incubated 0.3～0.5h, continues 1～2h；4th, it is naturally cooling to
Come out of the stove after temperature is gradually decreased to 250～300 DEG C again after 400～500 DEG C, the process continues 0.8～1.5h.
2. the processing technique of cage clutch can according to claim 1, it is characterised in that in the step 2 first 0.7～
Temperature is gradually increased to into 600～650 DEG C in 1.5h, temperature is gradually increased to into 700 in 1～2h again after 0.3～0.5h of insulation～
800℃。
3. the processing technique of cage clutch can according to claim 1, it is characterised in that by Jing step d forward extrusion molding
Blank afterwards carries out local compression jumping-up process in being put into jumping-up die.
4. the processing technique of cage clutch can according to claim 1, it is characterised in that the drilling hole in step e
Footpath size is the 1/4～1/3 of the diameter of this section of bar.
5. the processing technique of cage clutch can according to claim 1, it is characterised in that described
The detailed process of the heat treatment in step g is：First the clutch can blank after cold extrusion shaped is cleaned, is then carried out
Quenching Treatment, then cooled down, temper is carried out after cleaning again, cooled down again.
6. the processing technique of cage clutch can according to claim 5, it is characterised in that the Quenching Treatment detailed process
For：Clutch can blank is carried out into 0.5～1h of quenching at a high temperature of 750～850 DEG C, room temperature is then quickly cooled to, cooling
Speed is 200～300 DEG C/s；The temper detailed process is：By the clutch can blank after quenched process 120～
At 150 DEG C, 0.5～0.8h of tempering insulation, is subsequently cooled to room temperature.
7. the processing technique of cage clutch can according to claim 6, it is characterised in that the temperature of the quenching is 850
DEG C, rate of cooling is 300 DEG C/s, and the temperature of tempering is 130 DEG C.
8. the processing technique of cage clutch can according to claim 1 and 2, it is characterised in that the phosphorus in step h
Change, the detailed process of saponification process is：Clutch can blank after process is carried out into 5～10min of pickling, temperature is controlled for 40～60
℃；Then 1～2min is rinsed with clear water；After the completion of carry out 6～10min of bonderizing again, control temperature for 75～85 DEG C；Clear water
Carry out 7～10min of saponification process after rinsing again, temperature is controlled for 80～85 DEG C.
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| CN201410835804.3A CN104646956B (en) | 2014-12-29 | 2014-12-29 | Process for machining ball cage bell-like shell |
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| CN201410835804.3A CN104646956B (en) | 2014-12-29 | 2014-12-29 | Process for machining ball cage bell-like shell |
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| CN104646956B true CN104646956B (en) | 2017-04-12 |
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| CN104972284A (en) * | 2015-07-06 | 2015-10-14 | 安徽索特汽车零部件有限公司 | Process for producing automobile outer cage |
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| CN202174201U (en) * | 2011-07-06 | 2012-03-28 | 江苏威鹰机械有限公司 | Warm forging and finish forging die for ball basket universal joint bell housing |
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