CN106755879A - Ball cage type retainer Technology for Heating Processing - Google Patents
Ball cage type retainer Technology for Heating Processing Download PDFInfo
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- CN106755879A CN106755879A CN201510802159.XA CN201510802159A CN106755879A CN 106755879 A CN106755879 A CN 106755879A CN 201510802159 A CN201510802159 A CN 201510802159A CN 106755879 A CN106755879 A CN 106755879A
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Abstract
Ball cage type retainer Technology for Heating Processing of the present invention is related to Field of Heat-treatment, and in particular to ball cage type retainer Technology for Heating Processing.Ball cage type retainer Technology for Heating Processing, it is characterised in that comprise the following steps：Ball cage type retainer has the following two kinds machining process route：Process route 1：Forging --- mechanical roughing --- quenching, tempering --- finishing --- finished product；Process route 2：Spheroidizing --- phospholeum --- cold extrusion --- machining --- carburizing and quenching, tempering --- machine finishing --- finished product；The difference for stating two kinds of process routes is that the molding mode of blank is different, and first is applied to hot forging, second suitable for cold extrusion processing, depending on being actually needed using appropriate process route；The present invention can guarantee that stable in quenching quality, and production efficiency is high, and can guarantee that good performance.
Description
Technical field
The present invention relates to Field of Heat-treatment, and in particular to ball cage type retainer Technology for Heating Processing.
Technical background
Ball cage type retainer is one of vital part of automobile Rzeppa constant velocity joint, and it includes concentric internal and external spherical surfaces, two parallel end faces,
There are 6~8 rectangular virtual aperture windows being uniformly distributed along the circumference in internal and external spherical surfaces, be respectively used to clamp steel ball, guide corner.The center of internal and external spherical surfaces
Overlapped with widthwise central, the end face that the both sides of some rectangular virtual aperture windows are parallel with two is parallel.Because the work of ball cage type retainer bears extremely complex
Alternate load, to ensure that it has enough reliabilities, service life and good toughness, it is necessary to use special Technology for Heating Processing.
The content of the invention
Ball cage type retainer requirement fenestra surface will have hardness high, good wearability, contact fatigue strength limit high etc., and ball cage type retainer is whole
Body should have high intensity and good tough, and the present invention provides one kind and can guarantee that stable in quenching quality, and production efficiency is high, and can guarantee that good
The ball cage type retainer Technology for Heating Processing of good performance.
Ball cage type retainer Technology for Heating Processing of the present invention, comprises the following steps：The first step, ball cage type retainer has the following two kinds machining process route：
Process route 1：Forging-mechanical roughing-quenching, tempering-finishing-finished product；
Process route 2：Spheroidizing-phospholeum-the carburizing and quenching of cold extrusion-machining one, the tempering finished product of one machine finishing one；State two kinds
The difference of process route is that the molding mode of blank is different, and first is applied to hot forging, suitable for cold extrusion processing, is adopted depending on being actually needed for second
With appropriate process route；
Second step, conditioning treatment uses normalizing process for process route in the first step 1, heating-up temperature be 920 DEG C extremely
970 DEG C, soaking time is 120 minutes, and the type of cooling is air cooling or air-cooled, and normalizing hardness is 170 to 217, and metallographic structure is uniform point
Ferrite and pearlite；Annealing process, heating-up temperature are used for middle process route 2 in the first step
760 DEG C, 300 minutes are incubated, 720 DEG C are as cold as soon and 300 minutes are incubated, be cooled to 650 DEG C and come out of the stove；3rd step, carburizing heat treatment,
The carburizing Equipment for Heating Processing of ball cage type retainer equally may be selected mult-purpose chamber furnace or push rod
Formula continuous acieration furnace, heating-up temperature is 920 DEG C to 940 DEG C, after being incubated through 210 minutes, starts carburizing, and continues 210 minutes,
Spread within 60 minutes, be cooled to 840 DEG C to 860 DEG C, and be incubated 3 minutes, then oil cooling；4th step, the quality inspection of heat treatment.
The present invention can guarantee that stable in quenching quality, and production efficiency is high, and can guarantee that good performance.
Specific embodiment
Ball cage type retainer Technology for Heating Processing of the present invention, comprises the following steps：The first step, ball cage type retainer has the following two kinds machining process route：
Process route 1：Forging-mechanical roughing-quenching, tempering-finishing-finished product；
Process route 2：Spheroidizing-phospholeum-the carburizing and quenching of cold extrusion-machining one, the tempering finished product of one machine finishing one；State two kinds
The difference of process route is that the molding mode of blank is different, and first is applied to hot forging, is applied to for second
Cold extrusion is processed, depending on being actually needed using appropriate process route.
Second step, conditioning treatment uses normalizing process for process route in the first step 1, and heating-up temperature is 920 DEG C to 970 DEG C, during insulation
Between be 120 minutes, the type of cooling is air cooling or air-cooled, and normalizing hardness is 170 to 217, and metallographic structure is uniform point of ferrite and pearly-lustre
Body；Ball cage type retainer carries out normalized treatment by being needed after warm forging, to obtain uniform tissue and suitable hardness, is easy to machining, full
Requirement of the follow-up carburizing heat treatment of foot to organizing.The blank of cold extrusion retainer is generally tubing, it is necessary to carry out soft before cold extrusion processing is carried out
Change heat treatment, in order to cold extrusion shaped.It is the cold formability shape for realizing needing, while can avoid producing the bad microscopic structures such as banding again
And have influence on follow-up final carburizing and quenching, softening heat treatment can use annealing process, by hardness after annealing be down to 160HBW with
Annealing process is used for middle process route 2 in the first step down, 760 DEG C of heating-up temperature is incubated 300 minutes, 720 DEG C are as cold as soon simultaneously
Insulation 300 minutes, is cooled to 650 DEG C and comes out of the stove.
3rd step, carburizing heat treatment, the carburizing Equipment for Heating Processing of ball cage type retainer equally may be selected mult-purpose chamber furnace or push-down continuous acieration furnace, heating
Temperature is 920 DEG C to 940 DEG C, after being incubated through 210 minutes, starts carburizing, and continues 210 minutes, is spread within 60 minutes, is cooled to 840
DEG C to 860 DEG C, and 3 minutes are incubated, then oil cooling.
4th step, the quality inspection of heat treatment.The selection of the inspection frequency, sample position and quantity should be able to reflect the total quality of each batch thermal
Situation.
The present invention can guarantee that stable in quenching quality, and production efficiency is high, and can guarantee that good performance.
Claims (1)
1. ball cage type retainer Technology for Heating Processing, it is characterised in that comprise the following steps：
The first step, ball cage type retainer has the following two kinds machining process route：
Process route 1：Forging-mechanical roughing-quenching, tempering-finishing-finished product；
Process route 2：Spheroidizing-phospholeum-the carburizing and quenching of cold extrusion-machining one, the tempering finished product of one machine finishing one；State two kinds
The difference of process route is that the molding mode of blank is different, and first is applied to hot forging, suitable for cold extrusion processing, is adopted depending on being actually needed for second
With appropriate process route；
Second step, conditioning treatment uses normalizing process for process route in the first step 1, and heating-up temperature is 920 DEG C to 970 DEG C, and soaking time is
120 minutes, the type of cooling was air cooling or air-cooled, and normalizing hardness is 170 to 217, and metallographic structure is uniform point of ferrite and pearlite；
Annealing process is used for middle process route 2 in the first step, 760 DEG C of heating-up temperature is incubated 300 minutes, 720 DEG C is as cold as soon and is incubated
300 minutes, it is cooled to 650 DEG C and comes out of the stove；3rd step, carburizing heat treatment, the carburizing Equipment for Heating Processing of ball cage type retainer equally may be selected box
Multipurpose furnace or push-down continuous acieration furnace, heating-up temperature are 920 DEG C to 940 DEG C, after being incubated through 210 minutes, start carburizing, and continue 210
Minute, spread within 60 minutes, 840 DEG C to 860 DEG C are cooled to, and 3 minutes are incubated, then oil cooling；4th step, the quality inspection of heat treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510802159.XA CN106755879A (en) | 2015-11-19 | 2015-11-19 | Ball cage type retainer Technology for Heating Processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510802159.XA CN106755879A (en) | 2015-11-19 | 2015-11-19 | Ball cage type retainer Technology for Heating Processing |
Publications (1)
| Publication Number | Publication Date |
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| CN106755879A true CN106755879A (en) | 2017-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510802159.XA Pending CN106755879A (en) | 2015-11-19 | 2015-11-19 | Ball cage type retainer Technology for Heating Processing |
Country Status (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113738780A (en) * | 2021-08-30 | 2021-12-03 | 杭州腾励传动科技股份有限公司 | Structural design method of high-strength retainer for ball cage type constant velocity universal joint |
| CN115570340A (en) * | 2022-09-23 | 2023-01-06 | 重庆旺德福机械有限公司 | Cold extrusion processing technology for bevel wheel |
-
2015
- 2015-11-19 CN CN201510802159.XA patent/CN106755879A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113738780A (en) * | 2021-08-30 | 2021-12-03 | 杭州腾励传动科技股份有限公司 | Structural design method of high-strength retainer for ball cage type constant velocity universal joint |
| CN113738780B (en) * | 2021-08-30 | 2022-06-17 | 杭州腾励传动科技股份有限公司 | Structural design method of high-strength retainer for ball cage type constant velocity universal joint |
| CN115570340A (en) * | 2022-09-23 | 2023-01-06 | 重庆旺德福机械有限公司 | Cold extrusion processing technology for bevel wheel |
| CN115570340B (en) * | 2022-09-23 | 2024-05-14 | 重庆旺德福机械有限公司 | Cold extrusion processing technology for bevel gear |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170531 |
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| WD01 | Invention patent application deemed withdrawn after publication |