CN104607880B - A kind of high temperature spring processing technology - Google Patents
A kind of high temperature spring processing technology Download PDFInfo
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- CN104607880B CN104607880B CN201510034391.3A CN201510034391A CN104607880B CN 104607880 B CN104607880 B CN 104607880B CN 201510034391 A CN201510034391 A CN 201510034391A CN 104607880 B CN104607880 B CN 104607880B
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- spring
- high temperature
- processing technology
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- ball blast
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat Treatment Of Steel (AREA)
- Springs (AREA)
Abstract
The present invention relates to a kind of processing technology of spring, high temperature spring processing technology of especially a kind of use on automobile exhaust pipe, the technique includes following process：The first step, selection detection, from Inconel x750 titanium alloy steel wires；Second step, wind spring；3rd step, Ageing Treatment；4th step, mill spring；5th step, flaw detection；6th step, high temperature are halted processing；7th step, ball blast；8th step, cleaning；9th step, packaging.After special thermal treatment, the high-quality spring produced can keep superperformance for a long time in the hot environment of 650 degree of highest.
Description
Technical field
The present invention relates to a kind of processing technology of spring, the processing of spring of especially a kind of use on automobile exhaust pipe
Technique.
Background technology
Cylinder blow-off branch and house steward are in automobilism because the burning of each cylinder fuel oil makes the temperature of blast pipe
Degree is very high, and Tail Pipe Temperature can reach 300 DEG C~400 DEG C Tail Pipe Temperatures when walking highway and can reach 400 DEG C when walking level road
~500 DEG C of Tail Pipe Temperatures when walking hill path can reach 500 DEG C~650 DEG C.
Spring must be used on automobile exhaust pipe, this spring is needed when operating temperature is long in the environment of 650 DEG C
Between keep good performance, and use the spring of existing fabrication process service life be shorter in this environment, effect
It is really poor.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of long-lived bullet of spring that can be allowed on automobile exhaust pipe
Spring processing technology.
In order to solve the above technical problems, the technical scheme is that：A kind of high temperature spring processing technology, it is characterised in that
Including following process：
The first step, selection detection, from Inconel x750 titanium alloy steel wires；
Second step, wind spring, by steel wire embryo material according to prefabricated height, external diameter and the number of turns, are wound into the helical spring of cylinder；
3rd step, Ageing Treatment；
4th step, mill spring, by the grinding two end surfaces of spring；
5th step, flaw detection；
6th step, high temperature are halted processing；
7th step, ball blast, using thickness ball blast twice, the diameter and intensity of first time ball blast are more than the diameter of the second ball blast
And intensity；
8th step, cleaning；
9th step, packaging.
Preferably, the temperature of the Ageing Treatment is between 760 DEG C~820 DEG C, the time is 7~14 hours.
Preferably, described high temperature halt processing be temperature be 580 DEG C~620 DEG C in the environment of pressure and 3~5 times.
Preferably, a diameter of 0.3~0.8mm of the bullet of the ball blast, velocity of shot is 50~84m/s during injection, described
The time of ball blast is 10~20 minutes.
Preferably, the mill spring grinds spring using 0.3~0.5mm steel sand.
Preferably, gap≤0.3mm between the end circle and adjacent circle of the spring.
Preferably, the bald spot of the both ends of the spring is not less than the 3/4 of whole circumference.
Preferably, the number of spring coils is 6 circles.
Preferably, the selection is diameter 1.2mm Inconel x750 titanium alloy steel wires.
The beneficial effects of the invention are as follows：Because spring uses Inconel x750 titanium alloy steel wires, by special thermal treatment
Afterwards, the high-quality spring produced can keep superperformance for a long time in the hot environment of 650 degree of highest.
Embodiment
Embodiment 1
The first step, the Inconel x750 titanium alloy steel wires for choosing qualified a diameter of 1.2mm；
Second step, wind spring：By steel wire embryo material according to prefabricated height, external diameter and the number of turns, the helical spring of cylinder is wound into,
Number of spring coils is 6 circles, gap≤0.3mm between the end circle and adjacent circle of the spring；
3rd step, Ageing Treatment：Temperature is between 760 DEG C, the time is 14 hours；
4th step, mill spring：Spring is ground using 0.3~0.5mm steel sand；
5th step, flaw detection：Using ultrasonic surface inspection technique, the bullet of scuffing and cut is produced to surface in machining
Spring is sorted；
6th step, high temperature are halted processing：Pressure simultaneously 3~5 times in the environment of temperature is 580 DEG C；
7th step, ball blast：Steel throwing pill strengthening is taken to handle, a diameter of 0.8mm of bullet of first time ball blast, second of throwing
The a diameter of 0.3mm of bullet of ball, the speed of bullet is 50m/s during injection, and the shot-peening time is 20 minutes；
8th step, cleaning；
9th step, test package：Exfactory inspection, packaging are carried out, and carries out mark.
Embodiment 2
The first step, the Inconel x750 titanium alloy steel wires for choosing qualified a diameter of 1.2mm；
Second step, wind spring：By steel wire embryo material according to prefabricated height, external diameter and the number of turns, the helical spring of cylinder is wound into,
Number of spring coils is 6 circles, gap≤0.3mm between the end circle and adjacent circle of the spring；
3rd step, Ageing Treatment：Temperature is between 820 DEG C, the time is 7 hours；
4th step, mill spring：Spring is ground using 0.3~0.5mm steel sand；
5th step, flaw detection：Using ultrasonic surface inspection technique, the bullet of scuffing and cut is produced to surface in machining
Spring is sorted；
6th step, high temperature are halted processing：Pressure simultaneously 3~5 times in the environment of temperature is 620 DEG C；
7th step, ball blast：Steel throwing pill strengthening is taken to handle, a diameter of 0.8mm of bullet of first time ball blast, second of throwing
The a diameter of 0.3mm of bullet of ball, the speed of bullet is 50m/s during injection, and the shot-peening time is 20 minutes；
8th step, cleaning；
9th step, test package：Exfactory inspection, packaging are carried out, and carries out mark.
Embodiment 3
The first step, the Inconel x750 titanium alloy steel wires for choosing qualified a diameter of 1.2mm；
Second step, wind spring：By steel wire embryo material according to prefabricated height, external diameter and the number of turns, the helical spring of cylinder is wound into,
Number of spring coils is 6 circles, gap≤0.3mm between the end circle and adjacent circle of the spring；
3rd step, Ageing Treatment：Temperature is between 790 DEG C, the time is 10 hours；
4th step, mill spring：Spring is ground using 0.3~0.5mm steel sand；
5th step, flaw detection：Using ultrasonic surface inspection technique, the bullet of scuffing and cut is produced to surface in machining
Spring is sorted；
6th step, high temperature are halted processing：Pressure simultaneously 3~5 times in the environment of temperature is 600 DEG C；
7th step, ball blast：Steel throwing pill strengthening is taken to handle, a diameter of 0.8mm of bullet of first time ball blast, second of throwing
The a diameter of 0.3mm of bullet of ball, the speed of bullet is 50m/s during injection, and the shot-peening time is 20 minutes；
8th step, cleaning；
9th step, test package：Exfactory inspection, packaging are carried out, and carries out mark.
Claims (9)
1. a kind of high temperature spring processing technology, it is characterised in that including following process：
The first step, selection detection, from Inconel x750 titanium alloy steel wires；
Second step, wind spring, by steel wire embryo material according to prefabricated height, external diameter and the number of turns, are wound into the helical spring of cylinder；
3rd step, Ageing Treatment；
4th step, mill spring, by the grinding two end surfaces of spring；
5th step, flaw detection；
6th step, high temperature are halted processing；
7th step, ball blast, using thickness ball blast twice, the diameter and intensity of first time ball blast are more than the diameter of the second ball blast and strong
Degree；
8th step, cleaning；
9th step, packaging.
2. high temperature spring processing technology according to claim 1, it is characterised in that：The temperature of the Ageing Treatment is 760
DEG C~820 DEG C between, the time be 7~14 hours.
3. high temperature spring processing technology according to claim 1 or 2, it is characterised in that：The processing of halting of described high temperature is
Pressure simultaneously 3~5 times in the environment of temperature is 580 DEG C~620 DEG C.
4. high temperature spring processing technology according to claim 1 or 2, it is characterised in that：The bullet of the ball blast is a diameter of
0.3~0.8mm, velocity of shot is 50~84m/s during injection, and the time of the ball blast is 10~20 minutes.
5. high temperature spring processing technology according to claim 1 or 2, it is characterised in that：The mill spring using 0.3~
0.5mm steel sand mill spring.
6. high temperature spring processing technology according to claim 1 or 2, it is characterised in that：The end circle of the spring and adjacent circle
Between gap≤0.3mm.
7. high temperature spring processing technology according to claim 1 or 2, it is characterised in that：The both ends of the spring polishes portion
Divide 3/4 not less than whole circumference.
8. high temperature spring processing technology according to claim 1 or 2, it is characterised in that：The number of spring coils is 6 circles.
9. high temperature spring processing technology according to claim 1 or 2, it is characterised in that：The selection is diameter 1.2mm's
Inconel x750 titanium alloy steel wires.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510034391.3A CN104607880B (en) | 2015-01-23 | 2015-01-23 | A kind of high temperature spring processing technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510034391.3A CN104607880B (en) | 2015-01-23 | 2015-01-23 | A kind of high temperature spring processing technology |
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| CN104607880A CN104607880A (en) | 2015-05-13 |
| CN104607880B true CN104607880B (en) | 2017-10-24 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111070104A (en) * | 2019-12-27 | 2020-04-28 | 安庆谢德尔汽车零部件有限公司 | Shot blasting treatment method for compression spring of transmission |
| CN111070103A (en) * | 2019-12-31 | 2020-04-28 | 安徽科蓝特铝业有限公司 | Surface shot blasting method without affecting surface integrity |
| CN111250631A (en) * | 2020-03-16 | 2020-06-09 | 沈阳飞机工业（集团）有限公司 | TB9 titanium alloy tension spring processing method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201382113Y (en) * | 2009-04-17 | 2010-01-13 | 宝鸡市三立有色金属有限责任公司 | Titanium alloy vehicle spring |
| CN102380755A (en) * | 2011-05-13 | 2012-03-21 | 龙德福 | Processing technique for pump-nozzle plunger spring of diesel engine |
| CN102847770A (en) * | 2012-08-28 | 2013-01-02 | 扬州恒旺五金机械有限公司 | Method for manufacturing titanium alloy sheet springs for smart drill pipes |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100563912C (en) * | 2007-10-18 | 2009-12-02 | 常州市铭锦弹簧有限公司 | Big linear diameter spring cold coiling processing technics |
| CN101439458B (en) * | 2007-11-20 | 2011-10-12 | 上海中国弹簧制造有限公司 | Process for manufacturing heavily stressed valve spring |
| US8308150B2 (en) * | 2009-06-17 | 2012-11-13 | Nhk Spring Co., Ltd. | Coil spring for vehicle suspension and method for manufacturing the same |
| CN102699624B (en) * | 2011-09-21 | 2014-07-09 | 杭州富春弹簧有限公司 | Spring manufacturing process |
| CN102699242B (en) * | 2012-04-13 | 2014-04-02 | 杭州富春弹簧有限公司 | Process for processing arc-shaped spring |
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- 2015-01-23 CN CN201510034391.3A patent/CN104607880B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201382113Y (en) * | 2009-04-17 | 2010-01-13 | 宝鸡市三立有色金属有限责任公司 | Titanium alloy vehicle spring |
| CN102380755A (en) * | 2011-05-13 | 2012-03-21 | 龙德福 | Processing technique for pump-nozzle plunger spring of diesel engine |
| CN102847770A (en) * | 2012-08-28 | 2013-01-02 | 扬州恒旺五金机械有限公司 | Method for manufacturing titanium alloy sheet springs for smart drill pipes |
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| CN104607880A (en) | 2015-05-13 |
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