CN107983883A - A kind of processing technology of high intensity curved spring - Google Patents
A kind of processing technology of high intensity curved spring Download PDFInfo
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- CN107983883A CN107983883A CN201711254744.6A CN201711254744A CN107983883A CN 107983883 A CN107983883 A CN 107983883A CN 201711254744 A CN201711254744 A CN 201711254744A CN 107983883 A CN107983883 A CN 107983883A
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- China
- Prior art keywords
- spring
- high intensity
- processing technology
- curved spring
- ball blast
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F3/00—Coiling wire into particular forms
- B21F3/02—Coiling wire into particular forms helically
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F35/00—Making springs from wire
-
- 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
- C21D9/02—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for springs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Springs (AREA)
Abstract
The invention discloses a kind of processing technology of high intensity curved spring, belong to field of spring processing, its purpose is to provide a kind of processing technology of reliable and stable high intensity curved spring, including following process：The first step, selected material；Second step, wind spring, according to prefabricated height, outside diameter and the number of turns by steel wire embryo material both ends and tight, is wound into the helical spring of cylinder；3rd step, ageing treatment；4th step, polishes both ends of the spring；5th step, corrects spring；6th step, quenching；7th step, tempering；8th step, flaw detection；9th step, ball blast；Tenth step, fatigue life test.The beneficial effects of the invention are as follows：Ratio of briquetting effect is good, efficient, and molding spring-mass is good, and superperformance can be still kept in the case where bearing high intensity negative pressure.
Description
Technical field
The invention belongs to field of spring processing, more particularly to a kind of processing technology of high intensity curved spring.
Background technology
Spring is a kind of widely used flexible member, and either daily life or other many high-grade, precision and advanced fields all can
It is related to being applicable in for spring, requirement of the different fields for spring is also different.For example it is used for cylinder blow-off branch and manifold
Deng the spring in place, because the burning of cylinder fuel oil makes the temperature of exhaust pipe very high, enough high temperature resistants are necessarily required to
Spring competence exertion go out effective effect.The big machinery of long-term high loaded process is needed to set in addition, being assemblied in bullet train etc.
Standby upper spring is just required to bear the load of high intensity, if spring cannot be born, it will cause incalculable consequence.
Therefore, in the processing technology of spring, different improvement should just be carried out for different demands so that the spring produced
Work that can be effective and permanent.
General spring manufacturing process flow is to roll-break circle-grinding end face-correcting spring length-quenching-correction
Length-tempering-mechanical performance inspection-is halted processing-heating loading ageing treatment-fine grinding-inspection-sandblasting-magnetic powder
Flaw detection-sandblasting-surface treatment-heating loading ageing treatment-product inspection.The technological process is suitable for general spring,
If it is intended to so that the more prominent some flows for then needing improvement and reinforcement spring manufacturing process of some speciality of spring, make bullet
Spring possesses corresponding actual effect.
The content of the invention
It is an object of the invention to：A kind of processing technology of reliable and stable high intensity curved spring is provided.
The technical solution adopted by the present invention is as follows：
A kind of processing technology of high intensity curved spring, the processing technology include following process：
The first step, selected material；
Second step, wind spring, according to prefabricated height, outside diameter and the number of turns by steel wire embryo material both ends and tight, is wound into cylinder
It is spiral
Spring；
3rd step, ageing treatment；
4th step, polishes both ends of the spring；
5th step, corrects spring；
6th step, quenching；
7th step, tempering；
8th step, flaw detection；
9th step, ball blast；
Tenth step, fatigue life test；
Wherein, selected material is chrome-vanadium steel.
Wherein, between the temperature of the ageing treatment is 770~810 DEG C, when the time is 8~12 small.
Wherein, hardening heat control is between 950~1100 DEG C.
Wherein, temperature control is between 340~500 DEG C.
Wherein, a diameter of 0.6mm of the bullet of the ball blast, velocity of shot is 55~70m/s during injection, the ball blast when
Between be 15~20 minutes.
In conclusion by adopting the above-described technical solution, the beneficial effects of the invention are as follows：For manufacture high intensity distortion
Spring, the processing technology ratio of briquetting effect is good, and efficient, molding spring-mass is good, in the case where bearing high intensity negative pressure
Superperformance can still be kept.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, the present invention is carried out below further
Describe in detail.It should be appreciated that specific embodiment described herein is not intended to limit the present invention only to explain the present invention.
A kind of processing technology of high intensity curved spring, the processing technology include following process：
The first step, selected material, selected material are chrome-vanadium steel.
Second step, wind spring, according to prefabricated height, outside diameter and the number of turns by steel wire embryo material both ends and tight, is wound into cylinder
Helical spring, number of spring coils are 8 circles, and gap≤0.2mm between adjacent circle is enclosed at the end of the spring；
3rd step, ageing treatment, in ageing process, for control temperature between 770~810 DEG C, the time is 8~12
Hour.
4th step, polishes both ends of the spring, and mill spring is carried out using the steel sand of 0.5mm.
5th step, corrects spring, its length and concentricity is corrected.
6th step, quenching, is heated, in quenching process, hardening heat should be controlled 950~1100 in salt bath furnace
Between DEG C.
7th step, tempering, in drawing process, temperature is controlled between 340~500 DEG C.
8th step, flaw detection, using ultrasonic surface inspection technique, to the bullet of surface generation scuffing and cut in mechanical processing
Spring is sorted.
9th step, ball blast, during ball blast, a diameter of 0.6mm of bullet of the ball blast, velocity of shot is 55 during injection
~70m/s, the time of the ball blast is 15~20 minutes.
Tenth step, carries out fatigue life test.
Embodiment 1
The first step, selected material, selected material are chrome-vanadium steel.
Second step, wind spring, according to prefabricated height, outside diameter and the number of turns by steel wire embryo material both ends and tight, is wound into cylinder
Helical spring, number of spring coils are 8 circles, and gap≤0.2mm between adjacent circle is enclosed at the end of the spring；
3rd step, ageing treatment, in ageing process, controlled at 770 DEG C, when time setting 8 is small.
4th step, polishes both ends of the spring, and mill spring is carried out using the steel sand of 0.5mm.
5th step, corrects spring, its length and concentricity is corrected.
6th step, quenching, is heated, in quenching process, hardening heat should be controlled at 950 DEG C in salt bath furnace.
7th step, tempering, in drawing process, temperature is controlled at 340 DEG C.
8th step, flaw detection, using ultrasonic surface inspection technique, to the bullet of surface generation scuffing and cut in mechanical processing
Spring is sorted.
9th step, ball blast, during ball blast, a diameter of 0.6mm of bullet of the ball blast, velocity of shot is during injection
55m/s, the time of the ball blast is 15 minutes.
Tenth step, carries out fatigue life test.
Embodiment 2
The first step, selected material, selected material are chrome-vanadium steel.
Second step, wind spring, according to prefabricated height, outside diameter and the number of turns by steel wire embryo material both ends and tight, is wound into cylinder
Helical spring, number of spring coils are 8 circles, and gap≤0.2mm between adjacent circle is enclosed at the end of the spring；
3rd step, ageing treatment, in ageing process, control temperature is at 790 DEG C, when the time is 10 small.
4th step, polishes both ends of the spring, and mill spring is carried out using the steel sand of 0.5mm.
5th step, corrects spring, its length and concentricity is corrected.
6th step, quenching, is heated, in quenching process, hardening heat should be controlled at 1000 DEG C in salt bath furnace.
7th step, tempering, in drawing process, temperature is controlled at 420 DEG C.
8th step, flaw detection, using ultrasonic surface inspection technique, to the bullet of surface generation scuffing and cut in mechanical processing
Spring is sorted.
9th step, ball blast, during ball blast, a diameter of 0.6mm of bullet of the ball blast, velocity of shot is during injection
60m/s, the time of the ball blast is 18 minutes.
Tenth step, carries out fatigue life test.
Embodiment 3
The first step, selected material, selected material are chrome-vanadium steel.
Second step, wind spring, according to prefabricated height, outside diameter and the number of turns by steel wire embryo material both ends and tight, is wound into cylinder
Helical spring, number of spring coils are 8 circles, and gap≤0.2mm between adjacent circle is enclosed at the end of the spring；
3rd step, ageing treatment, in ageing process, control temperature is at 810 DEG C, when the time is 12 small.
4th step, polishes both ends of the spring, and mill spring is carried out using the steel sand of 0.5mm.
5th step, corrects spring, its length and concentricity is corrected.
6th step, quenching, is heated, in quenching process, hardening heat should be controlled at 1100 DEG C in salt bath furnace.
7th step, tempering, in drawing process, temperature is controlled at 500 DEG C.
8th step, flaw detection, using ultrasonic surface inspection technique, to the bullet of surface generation scuffing and cut in mechanical processing
Spring is sorted.
9th step, ball blast, during ball blast, a diameter of 0.6mm of bullet of the ball blast, velocity of shot is during injection
70m/s, the time of the ball blast is 20 minutes.
Tenth step, carries out fatigue life test.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (6)
- A kind of 1. processing technology of high intensity curved spring, it is characterised in that：The processing technology includes following process：The first step, selected material；Second step, wind spring, according to prefabricated height, outside diameter and the number of turns by steel wire embryo material both ends and tight, is wound into the spiral of cylinder Spring；3rd step, ageing treatment；4th step, polishes both ends of the spring；5th step, corrects spring；6th step, quenching；7th step, tempering；8th step, flaw detection；9th step, ball blast；Tenth step, fatigue life test.
- A kind of 2. processing technology of high intensity curved spring as claimed in claim 1, it is characterised in that：Selected material be Chrome-vanadium steel.
- A kind of 3. processing technology of high intensity curved spring as claimed in claim 1, it is characterised in that：The ageing treatment Between temperature is 770~810 DEG C, when the time is 8~12 small.
- A kind of 4. processing technology of high intensity curved spring as claimed in claim 1, it is characterised in that：Hardening heat control exists Between 950~1100 DEG C.
- A kind of 5. processing technology of high intensity curved spring as claimed in claim 1, it is characterised in that：Temperature control exists Between 340~500 DEG C.
- A kind of 6. processing technology of high intensity curved spring as claimed in claim 1, it is characterised in that：The bullet of the ball blast A diameter of 0.6mm, velocity of shot is 55~70m/s during injection, and the time of the ball blast is 15~20 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711254744.6A CN107983883A (en) | 2017-12-02 | 2017-12-02 | A kind of processing technology of high intensity curved spring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711254744.6A CN107983883A (en) | 2017-12-02 | 2017-12-02 | A kind of processing technology of high intensity curved spring |
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| Publication Number | Publication Date |
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| CN107983883A true CN107983883A (en) | 2018-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711254744.6A Pending CN107983883A (en) | 2017-12-02 | 2017-12-02 | A kind of processing technology of high intensity curved spring |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236909A (en) * | 2018-10-17 | 2019-01-18 | 罗永江 | A kind of flat wire support bullet spring and preparation method thereof |
| CN111014524A (en) * | 2019-12-18 | 2020-04-17 | 安庆谢德尔汽车零部件有限公司 | Manufacturing process of high-stress spring |
| CN111167979A (en) * | 2019-12-31 | 2020-05-19 | 江苏新华合金有限公司 | Trial production process of spring produced by using steel wire |
-
2017
- 2017-12-02 CN CN201711254744.6A patent/CN107983883A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236909A (en) * | 2018-10-17 | 2019-01-18 | 罗永江 | A kind of flat wire support bullet spring and preparation method thereof |
| CN111014524A (en) * | 2019-12-18 | 2020-04-17 | 安庆谢德尔汽车零部件有限公司 | Manufacturing process of high-stress spring |
| CN111014524B (en) * | 2019-12-18 | 2022-04-26 | 安庆谢德尔汽车零部件有限公司 | Manufacturing process of high-stress spring |
| CN111167979A (en) * | 2019-12-31 | 2020-05-19 | 江苏新华合金有限公司 | Trial production process of spring produced by using steel wire |
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Application publication date: 20180504 |