CN102489943A - Method for manufacturing waved springs - Google Patents

Method for manufacturing waved springs Download PDF

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Publication number
CN102489943A
CN102489943A CN2011103846278A CN201110384627A CN102489943A CN 102489943 A CN102489943 A CN 102489943A CN 2011103846278 A CN2011103846278 A CN 2011103846278A CN 201110384627 A CN201110384627 A CN 201110384627A CN 102489943 A CN102489943 A CN 102489943A
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China
Prior art keywords
spring
blank
vacuum
finished product
semi
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Pending
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CN2011103846278A
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Chinese (zh)
Inventor
胡杨
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Guizhou Honglin Machinery Co Ltd
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Guizhou Honglin Machinery Co Ltd
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Priority to CN2011103846278A priority Critical patent/CN102489943A/en
Publication of CN102489943A publication Critical patent/CN102489943A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a method for manufacturing waved springs, which belongs to a spring manufacturing method, and aims to provide a waved-spring manufacturing method. The method comprises the following steps of: cutting an alloy spring steel plate (brand No.: 60 Si2MnA) into circular ring blanks, and ensuring that the inner diameter of each blank is greater than 0.04% of the inner diameter of the waved spring, and the outer diameter of the blank is greater than 0.06% of the outer diameter of the waved spring; punching each blank into a wave shape, and ensuring that the wave shape height of a semi-finished product is greater than 0.06% of the free height of the waved spring; carrying out vacuum quenching and vacuum tempering on the semi-finished product, so that the semi-finished product meets the hardness requirements of the waved spring, wherein the quenching temperature is 850-870 DEG C, the heat preservation time is 20-40 min, the vacuum degree is less than or equal to 13 Pa, the heating rate is 10-20 DEG C per minute, and the quenching medium is oil, the tempering temperature is 440-480 DEG C, the heat preservation time is 30-60 min, and the vacuum degree is less than or equal to 13 Pa. The method disclosed by the invention is a waved spring manufacturing method which has the advantages of high qualified rate of products and low cost and the like.

Description

Make the method for wavy spring
Technical field
The present invention relates to a kind of method of making spring, relate in particular to a kind of method of making wavy spring.
Background technology:Wavy spring is a kind of flexible member that on circular metal, has several peak valleys, and its size and elastic force required precision are higher.Its manufacturing approach normally earlier becomes circular blank with metallic plate punching, utilizes mould along circumferential direction punching press wave-like then, makes it to have rebound performance through Overheating Treatment at last.At present, the wavy spring material therefor generally all is that the trade mark is the spring steel of 0Cr17Ni4AlA, and not only cost is higher; And owing to receive the combined influence of factors such as material, die mould technology and heat treatment, product percent of pass is lower.
Summary of the invention:In order to overcome the defective that exists in the prior art, the present invention aims to provide the method for a kind of low cost of manufacture, manufacturing wavy spring that qualification rate is high.
To achieve these goals, the technical scheme that the present invention adopts comprises blanking, punching press waveform and heat treatment step, and concrete steps are following:
1) be that the alloy spring steel plate of 60Si2MnA cuts into circular blank with the trade mark, guarantee this blank internal diameter greater than wavy spring internal diameter 0.04%, guarantee that this blank external diameter is greater than wavy spring external diameter 0.06%;
2) blank is struck out waveform, get semi-finished product, guarantee that semi-finished product waveform height is greater than wavy spring free height 0.06%;
3) above-mentioned semi-finished product are carried out vacuum hardening and vacuum tempering, guarantee that the hardness after the heat treatment reaches the wavy spring requirement; Wherein, hardening heat is that 860 ± 10 ℃, temperature retention time are 20~40min, vacuum for≤13Pa, heating rate are that 15 ± 5 ℃/min, hardening media are oil, and temperature is that to be 30~60min, vacuum be≤13Pa for 460 ± 20 ℃, temperature retention time.
With prior art relatively, the present invention has been owing to adopted technique scheme, therefore has low cost of manufacture, advantage that qualification rate is high, concrete analysis as follows:
1. the alloy spring steel that with the trade mark is 60Si2MnA substitutes the 0Cr17Ni4AlA spring steel, can reduce cost significantly.
2. adopt the line cutting mode to substitute the stamping-out moulding and obtain circular blank; Overcome mould and after stamping-out repeatedly, caused the inside and outside footpath of blank size decreases because of wearing and tearing; Core rod because of casted die mould hinders the stretcher strain contraction of the inside and outside footpath of blank in compacting waveform operation thereby cause, and finally causes the defective of blank fracture.
3. adopted vacuum hardening and vacuum tempering operation, can improve wavy spring toughness, overcome the prior heat treatment method and made defectives such as the distortion of wavy spring product is big, fatigue life is short.
Description of drawings:
The structural representation of Fig. 1 specification wavy spring;
Fig. 2 is the vertical view of Fig. 1.
The specific embodiment:Combining before accompanying drawing and concrete embodiment be described further the present invention below; Earlier product structure, product quality are required to do simple declaration: product is the wavy spring with three crests, trough; Internal diameter is that 43.5 ㎜, external diameter are that 50.5 ㎜, thickness are 0.3 ㎜, and hardness is HRC45~51, and the spring free height is 7.5 ㎜; Maximum elastic force value was that 40N, minimum elastic force value are 35N when spring was compressed to 2.3 ㎜, surface plating 0.005~0.015 ㎜ hard chrome.
Embodiment 1
1) is that 60Si2MnA, thickness are that the alloy spring steel plate of 0.3 ㎜ cuts into circular blank as shown in Figure 2 with wire cutting machine with the trade mark, guarantees that this blank internal diameter is 43.517 ㎜, guarantees that this blank external diameter is 50.5303 ㎜;
2) blank is struck out waveform as shown in Figure 1, get semi-finished product, guarantee that semi-finished product waveform height is 7.505 ㎜;
3) above-mentioned semi-finished product are lain against carry out vacuum hardening and vacuum tempering in the vacuum drying oven, guarantee that the hardness after the heat treatment reaches the wavy spring requirement; Wherein, hardening heat is that 860 ± 10 ℃, temperature retention time are 20~40min, vacuum for≤13Pa, heating rate are that 15 ± 5 ℃/min, hardening media are oil, and temperature is that to be 30~60min, vacuum be≤13Pa for 460 ± 20 ℃, temperature retention time.
The semi-finished product that 4) will pass through vacuum hardening and vacuum tempering carry out electropolishing, plate 0.005~0.015 ㎜ hard chrome then and get final product.

Claims (1)

1. a method of making wavy spring comprises blanking, punching press waveform and heat treatment step; It is characterized in that concrete steps are following:
1) be that the alloy spring steel plate of 60Si2MnA cuts into circular blank with the trade mark, guarantee this blank internal diameter greater than wavy spring internal diameter 0.04%, guarantee that this blank external diameter is greater than wavy spring external diameter 0.06%;
2) blank is struck out waveform, get semi-finished product, guarantee that semi-finished product waveform height is greater than wavy spring free height 0.06%;
3) above-mentioned semi-finished product are carried out vacuum hardening and vacuum tempering, guarantee that the hardness after the heat treatment reaches the wavy spring requirement; Wherein, hardening heat is that 860 ± 10 ℃, temperature retention time are 20~40min, vacuum for≤13Pa, heating rate are that 15 ± 5 ℃/min, hardening media are oil, and temperature is that to be 30~60min, vacuum be≤13Pa for 460 ± 20 ℃, temperature retention time.
CN2011103846278A 2011-11-28 2011-11-28 Method for manufacturing waved springs Pending CN102489943A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011103846278A CN102489943A (en) 2011-11-28 2011-11-28 Method for manufacturing waved springs

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Application Number Priority Date Filing Date Title
CN2011103846278A CN102489943A (en) 2011-11-28 2011-11-28 Method for manufacturing waved springs

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CN102489943A true CN102489943A (en) 2012-06-13

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104259759A (en) * 2014-08-17 2015-01-07 成都亨通兆业精密机械有限公司 Thread ring gauge manufacturing method
CN106077258A (en) * 2016-07-13 2016-11-09 苏州市虎丘区浒墅关弹簧厂 A kind of preparation method of high abrasion wavy spring
CN106180374A (en) * 2016-07-13 2016-12-07 苏州市虎丘区浒墅关弹簧厂 The preparation method of carbon wavy spring in a kind of high-quality
CN106583592A (en) * 2016-12-28 2017-04-26 西安西工大超晶科技发展有限责任公司 Preparation method of high-elasticity spiral retainer ring
CN106734780B (en) * 2016-12-27 2018-11-09 中国南方航空工业(集团)有限公司 Ripple spring molded blank, molding die and processing method
CN109604941A (en) * 2018-11-21 2019-04-12 中国航发沈阳黎明航空发动机有限责任公司 A kind of 578 alloy material waveform spring manufacturing method of Э П
CN110538952A (en) * 2019-09-28 2019-12-06 贵州航天精工制造有限公司 Manufacturing method and forming die of corrugated ring for nuclear power reactor internals
CN113909820A (en) * 2021-10-26 2022-01-11 中国航发贵州红林航空动力控制科技有限公司 Method for processing wave spring
CN114082844A (en) * 2021-10-26 2022-02-25 中国航发贵州红林航空动力控制科技有限公司 Wave spring stamping die
CN114310209A (en) * 2021-12-30 2022-04-12 东台威达鑫精密模具有限公司 Machining process of integral clamp spring mold
CN114346130A (en) * 2021-10-29 2022-04-15 中国航发西安动力控制科技有限公司 Single-layer closed wave spring precision machining control method and machining die thereof

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JPH02213422A (en) * 1989-02-14 1990-08-24 Nhk Spring Co Ltd Production of high strength spring
CN1067684A (en) * 1991-06-15 1993-01-06 徐厚国 Hot treating method for elastic parts
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CN101058143A (en) * 2007-06-06 2007-10-24 上海核工碟形弹簧制造有限公司 Method for manufacturing wave shaped spring

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JPH02213422A (en) * 1989-02-14 1990-08-24 Nhk Spring Co Ltd Production of high strength spring
JPH0829443B2 (en) * 1990-03-17 1996-03-27 株式会社デルタ Tool chuck
CN1067684A (en) * 1991-06-15 1993-01-06 徐厚国 Hot treating method for elastic parts
US5769973A (en) * 1995-11-09 1998-06-23 Smith, Jr.; Robert P. High performance automotive clutch with modified pressure plate for sustained increased spring force
CN1900334A (en) * 2005-07-19 2007-01-24 上海核工碟形弹簧制造有限公司 High temperature resistant anti-corrosion disc-shaped spring
CN101058143A (en) * 2007-06-06 2007-10-24 上海核工碟形弹簧制造有限公司 Method for manufacturing wave shaped spring

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姜春英 等: "波形弹簧材料及其热处理工艺选择", 《郑州纺织工学院学报》, vol. 7, no. 3, 30 September 1996 (1996-09-30), pages 15 - 20 *
张建华: "60Si2MnA波形弹簧制造及真空热处理工艺", 《机械工人(热加工)》, no. 3, 31 March 2007 (2007-03-31), pages 43 - 45 *
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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104259759A (en) * 2014-08-17 2015-01-07 成都亨通兆业精密机械有限公司 Thread ring gauge manufacturing method
CN106077258A (en) * 2016-07-13 2016-11-09 苏州市虎丘区浒墅关弹簧厂 A kind of preparation method of high abrasion wavy spring
CN106180374A (en) * 2016-07-13 2016-12-07 苏州市虎丘区浒墅关弹簧厂 The preparation method of carbon wavy spring in a kind of high-quality
CN106734780B (en) * 2016-12-27 2018-11-09 中国南方航空工业(集团)有限公司 Ripple spring molded blank, molding die and processing method
CN106583592A (en) * 2016-12-28 2017-04-26 西安西工大超晶科技发展有限责任公司 Preparation method of high-elasticity spiral retainer ring
CN109604941A (en) * 2018-11-21 2019-04-12 中国航发沈阳黎明航空发动机有限责任公司 A kind of 578 alloy material waveform spring manufacturing method of Э П
CN109604941B (en) * 2018-11-21 2020-07-14 中国航发沈阳黎明航空发动机有限责任公司 Manufacturing method of ЭП 578 alloy material wave spring
CN110538952A (en) * 2019-09-28 2019-12-06 贵州航天精工制造有限公司 Manufacturing method and forming die of corrugated ring for nuclear power reactor internals
CN113909820A (en) * 2021-10-26 2022-01-11 中国航发贵州红林航空动力控制科技有限公司 Method for processing wave spring
CN114082844A (en) * 2021-10-26 2022-02-25 中国航发贵州红林航空动力控制科技有限公司 Wave spring stamping die
CN114346130A (en) * 2021-10-29 2022-04-15 中国航发西安动力控制科技有限公司 Single-layer closed wave spring precision machining control method and machining die thereof
CN114310209A (en) * 2021-12-30 2022-04-12 东台威达鑫精密模具有限公司 Machining process of integral clamp spring mold

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Application publication date: 20120613