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Dongguan jiachao hardware technology co., LTD

Contact person: Mr. He

Telephone: 13829137022

Telephone: 0769-8333 3591

Fax: 0769-8333 5379

Mail box: hejianguo@jiachao-tech.com

Web site: www.jiachaotech.com

Web site : en.jiachaotech.com 

Address: yingshuo industrial park, no.59, tianheng road, shahukou village, changping town, dongguan city

Precision springs

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Precision springs

  • Taxonomy:Spring products

  • Click times:
  • Date of release:2019/06/13
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Precision spring is also known as small spring, because this precision spring wire diameter is small, wire diameter 0.06-1.0mm. The design of precision spring production plant 24 hours operation, by the customer service department to provide customers with a full range of services. The existing precision spring production line is composed of the most advanced automation equipment in the world.

Precision spring heat treatment: heat treatment process for thermoforming springs -- forming springs in this way is mostly a combination of heat treatment and thermoforming, while coil springs are mostly heat treatment after thermal forming. The heat treatment method of spring steel is quenching + medium tempering, and the structure after heat treatment is tempered torstenite. This kind of organization has high elastic limit and yield limit, and has certain toughness.


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Working conditions, materials and heat treatment requirements

1. Spring with simple shape, small section and little force; Requirements: 65 785-815℃ oil quenching,300℃400℃, 500℃. Temper at 600℃, corresponding hardness HB512, HB430, HB369,75,780-800℃ oil or water quenching,400-420℃ temper, hrc42-48.

2. Large spring with medium load; Requirements: 60Si2MnA 65Mn 870℃ oil quenching,460℃ tempering, hrc40-45 (agricultural machinery seat spring 65Mn quenching and tempering hb280-370)

3. Large plate spring and spiral spring with heavy load, high spring and high fatigue limit; Requirements: 50CrVA, 60SiMnA 860℃ oil quenching,475℃ tempering, hrc40-45

4. Coil spring with a diameter of 8-10mm working under multiple alternating loads; Requirements: 50CrMnA 840-870℃ oil quenching,450-480℃ tempering, hb387-418

5. Helical spring of vehicle and buffer, automobile tensioning spring; Requirements: 55Si2Mn, 60Si2Mn, 60Si2CrA quenching, tempering, hrc40-47 or hb370-441

6. Diesel pump plunger spring, nozzle spring, agricultural diesel engine gas valve spring and valve spring and plate spring of medium and heavy duty vehicles; Requirements: 50CrVA quenching, tempering,HRC40-47

7. Work under the high temperature steam and flat spring coil spring, tap water pipe spring spring and seawater erosion, Φ 10 to 25 mm; Requirements: 3Cr13 hrc39-46 4Cr13 hrc48-50 hrc48-49 hrc47-49 hrc37-40 hrc31-35 hrc33-47

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Key word:Precisionspringproducts,Precisionspringprice,Precisionspringmanufacturer

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