Practice of Cold Drawing Process Optimization of GCr15 Bearing Steel Rod

王莹莹; 杨鹏远

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Practice of Cold Drawing Process Optimization of GCr15 Bearing Steel Rod

更新时间：2026-01-21

- Practice of Cold Drawing Process Optimization of GCr15 Bearing Steel Rod
- Special Steel Vol. 36, Issue 6, Pages: 16-19(2015)
- 作者机构：
  
  东北特钢集团大连特殊钢有限责任公司,大连,116105
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：02 June 2015，
  
  Online First：12 August 2022，
  
  Published：12 August 2015
- 稿件说明：
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王莹莹, 杨鹏远. Practice of Cold Drawing Process Optimization of GCr15 Bearing Steel Rod[J]. Special Steel, 2015, 36(6): 16-19.
DOI：

王莹莹, 杨鹏远. Practice of Cold Drawing Process Optimization of GCr15 Bearing Steel Rod[J]. Special Steel, 2015, 36(6): 16-19. DOI：

摘要

分析了GCr15轴承钢(1.01%C

1.58%Cr)Φ11 mm线材的减面率、拉拔模角度和定径带长度

拉拔速率对拉拔应力和拉拔表面精度的影响。得出Φ11 mm盘条冷拉至Φ10.2 mm线材的优化工艺

即Φ11 mm线材(HB193)-等温球化退火(785℃4.5 h→750℃3 h)-冷拔至中10.4 mm盘条-740℃4.5 h去应力退火-冷拔至Φ10.2 mm棒材成品(HB205);冷拔速度35 m/min

油性润滑等工艺措施可获良好的表面质量。

Abstract

The effect of draft

cone angle and length of sizing belt of drawing die

and drawing speed on drawing stress and drawing surface accuracy of bearing steel GCr15 (1. 01% C

1. 58% Cr) Φ11 mm rod coil has been analyzed. The optimization process for Φ11 mm rod coil cold drawing to Φ10. 2 mm rod is obtained

i. e. Φ11 mm rod coil (HB193)- isothermal spheroidizing annealing (at 785℃ for 4. 5 h → at 750 °C for 3 h) - cold drawing to 10. 4 mm rodde-stress annealing at 740 ℃ for 4. 5 h- cold drawing to Φ10. 2 mm rod products (HB205) ； the nice surface quality is obtained by using the process measures including with cold speed 35 m/min and drawing oil lubricant.

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