Study on the Relationship Between the Depth，Hardness and Shear Strength of the Inductively Effective Hardening Case on the Surface of 40Cr Steel Pin for Chain

Yibing Chen

doi:10.16578/j.issn.1004.2539.2021.10.027

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Study on the Relationship Between the Depth，Hardness and Shear Strength of the Inductively Effective Hardening Case on the Surface of 40Cr Steel Pin for Chain

Development·Application | 更新时间：2022-11-10

- Study on the Relationship Between the Depth，Hardness and Shear Strength of the Inductively Effective Hardening Case on the Surface of 40Cr Steel Pin for Chain
- Journal of Mechanical Transmission Vol. 45, Issue 10, Pages: 170-175(2021)
- 作者机构：
  
  1.浙江恒久机械集团有限公司，浙江诸暨 311800
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- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2021.10.027
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陈亦兵.链条销轴用40Cr钢表面感应有效硬化层深度、硬度与剪切强度关系的研究[J].机械传动,2021,45(10):170-175.

Chen Yibing.Study on the Relationship Between the Depth，Hardness and Shear Strength of the Inductively Effective Hardening Case on the Surface of 40Cr Steel Pin for Chain[J].Journal of Mechanical Transmission,2021,45(10):170-175.
陈亦兵.链条销轴用40Cr钢表面感应有效硬化层深度、硬度与剪切强度关系的研究[J].机械传动,2021,45(10):170-175. DOI： 10.16578/j.issn.1004.2539.2021.10.027.

Chen Yibing.Study on the Relationship Between the Depth，Hardness and Shear Strength of the Inductively Effective Hardening Case on the Surface of 40Cr Steel Pin for Chain[J].Journal of Mechanical Transmission,2021,45(10):170-175. DOI： 10.16578/j.issn.1004.2539.2021.10.027.

摘要

针对40Cr材质的链条销轴，在不同使用工况条件下，为满足其剪切强度和抗磨损的综合性能要求，需要掌握零件不同的表面感应硬化要求与剪切强度之间的相互关系。通过对销轴试样设定不同的表面热处理要求，进行剪切强度试验验证，综合分析表面感应有效硬化层深度、表面硬度与剪切强度的关系，并通过这一关系的建立，确定零件适宜的尺寸参数，达到良好的匹配设备使用功能要求。使用实践表明，通过掌握有效硬化层深度、表面硬度与剪切强度的相互关系，可在水泥行业的斗式提升机链条的销轴设计应用上取得良好的效果。

Abstract

In view of 40Cr material chain pin，in order to meet the requirements of its comprehensive performance requirements of shear strength and wear resistance under different working conditions，it is necessary to master the relationship between different surface induction hardening requirements and shear strength of chain pin. Through set different requirements for surface heat treatment of pins，the shear strength test is carried out，and the surface induction effective depth of hardening case，the relationship between shear strength and surface hardness is comprehensively analyzed. And through the establishment of this relationship on the basis of the size of the parts suitable parameters，achieve good matching equipment use function requirements. The practice shows that good results can be obtained in the design and application of pins of bucket elevator chain in cement industry by mastering the relationship between effective hardening layer depth，surface hardness and shear strength.

关键词

链条销轴40Cr硬度有效硬化层深度剪切强度

Keywords

Chain pin40CrHardnessEffective hardening case depthShear strength

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