Application of Digital Twin Model in Grinding of Bearing Rings

doi:10.16182/j.issn1004731x.joss.21-1050

Abstract

Abstract:

The digital twin model can effectively promote the virtual-real interaction between the actual product and the product model. Aiming at the grinding force generated in the grinding process of spherical roller bearings, this paper constructs the bearing ring raceway grinding process by performing dynamics, contact algorithm modeling and rigid-flexible coupling treatment on the components of the grinding work area. The digital twin model completes the virtual mapping of the grinding work area of the bearing ring in the digital space. The model is used to analyze and test the process parameters such as the grinding wheel linear speed and the workpiece speed, which proves the validity of the digital twin model constructed. The model has high fidelity and can be used to understand, predict and optimize real systems.

Key words: dynamics, virtual mapping, digital twin model, grinding force, process parameters

CLC Number:

TH133.33

Hongbin Liu, Zhiqiang Shen, Yize Wang, Ming Qiu, Wenrong Lin. Application of Digital Twin Model in Grinding of Bearing Rings[J]. Journal of System Simulation, 2023, 35(3): 557-567.

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名称	材质	弹性模量	泊松比
套圈	GCr15	2.19×10¹¹	0.300
砂轮	Al₂O₃	3.70×10¹¹	0.220
磁极	45钢	2.09×10¹¹	0.269
砂轮轴	45钢	2.09×10¹¹	0.269
支承	45钢	2.09×10¹¹	0.269

工艺信息	工作条件
机器类型	3MZ1450轴承外圈滚道磨床
砂轮	CBN棕刚玉砂轮
工件偏心量/mm	23952CA/W33-01 0.2
砂轮线速度/(m/s)	48
工件轴转速/(r/min)	62
进给速度/(mm/min)	0.1
进给量/mm	0.013

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