Transactions of Materials and Heat Treatment

Title：Performance analysis and process research on bearing shell of radial forging machine

Authors： He Xuelong1 2 3 Ma Xuepeng1 2 3 Huang Yanlong1 2 3 An Jianjun1 2 3 Zhang Xu1 2 3 Pan Duofei1 2 3 Zhao Huixiang1 2 3 Shi Wentao1 2 3

Unit：（1. Lanzhou LS Heavy Machinery Technology Co. Ltd. Lanzhou 730314 China 2. Gansu Province Key Laboratory of Intelligent Control for Metal Plastic Forming Equipment Lanzhou 730314 China 3. Gansu Province Technology Innovation Center for Large-scale Fast Forging Hydraulic Equipment Lanzhou 730314 China）

KeyWords： radial forging machine bearing shell Babbitt alloy copper alloy bimetallic meterials

ClassificationCode：TG315

year,vol(issue):pagenumber：2025,50(4):201-205

Abstract：

Abstract: In order to improve the stability and service life of bearing shell for radial forging machine, firstly, for radial forging machine SX13, the working conditions of bearing shell was analyzed in detail, and the parameters such as forging force, rotation speed and lubrication were clarified. Then, with the help of X-ray diffractometer and CETR UMT-3 friction testing machine, the structure of bearing shell was tested in detail, and the performance requirements of Babbitt alloy, copper alloy and steel based were explained. Finally, a friction-reducing and wear-resistant material for bearing shell with a bimetallic structure was designed by using melting and casting technology with the help of component gradient transition method to improve the bonding strength between the bimetallics and extend their service life, and a friction-reducing layer was constructed by pouring Sn-based Babbitt alloy at the surface of bimetallic material to further improve the friction and wear-resistant performance of bearing shell. Production and use show that this process significantly improves the high load-bearing, impact resistance and wear-resistance of bearing shell for radial forging machine, providing an effective guarantee for the high-quality production of bearing shell for radial forging machine.

Funds：

作者简介：何雪龙（1986-），男，学士，高级工程师

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