Control system : the system of double axletree numerical control .

控制系统：二轴数控系统。

Design on automatic nondestructive examination system of axletree s quality and reseach on intelligent appraising .

轴承质量自动化无损检测系统设计及智能评判方法研究。

The abnormal block and black round structure of 50 axletree steel was studied and analyzed using optical microscopy , transmission electron microscopy , electron probe and so on .

用光学显微镜、射电子显微镜以及电子探针等现代材料试验手段对50钢中存在的大块黑色团状异常组织进行了研究和分析。

This article starts with the traditional intensity design , introduces the design idea of fracture mechanics , optimizes the material selection design for bolts of axletree bracket and provide theory support for solving the problem of delay brittleness mp tore .

本论文从传统的强度设计角度入手，引入断裂力学设计理念，对某产品轴承基座联接螺栓进行选材优化设计，为延迟脆性断裂问题的解决提供了理论支撑。