【摘要】 定位误差是机械制造工艺学课程的重要内容,是判断机床夹具是否能用的必要条件,也是学生学习机械制造工艺学课程的难点。在论述定位误差产生机理的同时,根据多年的教学经验,总结出了定位误差的全面定义,阐述了掌握定位误差分析计算的关键是深入理解概念。更多还原

【Abstract】 The positioning error is the important content of technology of mechanical manufacture,is the necessary conditions whether the machine tool jig can use,but also the difficult point for the students to learn technology of mechanical manufacture.This article discusses the reason positioning error generate,at the same time,according to the years of teaching experience,summarizes the comprehensive definition of positioning error,expounds the key point of error analysis and calculation is in-depth understand concept.更多还原