【摘要】 实际生产中 ,大平面上矮台阶外圆的测量是很多工厂都会遇上且感到比较棘手的问题 .文中介绍了两种自制装置 ,用于测量大平面上矮台阶外圆尺寸 ,并对其进行分析和比较更多还原

【Abstract】 In works, how to measuring low step outer column on the larg e plate is a common problem in many plants. The article introduced two ways that can measure the low step outer column on the large plate——self made tubular micrometer and lever micrometer, their work principles, and their characteristics.更多还原