Mechanical processing equipment have CNC lathe, CNC milling machine, punch, instrument lathe, automatic lathe, thread-rolling machine, silk machine, etc.
机械加工设备有数控车床、数控铣床、冲床、仪表车床、自动车床、滚丝机、车丝机等。
2
Analyzed technology of thread-rolling, put forward a method of high positional screw thread working and introduced the fixture configuration of thread-rolling in detail.
通过对滚压螺纹的工艺分析，提出一种高位置精度螺纹的滚压加工方法，并介绍加工螺纹的夹具。
3
Secondly there is error between the thread roll angles of threadrolling die and drill rod.