On ultra precision cutting, grinding and non-traditional machining, there is a hard problem between long travel and high precision, especially in multi-coordinate machining.
在超精密切削、磨削、特种加工中，大行程驱动与高精度进给是难以解决的矛盾，也是多坐标超精密加工的难点。
Discusses the problem of the machining of precision ultra thin shaft by using external cylindrical center-less grinding machine with bracket. The development progress is introduced.
探讨了利用普通无心外圆磨床加辅助附件的方法解决超细长轴的加工问题，介绍了加工超细长轴研制过程。
Grinding process is an important machining technique, and it has a wide range of applications in precision machining and ultra-precision machining.
磨削加工技术是制造技术中的重要领域，是实现精密加工、超精密加工中最有效、应用最广的工艺技术。
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