When drilling the center hole, the center of the lathe tailstock is inconsistent with the rotation center of the workpiece, or

The process method of reducing the surface roughness of the slender shaft (rod) on the lathe is one using the

In mechanical processing, rolling processing is often used to improve the surface hardness, fatigue resistance and wear

There are many methods for turning slender rods. Generally, the forward tool turning or the counter tool turning

That is, after turning, the diameter of both ends of the workpiece is small, and the middle diameter is large.

"The lathe is afraid of the rod." This sentence reflects the difficulty of turning slender rods.