What is the top degree of the lathe?
after the top tip has a fixed top and rotary top two. Use the rear tip into the taper hole of the lathe tailstock sleeve. Fixed top cut good, accurate center, but the center hole and the hard tip is between the sliding friction, easy to wear and burn the top. The lathe is therefore only suitable for low-speed machining applications requiring higher workpieces.
Front of the front of the lathe can be directly installed in the lathe spindle cone hole, the front tip and the workpiece with the rotation, no relative movement, so no need to quench. The lathes can sometimes be clamped with a three-jaw self-center chuck with a self-made steel with a 60 degree taper angle. In order to prevent the rotation of the axial force in the role of the top displacement
The top of the lathe is the top and the top two. The lathe is used to center and withstand the gravitational and cutting forces of the workpiece.
Lathe support small workpiece can be used when the anti-tip, then the end of the workpiece made of top type. The top of the event is equipped with rolling bearings, the top and the workpiece together to rotate, can work at high speed. But the top of the rigidity of the poor, and sometimes beating and reduce the processing accuracy. Therefore, the live top only applies to the workpiece is not too high precision requirements
