This is the cross slide feedscrew and two homemade setscrew collars.

这是两岸幻灯片feedscrew和两个自制固定螺丝的衣领。

However,the point of setscrew may cause damage to the shaft and may be difficult to remove.

这种方式固定及拆卸方便，而且不会造成轴新的损坏。是一种很常用的固定方式。