Lock in the blade of holecutter, to make sure that per depth is consistent.
锁于开洞器的刀片上，确保每次开洞深度一致。
2
The precision of the support bearing of the horizontal milling machine bracket affects the rotation precision of the cutter rod, thus affecting the dimension precision and cylindricity of the hole.
卧式铣床支架的支承轴承的精度会影响刀杆的回转精度，从而影响孔的尺寸精度和圆柱度。
3
Disclosed is a rigid boring cutter for machining a slender hole.