与普通整体式镗刀杆,螺纹和切槽刀杆及可换镗刀头相比,刀座式镗刀杆明显地降低了镗削、切槽和螺纹切削的刀具费用。这种刀杆貌似普通的整体刀杆,但刀杆顶部却没有装刀片的槽,而是一个精加工的键槽——用来安装可换的各种形状、大小和主偏角的刀座。由于这种刀座构造简单、小 Compared with common integral boring bar, thread and grooving shank and boring head, the boring bar can significantly reduce the cost of boring, grooving and threading. The bar looks like an ordinary monoblock but the top of the bar does not have a slotted insert. Instead, it is a finished keyway - designed for mounting interchangeable tool holders of all shapes, sizes and angles. Because of this knife holder is simple and small