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全苏工具研究院与科罗明斯克重型机床厂设计了几种新型高效率刀具,推广这些刀具可以降低机床零件机械加工劳动量,提高被加工表面质量和精度。机夹不重磨刀片的可调式双齿镗刀头这种刀头(图1)装有BK8四边形硬质合金刀片,工作可靠,调整容易,操作简便,与焊接式镗刀头比较,新型镗刀的寿命长。由于提高了每转走刀量,加工生产率提高了0.5～1倍,切削深度提高1倍,勿需焊接、刃磨和重磨。
All-Su Research Institute of Tooling and Krominsk Heavy Machine Tool Plant designed several new high-efficiency tools to promote these tools can reduce the amount of machine tool machining work to improve the quality and precision of the machined surface. This machine is equipped with BK8 quadrilateral carbide blade, reliable work, easy to adjust, easy to operate, compared with the welding boring head, the new boring Long knife life. As a result of increasing the amount of cutting per turn, processing productivity increased by 0.5 to 1 times, cutting depth increased by 1 times, without welding, sharpening and regrinding.