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最近一台由微机控制的六坐标倪志福钻头磨床在天津大学研制成功,并通过了专家鉴定。1991年1月5日,倪志福同志来天津,兴致勃勃地参观了该机床,亲切会见了该课题负责人张世昌副教授,并详细询问了有关情况。倪志福同志高兴的说:我搞的钻头40年来一直是手工刃磨,把手工操作变为自动化机械刃磨是我的最大愿望,你们搞的很好,研究思路对头,原理设想也好,软件设计也是可行的。希望进一步完善形成产品,今后不仅向国外出口钻头,而且也可以出口刃磨机床。 倪志福钻头(又称‘群钻’)是倪志福同志和我国广大工人群众在长期的生产实践中发明和不断改进的一种新型钻头。这种钻头与普通麻花钻相比具有明显的优点,其寿命可提高2～5倍,轴向力可减小30％～50％,扭矩可减小15％～30％,并已被世界公认为是一种最好的钻尖形式。但倪志福钻头钻尖形状复杂,刃磨技术要求较高,难以掌握,至使其推广应用受到一定的限制。
Recently a microcomputer controlled six coordinates Ni Zhifu bit grinder successfully developed in Tianjin University, and passed the expert appraisal. On January 5, 1991, Comrade Ni Zifu visited Tianjin with great joy and visited the machine tool cordially and met with the Associate Professor Zhang Shichang, the person in charge of the task, and asked in detail about the situation. Comrade Ni Zhifu said happily: I have been engaged in manual bit sharpening for 40 years. It is my greatest wish to turn manual operation into automatic mechanical sharpening. You are doing well, you are good at thinking, the principle is the same, and the software design It is also feasible. Hope to further improve the formation of products, the future not only to export drill bits, but also export sharpening machine. Ni Zhifu bit (also known as ’group drill’) is a new type of drill bit invented and continuously improved by Comrade Ni Zhifu and the masses of workers in our country in long-term production practice. Compared with the ordinary twist drill, this kind of drill has obvious advantages, its life can be increased by 2 ~ 5 times, the axial force can be reduced by 30% ~ 50%, the torque can be reduced by 15% ~ 30%, and it has been recognized by the world It is one of the best drill bit forms. However, Ni Zifu drill tip complex shape, grinding technology demanding, it is difficult to grasp, to make its application is subject to certain restrictions.