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At present, with the rapid development of technology and market, PCBN and PCD tools have been widely used. The market puts high demands on the grinding efficiency of PCD and PCBN tool grinding equipment, mainly as follows.
1. The proportion of the indexable insert grinding is increased, requiring special equipment, simple structure and strong rigidity. With the deepening of division of labor, more than 80% of customers use this equipment to mass produce the same type of tool, namely PCNB, PCD or alloy indexable inserts, welding turning tools, etc. For a single requirement, the machine structure can be simplified and the rigidity of the equipment is greatly enhanced. This not only reduces equipment costs, but also lays a solid foundation for efficient production.
2. The main part of the auxiliary time - the tooling time requirement is greatly shortened. The arc of the insert is formed by the rotation of the table. Adjusting the center of the arc of the tool to coincide with the rotary axis of the table (ie, the action of the tool) is a prerequisite for grinding, and the "knive action" runs through the tool. The whole process, and repeated, is the root cause of the traditional machine tool can not get rid of manual operation.
3. It is required to operate conveniently and reliably, and try not to rely on the operator's manual skills. In order to grind natural diamond tools, the traditional machine tools introduce the "flexible feed" and "constant pressure grinding" processes, which have the effect of "knife" protection for the highly brittle natural diamond knives. Conventional equipment uses a cylinder feed to achieve this effect, which greatly sacrifices the grinding efficiency of PCD and PCNB tools. In addition, due to the lack of precision in mechanical manufacturing, this machine tool is very unstable and requires a lot of manual skills to exert its strengths.
PCD and PCBN tools for tool grinding machines
The design of most diamond tool grinders in China has the following two characteristics: one is to sharpen PCBN and PCD tools while taking care of natural diamond tools; the other is mainly used for sharpening and welding super hard turning tools and boring tools. Disc and shaft cutters.