Take difficult-to-cut materials and carbide cutting tools as the research objects, aim at each cutting character, using Rule-based-Reasoning, establish a cutting tools material intelligent selection system which is based on Visual C++6.

By analyzing the characteristics of high speed cutting of difficult-to-cut materials, it is believed that high speed cutting will improve the machinability of difficult-to-cut materials to some extent.

The difficulties of the tap hole processing on difficult-to-cut materials, especially the small-deep tap hole, can be solved.

Experimental Study on the Difficult-to-cut Material Machined by High-speed Milling;

There are so many severe problems on the conventional reaming process of difficult-to-cut materials that badly restrict the enterprise’sproduction.

Study on Sawing Technology Regarding to Difficult-to-Machine Materials;

There are many characteristics in the machining of difficult-to-machine materials, such as high cutting force, high cutting temperature, work hardening, cutting abration of tools, and so on.

It will add complications in machining, which we call difficult-to-machine materials.

The applications of new tool material to the cutting of difficult-to-process material of steam turbine at home and at aboard were presented.

Based on the analysis of consumer requirement,a B/S-based cutting database system for the machining of difficult-to-machining materials in aviation,including turning,milling,drilling and boring was established,and relevant application programs were developed.

In ordertoimprove the machining efficiency of aerospace parts made of difficult-to-machining materials ,the high-performance machiningstrategyfortypical aerospace parts ,including clampingfixtures ,toolholders ,tool materials ,cutting parameters and machining programming,were researched systemicallythrough cutting experiments .

The cutting property of the difficult-cutting metals and the method of heat-cutting super alloy with high-power CO2 lasers are introduced.