Wheel must be used with safety guards. The actual rotational axis of the wheel and its axis of rotation through the center of mass deviation from parallel state called static unbalance wheel. This is usually due wheel uneven density, both ends of the hole and the surface is not parallel or coaxial cylindrical deviation has caused.
2013年8月1日星期四
Tool categories
Generally refers to the machine used for turning, drilling, boring, milling tools.
1, the tool classification of a variety ways:
a. structure can be divided according to tool
A) monolithic;
2) mosaic, using welding or machine clamp connection, machine clip can be divided into no translocation and indexable two kinds;
3) a special type, such as composite tools, shock-type cutting tools .
b. according to the manufacturer of the material used for the tool can be divided into:
1) high-speed steel cutting tools;
2) Carbide Tool;
3) Diamond blade;
4) other materials tools, such as cubic boron nitride cutting tools, ceramic cutting tools.
c. from the cutting process can be divided into:
1) turning tool, exceptionally round, bore, thread, cutting tools and other kinds;
2) drilling tools including drills, reamers, taps, etc.;
3) boring tools;
4) milling tool and so on.
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