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.
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2013年8月1日星期四
Tool
1, generally refers to the so-called metal-cutting tool cutting tool;
Two common types of turning, milling, drills, taps, etc., the Diamond blade can be divided into categories according to the structure: Overall, mosaic, special type, etc.;
based materials can be divided into: high-speed steel cutting tools , carbide cutting tools, superhard tools, etc.; from the cutting process can be divided into:
Turning tools, milling tools, drilling tools, gear cutters, etc.;
3, the main purpose is the cutting tool machining purposes, for example, through the metal processing and manufacturing of parts assembled into our ride cars,
airplanes, ships, etc.;
4, the general manufacturing plants will be used in metal cutting tools;
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