Technology
With the development of mechanical processing technology, ceramic materials can be machined by various processes similar to metal machining. In addition to grinding, chemical processing, optical processing, electrical processing, plastic processing, combined processing and other processing techniques can also be used. For zirconia ceramics, due to its special physical and mechanical properties, higher and higher dimensional accuracy, extremely strict shape and position tolerances super-mirror-surface finish, grinding is still the most widely used processing in precision ceramic parts processing.
Zirconia ceramic bearings
In the grinding process, besides high precision, in order to improve the processing efficiency, the spindle speed is getting higher and higher The heat generated at high speed is very high. After grinding, the workpiece and tool will cool down. Apparently this temperature change may affect the crystal type change of zirconia ceramics. According to the characteristics of zirconia ceramics, the controller must be able to effectively control the temperature. In addition, since zirconia ceramics are crystalline materials, if the thickness of the structure is too small, the workpiece will not be able to withstand the grinding force brought by the grinding equipment, causing the workpiece to break and crush. Therefore, it is necessary to control the speed fluctuation to ensure that the cutting force is stable and does not fluctuate. Furthermore, a large amount of ceramic powder is generated during the grinding process, and dust protection is also a basic requirement for the controller.
Therefore, in the processing of zirconia ceramics the controller has the following requirements:
●High precision
●High speed
●High-speed stability
●High reliability
●Temperature control and dustproof to meet the processing environment of zirconia ceramics
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