Manufacturing method of valve positioning device of high-precision valve grinder

The utility model relates to a tool for a grinder, in particular to a valve positioning device for a high-precision valve grinder.

Background technique:

2. The valve cone is the main working surface of the valve, and its machining accuracy has a significant impact on the performance of the engine. In the grinding process of the valve cone surface, the valve clamping position must be accurately positioned to ensure the position and size accuracy after the valve cone surface is processed. The large end face of the valve is a commonly used positioning reference surface in valve processing, but the valve is large. The surface shape and position accuracy of the end face of the end is not high. Using this surface as the positioning reference surface may often cause positioning errors and affect the position and size accuracy of the valve grinding process. If the manufacturing accuracy of the large end of the valve is improved in the previous process, although It can ensure the positioning requirements during the valve grinding process, but this will inevitably increase the manufacturing cost.

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