Constant temperature control device and method for camshaft grinding

Abstract

The invention provides a camshaft grinding processing thermostatic control device and method. The device comprises a power measuring module used for measuring power of an electric motor in real time and outputting the power, and a thermostatic control module used for receiving the power output by the power measuring module and calculating maximum temperature of a surface of a contact area of a grinding wheel and a camshaft according to the power and a preset thermostatic control model, wherein the thermostatic control module is also used for comparing the maximum temperature and a preset temperature threshold; if that the maximum temperature is higher than or equal to the preset temperature value is determined, the electric motor is controlled to lower camshaft rotation speed, and camshaft cutting depth of the grinding wheel is reduced. The device provided in the invention can regulate processing temperature in real time, temperature across a surface of the camshaft is enabled to be set at allowable maximum temperature, the camshaft can be prevented from grinding burn, processing efficiency can be improved, camshaft quality can consequently be improved, and service life of the camshaft can be prolonged.

Description

technical field [0001] The invention belongs to the technical field of part processing, in particular to a constant temperature control device and method for camshaft grinding. Background technique [0002] The camshaft is an important part in the valve train of an automobile engine, which controls the opening and closing of the valves of the automobile engine. Since the cam profile is a special-shaped surface, the processing technology and scheme are relatively complicated, especially the processing quality of the cam surface, which directly determines whether the camshaft will produce impact and friction between the valve and the cam during the intake and exhaust working cycles of the engine. Vibration, which affects the stability of the car engine in operation. The quality of the camshaft depends directly on the quality of the cam grinding process. [0003] The profile of the cam is very complicated, the machining accuracy is high, the machining is difficult, and the ma...

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Problems solved by technology

[0004] The present invention aims to solve the problems that the existing camshaft processing method only relies on the operator's experience and intuition to process the camshaft, which makes the camshaft prone to grinding burns and low processing efficiency.

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