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Variable speed control method and advantage of fine powder grinder
Nov 12, 2018

The fine powder grinder is mainly controlled by the stepless speed regulation system during the production. It can easily adjust the grinding speed suitable for grinding various components to a certain extent, and adopts the closed loop feedback of the electric-gas proportional valve.

The pressure hole of the fine powder grinder can independently adjust the pressure device to a certain extent, and the lower plate is provided with a descending function, so that the crushing of the crispy workpiece can be effectively prevented. With a time relay and a grinding counter, the grinding time and number of grinding cycles can be accurately set and controlled according to the machining requirements. The pressure mode can be adjusted during work, and the alarm prompt will be automatically stopped when the grinding set time or lap time is reached, achieving semi-automatic operation.

The fine powder grinding machine shift control method has three stages of grinding processing, namely, the beginning stage, the formal stage and the ending stage. At the beginning stage, the grinding tool is rotated at a constant speed, the official stage grinding wheel rotates at a constant speed, and the end stage grinding tool rotates at a reduced speed. The utility model is characterized in that, at the beginning of the grinding process, the acceleration of artificially controlling the rotational speed of the grinding tool increases from zero to fast, and when the rotational speed of the grinding tool rises to half of the official grinding speed, an inflection point occurs in the change of the acceleration, and the grinding tool is controlled. The acceleration of the rotational speed is reduced from the maximum to the slowest until the grinding speed reaches the official grinding speed, and the acceleration of the grinding speed decreases to zero.

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