Intermittent operation is a mechanical movement method often used in the automation design of
cam indexers, such as a disc-type multi-station rotating platform, a pipelined transmission platform, and the indexer moves from stop to movement, and makes indexing movement from movement to stop. In the actual application, especially in the automation design, how to effectively control the cam indexer?
First of all, the method of adding a drive source and a motor speed controller can be used, and the speed controller issues instructions to control the speed of the motor, so as to realize the positioning time control of the cam indexer.
PLC controllers are used in most automation control systems. This makes it easy to control the indexer through the PLC. You can install a signal cam and a photoelectric sensor on the input shaft of the cam indexer, and the sensor will pass the PLC program The control command is issued, and the speed of the drive motor is adjusted to achieve the purpose of positioning control of the cam indexer.
In some automation systems, the speed is constant, so the speed ratio needs to be calculated. This method needs to calculate the mechanical parameters very accurately. Some deviations will be re-adjusted. At the same time, for the use of the indexer, This method is not recommended. If necessary, the motor needs to be equipped with a clutch, and the indexer is equipped with a torque limiter.
The above methods can all realize the positioning control of the
cam indexer. In actual application, it can be adopted according to the design situation of the automation system. I hope it will be helpful to everyone.
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