Transformation method of ordinary band sawing machine

The length of the sawing blank is achieved by adjusting the relative position of the scale 14 and the return to the position switch. The amount of blanking is realized by the counter, and the completion of each action is detected by the in-position switch. The sawing speed is controlled by the pressure regulating valve adjusting the oil supply pressure. The logical relationship of each action is completed by the relay, the drive is completed by the power cylinder, and the control is completed by the solenoid valve. The length of the sawing blank is achieved by adjusting the relative position of the scale 14 and the return to the position switch. The amount of blanking is realized by the counter, and the completion of each action is detected by the in-position switch. The sawing speed is controlled by the pressure regulating valve adjusting the oil supply pressure. The logical relationship of each action is completed by the relay, the drive is completed by the power cylinder, and the control is completed by the solenoid valve.
For the ordinary band sawing machine, due to the change of pressure, the change of the temperature of the hydraulic oil and the hysteresis of the solenoid valve and the relay all affect the precision of the sawing feeding, so the precision of the feeding is poor, and the consistency of the batch cutting is not good. In addition, when changing the length of the ordinary band sawing machine, the operation is also cumbersome due to the need to adjust the feeding length scale.
Due to the difference in sawing material and saw blade performance, it is best to automatically adjust the speed of the saw blade and the sawing speed in real time. Jinjitong prompts, for example, when the saw blade bends to a certain valve domain value of the system, the system reduces the speed adaptation or closes the feed. This requires a major change in the basis of the original ordinary band sawing machine, such as: changing the original hydraulic unit, increasing the saw blade bending monitor. The grating is mounted on the original ordinary sawing machine for position measurement, and the original hydraulic system is unchanged. Control system software safety function design, including silo, storage management retrieval, sawing part classification management, saw blade bending monitoring, material pressing, saw blade speed, adaptive control of sawing feed rate. In order to meet the requirements of the original hydraulic system at the same time, the system has added a position control module based on a common solenoid valve.
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