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6 steps to set up low pressure protection for injection molding machine

TIME:2021-03-08 Share

Many factories now require injection molding machine low-voltage protection debugging. In fact, most of the technicians can't adjust the low-pressure adjustment quickly and well. Here, Lisong Machinery will introduce you to the 6 steps of injection molding machine low-voltage protection debugging :

1. Adjust the clamping pressure to the required pressure, which can be seen from the pressure gauge. For example, if we need 120KG clamping pressure, first straighten the crank arm and adjust the thickness of the mold until the clamping pressure reaches 120KG on the pressure gauge and then go to the next step.

2. Set the mold opening distance. The mold opening distance is not as far as possible. The principle is to take out the product without touching it. Note that setting the mold opening buffer must be based on the mold opening speed to determine the length of the buffer. The faster the speed, the farther the buffer will be.

3. The first stage of the slow mold opening speed is generally set according to the low pressure starting position. Note that if there is a pull-out, row position, etc., it is better to increase 5MM according to the mold clamping position.

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4. The quick position of the mold clamping is generally switched to the quick clamping action after the start of the clamping stage. The size of the quick end position is determined according to the accuracy of the injection molding machine. The higher the accuracy, the smaller the position. It is generally set 20---40MM before the start of the low pressure position.

5. Set the clamping high pressure speed to 0 first, and then manually lock the mold, and set it as much as you see where the mold is completely attached to the front mold. For example, the front and rear mold bonding position is 1.3MM, and the setting position is generally 1.4MM. If the set position is the same as the actual position, it is easy to alarm by mistake. If it is too much, the low-voltage protection function will be lost.

6. Restore high pressure and speed.
Needless to say this action. Reply is OK. The entire low pressure protection setting is completed. After completion, test with white paper. If the white paper does not close the mold, it is OK. When the mold is closed, reduce the low pressure position a bit or reduce the speed pressure. The entire debugging cycle does not exceed 5 minutes.

If the above 6 steps are done well, the adjustment time can be greatly saved in the process of low-pressure regulation and provide better support for production performance.

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