0757-29965888
home page  > 

How to adjust the clamping force of the injection molding machine?

2022-08-19        zero

In practical application, injection molding machines are mainly used in the plastic products industry. However, when the injection molding machine is in use, it will encounter the problem of adjusting the clamping force, which is not only related to whether the machine can be normally produced and whether the products produced meet the requirements, but more importantly, correctly adjusting the clamping force of the machine can extend the service life of the machine. So, injection molding machine How to adjust the clamping force of?



1. Close the mold lifting device switch, adjust the thickness of the mold until both sides of the mold are fixed, and cut off the mold lifting device switch.


2. Manually operate the mold opening until the end of mold opening, start the mold adjustment device, reduce the mold thickness, generate mold adjustment force, cut off the mold adjustment device, and conduct slow mold adjustment operation. The reduction of die thickness is proportional to the generated die force, but if the die thickness is reduced too much, the die cannot be locked, so the die thickness must be gradually reduced.


3. Repeat the adjustment operation of 2 above until the drawworks and guide column generate enough clamping force. The clamping force is not too high. As long as it can ensure that the injection parts and products will not produce flash during injection molding, the service life of the machine can be guaranteed.


4. When the clamping force is adjusted, the ultra fast clamping cannot be used.


5. The pressure gauge will indicate the working pressure value of the clamping cylinder during the clamping action at the moment when the low-pressure clamping end travel switch is released and the clamping end travel switch is pressed. The display time is very short, which is also the reason why the quick clamping cannot be used.


6. The displayed working pressure is usually lower than the real pressure in the clamping cylinder, so do not use the highest rated working pressure for clamping operation for a long time to extend the service life of the machine. It is advisable to reach 80% - 85% of the maximum rated pressure in the working pressure displayed. For example, the maximum pressure of 145kgf/cm2 should be 120kgf/cm2.


7. To adjust the low-voltage clamping force, in order to maintain the sensitivity of the low-voltage clamping force, when adjusting the low-voltage clamping force, the low-voltage clamping numerical control value 00 starts to be set. The low-voltage clamping force is slightly higher than the resistance encountered during the clamping process, and the high-voltage clamping action can be started at the same time.


8. Select the normal or quick locking operation, readjust the relevant travel switches, so that the mold opening and locking can be carried out smoothly.


The above is about how to adjust the clamping force of the injection molding machine. Through these understandings, friends can solve this problem well when they encounter it. If there is anything you don't understand, please call the company.


Hot News
Related articles