Common faults and solutions for plastic thermoforming machines

What are the common faults of plastic thermoforming machines? How to solve these faults of plastic thermoforming machines? Cup making machines are used to make disposable plastic cups and other equipment. During normal operation, cup making machines will have some faults. Let's analyze the faults of cup making machines for everyone so that they can be solved faster and reduce losses.
Fault 1: Abnormal display of thermostat
The possible reason is that the temperature measuring wire is loose or the thermostat is damaged, causing the temperature to jump continuously. It may also be that the corresponding air switch behind the chassis trips, the ammeter wire burns out, the heating wire is broken, the fixed relay is damaged, or the thermostat is damaged, causing the data temperature to fail to reach the set temperature, and the temperature is decreasing downward.
Fault 2: The oil pump does not start
The possible reason is that the oil pump wire is loose, the oil pump relay is burned out, or the oil pump is burned out.
Fault 3: Pull tab drag chain
The possible reason is that the chain fixing plate is worn out.
Solution: Remove the chain fixing plate, weld the worn area or pad the lower gasket in an oblique upward direction.
Fault 4: The cup does not fall off
The possible reason is that the blade is damaged or the proximity switch is loose. Solution: Place a sheet pad of a certain thickness under the lower die blade.
Fault 5: The cup has a concave bottom
Possible reasons ① The positioning column of the lower die is loose, ② It may also be because the mold temperature is too high. Solution: ① Re-fix the positioning column, ② Lower the mold temperature.
Fault 6: The bottom of the cup is too soft
Possible reasons ① The air intake switch is loose and runs in front of the stretching switch, ② It may also be because the fastening screw of the stretching arm is loose, causing the stretching head to hit too low. Solution: ① Tighten the air intake switch, ② Tighten the stretching arm screw.
Fault 7: The cup body is too soft
Possible reasons ① The fastening screw of the stretching arm is loose, causing the stretching head to hit too low, ② It may also be because the mold temperature or set temperature is too high. Solution: ① Tighten the stretching arm screw, ② Lower the set temperature or lower the mold temperature.
Through the introduction of the above plastic thermoforming machine manufacturer, everyone should know how to resolve the plastic thermoforming machine failure.