NEWS

Common Problems of Plastic Cup Thermoforming Machine

April 21, 2025



The plastic cup thermoforming machine adopts thermoforming and servo control technologies, combining our decades of machinery manufacturing expertise to deliver a new generation of energy-efficient equipment. It adopts fully servo-controlled systems including feeding, driving, and stretching processes, ensuring precise positioning and consistent molding quality.


Our plastic cup making machine has the advantages of stable operation, low noise, energy saving and environmental protection, and high grade of finished products, which is primarily compatible with PP, PET, PE, PS, HIPS, PLA and other plastic sheets and is positively molded to produce various kinds of jelly cups, beverage cups, packaging boxes and other plastic containers.


According to the market research as well as consultation, the following common problems of plastic cup making machine in the market:


Common Problems
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1. Not dropping the cup.

This may result from either a damaged cutting blade or a loose proximity switch.


2. Cup bottom dented.

Possible causes 1. Lower mold positioning post is loose, 2. Or the mold temperature may be too high.


3. The bottom of the cup is too soft.

Possible causes Faulty signal transmission between inlet sensor and tension sensor. Or the tension arm fastening screw may be loose, causing the tension head to drop too low.


4. Cup body too soft.

Possible causes 1. Tension arm fastening screws are loose, causing the tension head to drop too low. It is also possible that the mold temperature or set temperature is too high.


5. Do I need to adjust the parameters of the machine every time I change the mold?

It is necessary to adjust the parameters when changing different molds.


6. Is it necessary to adjust the cooling temperature for different heights of cups?

No, the cooling temperature does not need to be adjusted.


7. What is the difference between servo and hydraulic?

Servo:

-More energy saving and environmental protection

-Low noise, less heat, high efficiency

-Higher precision, better speed control

Hydraulic:

-Easy to cause oil leakage, causing environmental problems.

-In order to minimize this problem, the factory must have very mature technology.


Conclusion
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GtmSmart is engaged in R&D, design, manufacturing and sales. Our plastic cup thermoforming machine is featuring user-friendly operation, reliability, and enhanced safety/energy efficiency/hygiene standards through integrated servo motors with precision gearboxes If you are interested in this machine, please feel free to inquire!


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