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Common Challenges and Solutions in Thermoforming Machine Operation

August 13, 2025


Common Challenges and Solutions in Thermoforming Machine Operation



Our Multi Stations Thermoforming Machine is a new-generation product developed by our company for the packaging industry, food industry, and electronics industry. It consists of a plastic sheet feeding and unwinding system, a heating assembly, a thermoforming station, a cutting station, a stacking station, a product discharge system, a waste sheet rewinding system, electrical control system, and frame. 


It features high-speed operation, low noise, low energy consumption, and convenient operation and maintenance. 


During production, thermoforming machines may experience, such as product quality problems or machine malfunctions. As a professional manufacturer of thermforming machines, we have compiled a list of common issues and their solutions.


Product quality issues


1. Whitening/Opaque appearance

Cause: Excessive temperature

Solution: Adjust the temperature, adjust the width of the sheet material at the front and rear ends, etc.


2. Product bottom is soft, white, or deformed  

Cause: Moulding and stretching times are mismatched, or temperature is too low  

Solution: Synchronize forming and stretching phases, and adjust temperature appropriately  


3. Product has patterns  

Cause: Stretching and moulding are mismatched, or temperature is too high  

Solution: Fine-tune moulding time and adjust temperature appropriately  


Machine operation issues


1. Chain cannot pull the sheet material

Cause: Upper sheet material is tilted

Action: Remove the sheet material and reinsert it


2. Mechanicalr Arm cannot retrieve the product

Cause: Air pressure, retrieval position

Action: Ensure adequate air pressure, adjust the retrieval position of the shaft


3. The scrap material collector cannot collect scrap material

Cause: Insufficient friction force of the friction plate or product stuck in the cup-making machine's discharge port

Action: Adjust the pressure by turning the handwheel at the front end of the scrap material rod, and remove the stuck product


GtmSmart Machinery Co., Ltd. is a high-tech enterprise integrating R&D Thermoforming Machineproduction, sales and service. We fully implement the ISO9001 management system and strictly monitor the entire production process.


Our comprehensive pre-sales and after-sales service system ensures customer rights and safeguards the production of Multi Stations thermoforming machines. Regardless of the production issues encountered, our professional team will wholeheartedly resolve them for customers.


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