Vacuum forming is a popular thermoplastic molding technique that involves heating a polymer sheet until it becomes malleable, then applying vacuum pressure to mold it over a pre-designed mold.
Step-by-Step Vacuum Forming Process
The process initiates with a thermoplastic material being heated until it reaches the optimal forming temperature. Once the material is ready, it is laid over a mold, and a vacuum is applied to pull the material tightly over the mold, creating the required shape.
Once molded, the formed part is left to cool before trimming the excess plastic. The final product is then cut to remove unwanted material and finished for use.
Applications of Vacuum Forming
Vacuum forming finds its uses in industries such as retail for creating lightweight plastic parts. Some typical products made using vacuum forming include:
- Vehicle interior panels
- Clamshell containers
- Hospital trays
- Store signage
Benefits of Vacuum Molding
Vacuum forming is a fast method for producing reliable plastic parts with minimal tooling costs. Other significant benefits include:
- Rapid production
- Affordable molds
- Flexibility in design
- Durability
Summary
Vacuum forming is a versatile process that allows the creation of durable plastic products at a low cost.
Vacuum Forming