RS-750-800-3 Positive and Negative Pressure Multi-Station Plastic Thermoforming Machine adopts internationally advanced plastic sheet forming technology. It is a plastic sheet forming machine with an integrated mechanical, pneumatic and electrical design. It can automatically complete a full range of processes including loading, feeding, heating, forming, punching, cutting, sta...
RS-750-610-4 Positive and Negative Pressure Multi-Station Plastic Thermoforming Machine
The RS-750-610-4 positive and negative pressure multi-station plastic thermoforming machine adopts internationally advanced plastic sheet forming technology. It is a plastic sheet forming equipment designed with integration of machinery, pneumatics and electricity. It can automat...
RS-650-450-4 Positive and Negative Pressure Multi-Station Plastic Thermoforming Machine
The RS-650-450-4 positive and negative pressure multi-station plastic thermoforming machine adopts internationally advanced plastic sheet forming technology. It is a plastic sheet forming equipment with an integrated mechanical, pneumatic and electrical design. It can automatically complete all pro...
Advanced Sheet Tensioning Dynamics for R-PET Processing
2026-02-19
Recycled PET (R-PET) is becoming the standard for sustainable packaging, yet its inherent material variability—such as fluctuations in intrinsic viscosity—makes it notoriously difficult to form at high speeds. Wenzhou Rayshape Machinery Co., Ltd., an Elemotion Group company, has addressed this by developing an "Advanced Sheet Tensioning Dynamic" system for its Plastic Thermoforming Machine. Unlike virgin PET, R-PET sheets can exhibit "surging" or uneven sagging in the heating furnace. Rayshape’s four-stage furnace uses a real-time distributed digital dynamic temperature control system with $\pm 1$°C tile compensation to counteract these inconsistencies. Simultaneously, the high-speed servo feeding system works in tandem with the 600KG double-station unwinder to provide active tension compensation. This ensures the sheet remains perfectly flat as it passes through the heating zones, preventing "thermal wrinkling" and ensuring uniform wall thickness during forming. This technical mastery reflects the Elemotion spirit of self-surpassing excellence and innovation. Rayshape’s high-quality automated equipment is designed for high-volume, low-consumption production, achieving 15% energy savings even with challenging recycled resins. The 90-set parameter memory allows operators to fine-tune the tension profiles for different batches of R-PET, ensuring a stable and reliable output. Based at No. 19 Pinghai Avenue, Wenzhou, our leading enterprise provides professional after-sales service and seasoned R&D to help global manufacturers navigate the transition to a circular economy. By providing a reliable machinery platform that can handle the quirks of recycled materials, Rayshape ensures that sustainability does not come at the cost of production efficiency or product quality.
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