This video showcases the automated production of plastic cup lids using an advanced four-station thermoforming machine. Witness the integrated process: 1) Servo-fed material undergoes precise, energy-efficient heating with intelligent temperature control; 2) Pressure/vacuum forming shapes lids using dual molds; 3) Servo-driven punching prepares lids; 4) A robotic arm performs high-speed automatic stacking, significantly reducing labor. The PLC-controlled system ensures precision and efficiency throughout forming, punching, cutting, and stacking stations.
How a Four-Station Manufacturing Machine Produces Cup Lids
Production Process
This video demonstrates the production process of plastic cup lids using a four-station thermoforming machine. This Four Stations making machine features an integrated design combining mechanical, pneumatic, and electrical systems, with all operational movements controlled by a PLC. The touchscreen interface ensures user-friendly operation. The four stations are: forming, punching, cutting, and stacking.
1. Feeding and Heating: A servo motor feeds the material into the heating zone, with adjustable feeding length. The process is high-speed and precise. The heater uses an intelligent temperature control system with upper and lower heaters and four heating zones. It offers high precision, uniform temperature distribution, and is unaffected by external voltage fluctuations. It has low power consumption (15% energy savings) and ensures a longer service life for the heating furnace.
2. Forming: Upper and lower moulds for moulding. Pressure/vacuum dual-mould moulding. The moulding station adheres the heated plastic sheet to the mould, which is then cooled, demoulded, and sent to the cutting station.
3. Punching: Controlled by a servo motor, the punched material is sent to the stacking station.
4. Stacking: A robotic arm stacks the finished products downward, equipped with a powerful servo automatic stacking system, significantly reducing labour costs.
Four Stations Large PP Plastic Thermoforming Machine is forming, cutting and stacking in one line. It is completely driven by servo motor, stable operation, low noise, high efficiency, suitable for producing plastic trays, containers, boxes, lids, etc.

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We fully implement the ISO9001 management system and strictly monitor the entire production process. All employees must undergo professional training before work.
Every processing and assembly process has strict scientific technical standards.