'World's Largest' Rotary

A new three-station rotary thermoformer is claimed to be the largest ever built.

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A new three-station rotary thermoformer is claimed to be the largest ever built. This unit from Advanced Ventures in Technology (AVT), Gladwin, Mich., measures nearly 70 ft in diam. and 40 ft high. It was sold to Better Bath Components, Waxahachie, Texas, for making one-piece panels and fixtures for motorized RVs and towable trailers. The heavy-gauge, sheet-fed machine produces parts up to 10 x 25 ft with draws of up to 6 ft. The four-way, infinitely adjustable clamp frame reduces set-up time by up to 85% and requires no tools to make quick adjustments. A single-point, wedge-style wheel locator locks the carousel in position without use of shot pins or stab bars. This system is more reliable and unaffected by thermal expansion, according to AVT. The thermoformer also features a fully automated loading and unloading system and an oven controller with sheet-sag tracking that helps cut power consumption by up to 15%. A dual-motor, direct-drive system ensures smooth platen movement and eliminates rotating components like chains and sprockets.