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Davron Thermoforming Oven Performs Two Preheating Processes at Once


Davron Technologies, Inc. designed and manufactured the DTI-1244, a thermoforming oven that uses both electricity and gas to preheat products for a Tier 1 automotive supplier that manufactures interior components. A specialized indexing conveyor oven, the DTI-1244 allowed the customer to streamline its preheating process by eliminating steps that required additional handling of the products. Previously, the preheating process required two separate preheating systems (a contact press and a convection oven), along with the associated labor resources required to load both systems.

The DTI-1244 includes a two-tier system that performs both preheating function simultaneously. The upper tier features a contact press that utilizes two heated platens with a decline conveyor. The upper and lower platens are heated by electric rod elements. The lower tier features a natural gas heated convection oven and a wire mesh conveyor belt. Product is loaded simultaneously on the entrance end of both the upper and lower tiers and is indexed one postion into the contact press and the convection oven chamber. Once preheated, both products index one more position, exiting the oven simultaneously. They are then matched together to form a preheated vehicle set ready to be press formed into a single unit.

Both tiers of the DTI-1244 thermoforming oven can operate between 200ᴼ and 500ᴼF. The DTI-1244 features PLC control and all motion functions are controlled by servo for accuracy and speed. The overall dimensions of the indexing conveyor ovenís system are 19í0Ē wide x 36í0Ē long. The interior of the convection oven is made out of 16-gauge aluminized steel backed by six inches of eight-pound density mineral wool insulation. The exterior is constructed of 16-gauge carbon steel backed by a structural steel frame and finished with high- temperature paint. The upper tier utilizes a teflon coated conveyor belt and the lower tier utilizes a wire mesh conveyor belt.

†Davron designed the DTI-1244 thermoforming oven based on two criteria provided by the customer: the target production rate per hour and the temperature required to preheat. Once the indexing conveyor oven was manufactured, Davron did acceptance testing and training with the customer at Davron headquarters in Chattanooga, Tenn., prior to shipment. Davron then went on site to install the oven at the customerís facility.

Visit for more information about Davronís thermoforming oven capabilities. Or, if youíd like to discuss your own industrial oven project, please call Davronís Vice President, Jimmy Evans, at (888) 263-2673, or fill out Davronís online spec submission form.

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