No. 1026 is a 550°F (287.7°C), electrically-heated, universal style oven from Grieve, currently used for preheating acrylic and polycarbonate sheets prior to forming. Workspace dimensions on this oven measure 34″ wide x 120″ deep x 48″ high. 60 KW are installed in Incoloy sheathed tubular heating elements to heat the oven chamber, while a 4200 CFM, 3 HP recirculating blower provides horizontal front to rear airflow to the workload.
This Grieve oven has 6″ insulated walls, aluminized steel exterior, Type 304, 2B finish stainless steel interior and four front access doors with automatic door switches to shut off the heat and blower when a door is opened. Four structural steel slide beds are provided to support the plastic sheets during processing.
Controls on No. 1026 include a digital indicating temperature controller, manual reset excess temperature controller with separate contactors, recirculating blower air flow safety switch, SCR power controller, and eight auxiliary thermocouples connected to a selector switch and temperature indicator.