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Thermoplastic Annealing Oven

Infrared Heating Technologies recently designed, manufactured, tested, shipped, and installed, a far infrared electric infrared and convection combination oven and control system for annealing PMMA and ABS thermoplastic parts for a major automotive supplier of instrument panel components. The process consists of heating the plastic parts post the extrusion forming process. The oven includes three zones of far infrared electric heaters with heating from below and above the conveyor. A plug/plenum blower mounted inside a distributed hole-pattern plenum in the roof of the oven is implemented for convection assisted mixing and heat transfer. The system includes a variable speed stainless steel flat-flex conveyor belt system with a Teflon cladded support belt slider system. The oven includes independent SCR and PID temperature control of the three zones, and factory mutual approved over temperature limit controls for each zone. All heater elements are accessible and easily changed from the outside of the oven. The oven includes access doors along the entire length of the heat zone and an integrated exhaust port with damper. The system is available with standard digital temperature and variable speed controls and with optional PLC and HMI touch screen controls for recipe generation and selection. Infrared Heating Technologies manufactures a wide variety of custom heater, oven, and furnace systems for specific processes.  Heating technologies include short wave electric infrared, medium wave electric infrared, long wave infrared, electric convection, gas fired convection, Silicon Carbide, Rod Over-Bend (ROB), and others. Infrared Heating Technologies manufacturing facility is located at 2010 HWY 58, Oak Ridge, TN 37830, and all custom heater, oven, and control systems are manufactured in the USA. Call (865) 574-9784 to speak with an applications engineer or email info@infraredheating.com with your specific machine and [...]

Automotive dry and infrared cure oven, cooler, and controls system

Infrared Heating Technologies recently designed, manufactured, tested, shipped, and installed, an electric infrared and convection combination conveyor oven, cooler, and controls system for de-bubbling, drying, curing, and cooling a screen printed fluoroelastomeric coating on a stamped stainless steel automotive head gasket layer for a major automobile parts supplier. The process includes de-bubbling the screen printed coating with a high intensity short-wave electric infrared section, levelling the coating, drying the coating with a combination of medium wave electric infrared and convection, curing the coating with medium wave electric infrared, and cooling the coating with a heat exchanged forced air cooler. The oven, cooler, and controls system includes a high temperature rated Teflon coated fiberglass belt conveyance system with an automated pneumatic tracking system and a pneumatic belt tensioning system. An integrated exhaust plenum located below the belt exhausts the heavier than air volatiles (EB Acetate) released from the coating during the drying and curing stages. This exhaust plenum also serves as the slider support system for the conveyor belt. The oven includes all provisions per NFPA 86 class A oven standard for processing solvents including but not limited to rated exhaust blower, differential pressure switches on all blowers, fixed purge safety circuit, explosion relief hinged doors, E-Stop safety relay and dual channel monitoring, and photo-eye sensors at both the load and unload positions to ensure proper conveyor belt position. A full risk assessment was completed by IHT and issued to the customer prior to the design of the class A oven for processing the solvent based coating. The system includes five heat control zones and an air conditioned forced-air cool zone. The system is turn-key and includes all SCR, temperature, factory mutual approved over temperature, blower [...]

Air Bag Initiator Proofing Conveyor Oven System

Air Bag Initiator Proofing System. Infrared Heating Technologies recently designed, manufactured, tested, and shipped a high impingement air convection indexing conveyor oven, forced ambient air cooler, and controls system for “proofing” automotive air bag initiators for a major automobile parts supplier. The oven, cooler, and controls system includes a double pitch roller chain slat indexing conveyance system with nesting positions for the air bag initiator parts, a dual convection heat zone oven section including ramp and soak temperature controlled heat zones, high flow impingent hot air from below the conveyor, an ambient forced-air high velocity impingement cool zone, and pneumatically actuated insulated oven doors with a cam follower tadpole gasket sealing system. The door openings also include silicone strips for holding heat inside the oven while the doors are in the open position during part indexing. The system is turn-key and includes all SCR, temperature, factory mutual approved over temperature, blower motor, and indexing conveyor motor speed indexing and dwell time controls. The indexing slat conveyance includes explosion relief nesting positions and steel containment rails located above each of the six rows of air bag initiators. The system also includes factory mutual approved differential pressure switches for monitoring the operation of the ramp recirculation blower, the soak recirculation blower, and the cooling blower, safety circuitry with E-Stop safety relay and dual channel monitoring, photo-eye sensors at both the load and unload positions for locating the parts and conveyor positions, and contact switches for locating the pneumatic door positions. The air bag initiator parts are “proven” by heating the air bag initiators to temperature, and then cooling the parts prior to unloading. Production rate is approximately six air bag initiator parts every two minutes. All heater [...]

By |September 17th, 2015|Uncategorized|0 Comments