The choice of curing chamber door and curtain solutions depends upon the following customer specific criteria:
- Level of automation
- Height of transport equipment
- Width and height of chamber(s)
- Budget
Curing Chamber Doors
Let us help you select the best type of door to meet each particular need.
Manual Doors & Curtains
Entryways that are accessed by lift-truck are best sealed with manually operated curtains, tarp doors or sliding doors. When an exhaust system is used, a provision should be made in the lower portion of the door for fresh make-up air. Otherwise, the money spent on the exhaust system is wasted.
Automatic Doors
Automatic doors are designed to be integrated into fully automatic production systems that use automatic transport equipment for loading and unloading curing chambers or tunnels.
Features
Curtains
Used for very wide openings.
Hung from an overhead rail that runs the width of opening.
Pulled to the side during loading and unloading, and closed during curing.
Fastened with Velcro™ or grommets and pulled taut to prevent bellowing.
Tarp Doors
Raised during loading and unloading, and are lowered during curing.
Fitted with pockets that hold horizontal stabilizing bars.
Raising and lowering is performed via ropes and pulleys.
An economical solution.
Sliding Doors
Sliding doors are made of insulated panels with galvanized steel frames.
Sliding doors provide greater stability and durability.
Fixed to an overhead rail for movement side to side.
Use of rubber seals/gaskets reduces heat and moisture leakage.
Insulation significantly reduces condensation.
Automatic Tarp Doors
Made of nylon-reinforced vinyl and provide no significant insulation value.
Reinforced with horizontal steel bars that provide weight and serve as guides in the door rails.
Provide a barrier to the exit of vapor from the curing chamber.
Mounted to a steel axle driven via an electric motor and transmission which is suspended from a console above the chamber opening.
Door position may be controlled internally through dip switches in the transmission or externally through position switches.
The addition (optional) of a contact switch in the rubber seal along the bottom of the door provides automatic shut-off if an object prevents door closure.
Automatic Insulated Roller-Shutter Doors
Manufactured of interlocked aluminum shutters filled with mineral wool or polyurethane foam.
Provide high insulation value and condensation reduction.
Mounted to a steel axle driven via an electric motor and transmission, suspended from a console above the chamber opening.
Door panels are capped at both ends with Teflon™ guides to reduce wear, provide better movement and reduce noise.
Automatic Insulated Sliding Doors
Used in conjunction with single-atmosphere curing chambers with automatic transport equipment.
Creates an entry of 25ft (8m) high and 15ft (4.5m) wide.
Door cycle time is four seconds or less.
Hung from track located above chamber opening.
Most effective when combined with correctly sized exhaust system located above door to prevent heat and moisture from entering the production area.
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