The Main Curtain serves as a crucial divider, both visually and acoustically. It separates the audience from the stage and helps to define the start and end of each performance. More than just a barrier, it frames the stage and enhances the overall aesthetic of the venue. Moreover, it becomes a central focal point as the audience waits in anticipation. Its fabric, color, and texture are often chosen to reflect the character of the hall or studio. This adds a sense of prestige and refinement. Typically, this curtain is suspended from a robust track system. This allows it to open horizontally from the center outwards or to one side, if required, ensuring smooth, silent movement. The main horizontal curtain can also be used during transitions, scene changes, and special effects. Thus, it plays an active role in stagecraft and production design.
Technical Specifications
Electrical
Type: 3Phase, AC Electric motor-driven.
Drive: Worm-geared winches
Braking:Electro-mechanical, safety factor 2:1
Protection: Overload, Short-circuit
Drive Line
Material: HS galvanized steel wire ropes
Diameter: Sized for required safety factor/SWL
Master Trolley Capacity: [Fabric-Wt / 2] + 20%
Runner Trolley Capacity: 5kg per carrier
Opening Speed: Variable speed, 0.1 – 0.3 m/s. The opening speed is vital for operating the main horizontal curtain efficiently.
Safety & Control Features
Operator Console: Manual Open. Close, Stop
Emergency Stop: Mushroom-Head button
Status Indicator: position, error code
Computerized: Control from DMX Console. Store, Recall precise positions: Yes
Synchronized MovementCapabilities: Yes
Key lock for authorized operation: optional
Limit Switch: Travel limit switch
Over-Temperature: Yes, thermal protection.
Deadman Switch: Yes, for Manual control
Position Monitoring: Precise position (opt)
Fabric: Double-pleated velvet
Fabric Density: 1.2kg/linear mtr (un-pleated)
Pleating-Factor: 150%-fullness (250% material). The fabric choice for the main horizontal curtain enhances its aesthetic appeal.
Operating Conditions
Operating Temperature: 10°C to 40°C
Humidity: 20% to 80% non-condensing. These conditions ensure reliable operation of the main horizontal curtain.
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