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Imperial Electric Elevator Traction Machines Brochure

Imperial Electric Elevator Motors Brochure

 

Double Wrap

Imperial Electric, an industry leader with over 100 years of experience in electromechanical devices bring Gearless AC Synchronous Permanent Magnet Machines to the elevator market.

Unlike traditional induction motors that lose efficiency at lower speeds, Imperial gearless AC machines provide unusually capable low speed, high torque operation - and consume up to 40% less power than traditional asynchronous motors. Imperial gearless AC machines are also noticeably quieter than the competition and are nearly maintenance-free.

Imperial machines are known for durability and reliability. Imperial gearless AC machines use rugged cast iron frames protecting a totally enclosed, self-cooling motor. Machine brake and sheave assemblies are removable and replaceable - features that will provide cost savings over long years of service.

Frame 900 ACPM Gearless Machines - model 908. Speeds up to 2000 foot per minute (10 m/s) for up to 8,000 pound car capacity for 1:1 roped applications and 1000 foot per minute (5 m/s) for up to 16,000 pound car capacity for 2:1 roped applications.

 

Specifications:

  • 120,000 pound sheave shaft load, 60,000 pound suspended load
  • 1:1 or 2:1 roping
  • U-groove for double wrap traction
  • Up to 3/4" rope diameter
  • 2000 foot per minute (10 m/s) for up to 8,000 pound (3,636 kg) car capacity for 1:1 roped applications
  • 1000 foot per minute (5 m/s) for up to 16,000 pound (7,272 kg) car capacity for 2:1 roped applications
  • Drive Sheave is 30" diameter
  • Machine weight: 14,200 pounds

Features:

  • Precise acceleration, deceleration, and contract speed control
  • Low noise
  • Highly efficient
  • Green - no oil lubricants
  • Direct drive DC gearless replacement
  • Cooler operation
  • Dual, independent brakes eliminate external rope brake (each brake set will hold 125% of rated capacity), 2 caliper set for primary brake and 2 caliper set for emergency brake, 4 calipers total
  • UL/CSA CUS Certified

Applications:

  • Modernization and new construction
  • 1:1 or 2:1 roped installations
  • High rise or heavy load
  • Overhead, Basement and Sidepull Applications

Dimensions