Polarization Positioners

Polarization Positioners
Model: MEC-POL

Our polarization positioners support loads up to 27,216 kg (60,000 lb) and are equipped standard with either brushless servo or stepper motors, high efficiency powertrain components, absolute or incremental position feedback, and user-adjustable hardware limits. A broad selection of performance, convenience, and protection options enable you to configure the positioner for your specific application.


Features
  • Bending moment up to 122,024 Nm (90,000 ft-lb)
  • Precision native accuracy & construction
  • Industry leading power-density vs. size
  • Payloads up to 27,216 kg (60,000 lb)
  • Superior reliability & longevity
  • Standardized add-on options
  • Durable marine-grade finish
  • All-weather design


Datasheet     Configure / Quote
  • Specifications
  • Applications
  • Standard Components
  • Available Add-Ons
Ultra light duty
Operating Load 73 – 816 kg (160 – 1,800 lb)
Bending Moment, Operation 27 – 477 Nm (20 – 352 ft-lb)
Light capacity duty
Operating Load 454 – 4,536 kg (1,000 – 10,000 lb)
Bending Moment, Operation 1,356 – 4,745 Nm (1,000 – 3,500 ft-lb)
Medium capacity duty
Operating Load 5,443 – 9,072 kg (12,000 – 20,000 lb)
Bending Moment, Operation 16,270 – 27,116 Nm (12,000 – 20,000 ft-lb)
Heavy capacity duty
Operating Load 18,144 – 27,216 kg (40,000 – 60,000 lb)
Bending Moment, Operation 54,233 – 81,349 Nm (40,000 – 60,000 ft-lb)

Ideal for
  • Pointing & tracking
  • Antenna testing
  • Radome measurement
  • Satellite payload testing
  • Radar Cross Section (RCS) measurement
  • Ground communication
  • General purpose positioning
  • Factory automation
  • Scientific and R & D
  • Surveillance
Includes
  • MEC-POL Polarization Positioner
  • Instruction Manual
  • Maintenance Manual
  • Interface Control Drawing (ICD)

Factory Installed Options:

Position Feedback Option
  • PF1: Off-Axis Absolute Encoder
    • Standard absolute feedback with Encoder
  • PF3: High Accuracy, ±0.005 degrees native read-out accuracy for most positioners
    • Replaces standard absolute feedback with center-drive high accuracy absolute encoder Options are available, to further enhance the native accuracy using error correction techniques. See Enhanced Accuracy Options brochure for additional information.

Limit Switch Options
  • LS0: No Limits, Continuous Rotation
  • LS1: Restricted Rotation up to ±200 degrees (adjustable)

RF Path Option
  • RJ Rotary Joint (Continuous Rotation)
    • Adds a single channel RF path inside the positioner supporting continuous, unrestricted rotation of the axis. The factory installed kit contains RF rotary joint and internal RF cabling.
  • RF Path (Restricted Rotation)
    • Adds a single channel RF path inside the positioner with restricted travel of the positioner up to a ±200 degree travel range. The factory installed kit contains internal RF cabling.

Electrical Path Option
  • CRU (Continuous Rotation for Upper-Axes)
    • Adds an electrical path inside the positioner supporting continuous unrestricted rotation of the upper motorized axis. The factory installed kit includes an internal electrical slip-ring assembly and internal wiring.
  • RRU (Restricted Rotation for Upper-Axes)
    • Adds an electrical path for upper motorized axes inside the positioner supporting restricted rotation up to ±200 degrees. The factory installed kit includes internal wiring.
  • CRT (Continuous Rotation for Thru-Contacts)
    • Adds an electrical path inside the positioner supporting continuous unrestricted rotation for dedicated thru-contacts. The factory installed kit contains an internal electrical slip-ring assembly and internal wiring.
  • RRT (Restricted Rotation for Thru-Contacts)
    • Adds an electrical path inside the positioner supporting restricted rotation up to ±200 degrees for dedicated thru-contacts. The factory installed kit contains an internal wiring harness, cap and chain protectors.

Convenience & Protection Options

Center Access Tube:

Adds an access tube installed inside the center of the positioner to support cabling in restricted travel applications and service loops.

Stow-Pin

Adds manual stow-pin and mating receptacle to protect the positioner’s drive-train in susceptible environments such as high wind-gust exposure in outdoor environments and high-load pick-up mode applications. Includes electrical interlock circuit for disabling the servo system when stow-pin is inserted. Default position is zero (0) degrees. Alternate stow-pin angle locations are available upon request (zero degrees standard).