Instruction Manual

Polarization Positioners – Heavy Duty

AL-2860-1P

•

AL-2861-1P

HEAVY DUTY

➊ APPLICATIONS

• General Purpose Positioning

Subsystems

• Far-Field & Near-Field Antenna

Measurements

• Indoor & Outdoor Use

➋ PRODUCT HIGHTLIGHTS

• Operating Loads up to 33,000 lbs

(14,970 kg)

• Turntable Diameters up to 48.0 in

(1,219 mm)

• Excellent Angular Position Accuracy

• Low Backlash Design

• Precision Bearings

• Closed Loop Servo Control

• Industry-Standard Wiring

• Tachometers for Optimum Speed

Regulation & Control

• Wide Operating Temperature Range:

- 4° F to 140° F (- 20° C to 60° C)

• Fully Enclosed Design of Drive Gear

Train & Data Take-Off

• Wide Variety of Available Options

ORBIT/FR Legacy Series polarization positioners

provide accurate rotation, velocity, and direction

for customers involved in antenna design

and development.

Their rugged yet simple construction ensures maximum

reliability and trouble-free operation, yielding the best

size and weight versus performance ratio.

Typically, the primary components include the body, precise slew bearing, DC motor, gear reducer,

synchro assembly, and limit switch assembly. The turntable surface is designed with a threaded mounting

hole pattern for customer use. A Safe/Operate switch is included to ensure the safety of working personnel.

AL-2860-1P

LEGACY SERIES POL

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LEGACY SERIES POL HEAVY DUTY > Polarization Positioners – Heavy Duty AL-2860-1P • AL-2861-1P ➊ APPLICATIONS • General Purpose Positioning Subsystems • Far-Field & Near-Field Antenna Measurements • Indoor & Outdoor Use ➋ PRODUCT HIGHTLIGHTS AL-2860-1P • Operating Loads up to 33,000 lbs (14,970 kg) • Turntable Diameters up to 48.
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supplied accessories > CD-ROM Documentation Set: User Manual (Installation, Setup, Operation & Maintenance) technical notes 1 All accuracy data is based on no-load conditions. Contact ORBIT/FR for accuracy under load conditions. 2 All models are equipped with adjustable limit switches capable of approx 20° to 900° total travel. When rotary joint and slip ring options are speciﬁed, limit switches remain but are electrically disabled.
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Speciﬁcations - Legacy Series Polarization Positioners Heavy Duty Positioner Model Parameter Units AL-2860-1P AL-2861-1P Outline Dimension Drawing Number 18-6912 18-6912 Technical Notes 1, 2, 3 1, 2, 3 ft-lbs 32,000 40,000 kg-m 4,420 5,530 lbs 26,400 33,000 kg 11,980 14,970 ft-lbs 6,000 18,000 kg-m 830 2,490 ft-lbs 25,000 25,000 kg-m 3,460 3,460 Drive Power hp 3/4 5 Nominal Speed rpm 0.2 0.
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Positioner Model Parameter Units AL-2860-1P AL-2861-1P EN001 Incremental Encoder (Standard Accuracy) Opt Opt ± 0.02 ± 0.02 Opt Opt ± 0.005 ± 0.005 Opt Opt ± 0.005 ± 0.005 Opt Opt ± 0.02 ± 0.