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RDA CR30 NA 30 Ton Capacity Drive and Idler Rolls

Top Features

  • 30 Ton Drive/Idler Roll Set Load-Carrying Capacity
  • 45 Ton Drive Roll Load-Turning Capacity
  • 23" to 267" Vessel Diameter Capacity

Red-D-Arc’s RDA CR30 NA turning roll sets feature all-fabricated-steel base construction with wheel brackets that can be manually positioned to accommodate vessels of varying diameters around a constant center-line. Vessel rotation is via a two-motor, two-wheel-drive system which eliminates the need for torque tubes.

Product Details


Model:RDA CR30 NA turning roll set (drive and idler)
Load Carrying Capacity: Drive: 15 ton maximum
Idler: 15 ton maximum
Set: 30 ton maximum
Rotation Capacity: Drive Roll: 45 ton maximum
Wheel Centre Distance: 27.5, 43.3, 59, 74.8, 90.6, 106.3, 122 in
Vessel Diameter Capacity: 22.4 in to 267.7 in
Rotation Speed Range: 5.1 to 51.1 in/min
Tire Type: Polyurethane, A95 durometer rating
Wheel Size: 20.5 in diameter x 7 in wide
Five Function Control: Push Button Pendant, 50 ft control cable (forward/stop/reverse/speed control/emergency stop)
Rotation Drive Motors: 2 x 1.1 kW with fan cooling
Primary Input Power: 380 to 480 V, 3 phase, 50/60 Hz (optional 600 V, 3 phase, 60 Hz available)
Input Current at Rated Load: 10.5 A
Weight: Drive: 3362 lb
Idler: 2116 lb
Control Box Ingress Protection Rating: IP65
Control Box Electrical Certification: UL508
Loading Capacity Certification: UL2011

Additional Features

Drive motors are inverter-controlled variable-frequency AC-type with fan cooling and are fully enclosed for trouble-free operation. Double reduction worm and wheel gearboxes are used for enhanced durability and extended overhaul intervals. Drive and idler wheel shafts are housed in deep-groove-type roller bearings and gearboxes are of aluminum/bronze construction. Both the drive roll and idler roll have forklift slots built into the frames for easy maneuverability. Control boxes have IP65-rated enclosures and utilize variable-frequency AC-control electrical systems with full UL and CE certification. In addition, all our conventional turning rolls have been tested and certified by UL to establish safe working loads - a first in the weld automation industry.

Options, Accessories and Related Equipment

Rotation Speed Foot Control: FT-1VAR-50 (single pedal) with 50 ft control cable
Directional Foot Control: FT-2DIR-50 (double pedal) with 50 ft control cable

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