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Model

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TDRA-20

TDRA-20 Turning Roll

Top Features

  • 20 Ton Drive/Idler Roll Set Load-Carrying Capacity
  • 30 Ton Drive Roll Load-Turning Capacity
  • 6" to 14' Vessel Diameter Capacity

Designed and constructed to provide safe, reliable operation, the TDRA-20 Ton capacity turning roll is a excellent tool for increasing welding productivity on large weldments. On rubber-tired models the rollers absorb shock during loading and cushion the load during welding. A steel overload-disc protects the rubber tires from excessive overloads. The final-drive gearcase is fully enclosed and constructed entirely of steel, and bronze-aluminum worm gears give maximum durability to the final drive.


Product Details

Specifications

Carrying Capacity:Drive Roll/Idler Roll Set: 20 ton (10 ton driver, 10 ton idler)
One additional Idler-Roll: 30 ton (10 ton driver, 2 x 10 ton idler)
Turning Capacity: Drive Roll: 30 ton
Tractive Capacity: 5,500 lb
Work Piece Diameter Range: 6 inches to 14 feet
Frame Material: Welded steel channel
Precision: Jig-drilled roller mounting holes
Adjustability: Six center distance settings
Roller Base Position: Adjustable
Drive Motor: Variable speed DC, 1.5 horsepower
Wheel Speed: 1.9 to 57" per minute
Motor Control: Solid-state with dynamic braking
Drive Train Gearboxes: Welded steel, worm drive
Worm: Hardened steel
Worm gear: 90,000 psi aluminum bronze
Pillow Blocks: Welded steel, tapered roller bearings
Drive Shaft: Tubular steel
Wheels: 15" x 7" solid rubber
Backup Discs: 2 steel discs per axle
Driver Weight: 1,400 lb
Idler Weight: 850 lb
Control Panel Functions: On/Off, Hand/Foot (Local/Remote) Selector
Remote Hand Control:
(required)
PB-4-50 Four-Function Hand Pendant Control - Start, Stop, Rotation Direction, Rotation Speed
Remote Foot Controls: Optional FT-2-25 Remote Foot Control* Controls Rotation-Direction: 2-pedal foot switch (forward/reverse)
Optional FT-1VARI-25 Remote Foot Control* Controls Rotation-Speed: Single-pedal foot switch
*The FT-2-25 and FT-1VARI-25 remote foot controls cannot be used simultaneously and should not be connected to the control panel at the same time.

Additional Features

Designed and constructed to provide safe and dependable operation. On rubber-tired models the rollers absorb shock during loading and cushion the load during welding. A steel overload-disc protects the rubber tires from excessive overloads. The final-drive gearcase is totally enclosed and constructed entirely of steel, and aluminum-bronze worm gears provide maximum strength and durability to the final drive.

Options, Accessories and Related Equipment

Options
FT-2-25 Remote Foot Control
FT-1VARI-25 Remote Foot Control

Related Equipment
FT-2-25
FT-1VARI-25

TDRA-20

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Airgas

Airgas, an Air Liquide company, is the nation's leading single-source supplier of gases, welding and safety products. Known locally nationwide, our distribution network serves more than one million customers of all sizes with a broad offering of top-quality products and unmatched expertise.