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Top Features

  • Elevating Head and Tailstock
  • 20,000 lb Capacity

The Red-D-Arc RDA EHTS200 NA consists of an elevating headstock and tailstock assembly each with two vertical columns and machined slideways connected by fabricated tie frames offering a combined capacity of 20,000 lb

Product Details


Model: RDA EHTS200 NA
Capacity: 20,000 lb (10,000 kg)
Rotation Speed: 0.5 RPM
Table Diameter: 40 in (1000 mm)
Minimum Height to Centerline: 40 in (1000 mm)
Maximum Height to Centerline: 120 in (3000 mm)
Elevation Speed: 24 in/min
Rotation Motor: 1.1 kW AC motor with emergency brake
Rotation Gearbox: Worm geared
Elevation Geared Motor: Helical geared
Ground Capacity: 300 A (each unit)
Primary Input Power: 380 to 480 V, 3 phase, 50/60 Hz (optional 600 V, 3 phase, 60 Hz available)
Control Voltage: 24 V
Control Functions: Emergency stop, elevation (raise/lower), rotation (clockwise/counter-clockwise)
Height: 160 in (4000mm)
Width: 82 in (2100mm)
Length: 60 in (1500mm)

Additional Features

The elevation drive is via an AC geared motor reduction worm gear actuator, re-circulating ball screw and nut. The machine is fitted with a control station mounted on the side of the headstock frame and fitted with an isolating switch, emergency stop, elevation (raise/lower) and rotation (clockwise/anti-clockwise) controls.

Supported between the two vertical columns of both the headstock and tailstock assemblies are fabricated steel carriages, which run on 12 anti-friction rollers, 6 of which are adjustable to ensure minimum “free play”. The rotation drive is housed inside the headstock assembly carriage and consists of a worm reduction gearbox driven by a single speed AC motor with timing belt and pulleys. The final drive is straight spur gear pinion onto an internal gearing-slewing ring, supporting the faceplate.

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