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The Roh'lix Linear Actuator is a device that converts
rotary motion into linear motion. The Roh'lix uses rolling element ball
bearings that trace a helix pattern along the shaft, which produces a
Rolling Helix, or Roh'lix for short. Available sizes have thrust
capacities ranging from 67 to 889 Newtons and 15 to 200 lbs, shaft
diameters ranging from 8mm to 50 mm and 3/8" to 2", and leads
ranging from 0.625mm to 150mm and 0.025" to 6.00".
The Roh'lix Linear Actuator consists of six pre-loaded bearings that
contact the shaft at an angle. When the shaft is rotated, the bearings
trace out an imaginary screw thread, causing the Roh'lix to travel
linearly along the shaft.
The thrust of the Roh'lix is established by spring force between the two
block halves. The thrust force is adjusted by the thrust adjustment
screws on the top of the block, allowing the thrust setting to be
fine-tuned to individual applications.
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