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Cross Roller Bearing Mechanism

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1" (25 mm) TravelMax Stage with Manual Adjusters




  • Micrometer or Differential Drive Options
  • Crossed Roller Bearings for High Load Capacity
  • Solid, All-Steel Construction

Features

  • 1" (25 mm) Travel
  • Available with Differential or Micrometer Drive
  • Rugged, Thermally Matched, All-Steel Construction
  • Right- or Left-Handed, XYZ Configurable
  • Extremely Durable and Long Lasting

The LNR25 series of stages offer excellent stability and high load capacity, making them ideal solutions for all translation applications. Their rigid, all-steel construction and heavy-duty cross-roller bearings provide uniform performance over the entire range of motion. The LNR25M is fitted with the imperial 150-811ST micrometer, which provides 1" of travel, 0.025" of translation per revolution, and 0.001" graduations. Its metric counterpart, the LNR25M/M, is fitted with the 150-801ST micrometer, which provides 25 mm of travel, 0.5 mm of translation per revolution, and 0.01 mm graduations.

For applications that require increased resolution, consider the LNR25D, fitted with the DM12 differential actuator. The coarse adjustment uses a 0.5 mm pitch thread that provides 0.013" (318 μm) translation per revolution with a range of 1" (25 mm). The coarse adjustment can be locked using a thumbscrew located on the mounting collar. The differential adjustment, which features a vernier scale with 0.5 μm graduations, provides 0.001" (25 μm) of translation per revolution over a 0.01" (250 μm) range.

Designed with the highest quality linear rails available, the performance is further enhanced by using thermally matched materials that ensure stable, smooth performance, even in less-than-ideal conditions. A locking screw located on the opposite side from the actuator optionally holds the moving stage in place.

Wide Range of Mounting Options
The TravelMax™ was designed with flexibility and functionality in mind. The top surface of the LNR25 stage, shown to the right, is equipped with an array of seven 1/4"-20 (M6) tapped holes to maximize the mounting options for moving components. Two through holes in the top platform give access to two 1/4-20" (M6) counterbored holes that allow the stage to be bolted directly to the work surface. The position of the actuator mounting blocks is easily reconfigured to allow left-hand or right-hand use.

The LNR25P1 base plate, shown to the left, provides additional mounting options and provides extra clearance between the stage and the work surface. Counterbored clearance holes match up to the tapped holes in the base of the stage, permitting mounting in two orthogonal orientations. The plate measures 100 mm x 195 mm x 10 mm (3.9" x 7.7" x 0.47") [L x W x H], ships with two dowel pins, and includes four alignment holes to ensure mounting orthogonality.

Multiple LNR25 series stages can be bolted together in XY, XZ, YZ, or XYZ configurations for applications where movement is required in more than one axis. The LNR25P2 angle bracket, shown to the left, provides the vertical mounting necessary for movement in the Z direction. The plate is shipped with four dowel pins and includes four alignment holes on each face to ensure orthogonality when mounting stages.

TravelMax™ Specificationsa
Travel 25 mm (1")
Minimum Step Size 1, 10, or 25 µmb
Horizontal Load Capacity 20 kg (44 lbs)
Vertical Load Capacity 8 kg (17.6 lbs)
Runout Over Full Range ±1.5 µm (±0.000059")
Bearings Crossed Roller
Body Construction All Steel
Weight (Including Drives) LNR25D: 0.57 kg (1.26 lbs)
LNR25M: 0.61 kg (1.34 lbs)

a See the Specs tab for additional specifications.
b The minimum step size is determined by the actuator.

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