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Linear Motion Slide – LM™

Dover Motion’s LM™ series linear slide is one of our most popular single axis positioning stages. It incorporates precision crossed roller ways resulting in a high load capacity (up to 175 kilograms) and stiffness as compared to ball way style bearings.

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LM Series Precision Linear Positioning Stage

Description of the LM™ Linear Slide

The LM™ series linear slide incorporates a lead screw for high accuracy and low cost, and comes standard with a 200-count stepper motor. For higher resolution motion, an upgrade to a 400-step-per-revolution stepper motor or servo motor is available.

We also offer an optional rotary encoder to be mounted to the lead screw shaft and provide position feedback with 2000- or 4000-count resolution. The encoder feedback provides the controller with position information to avoid open loop stepping. A manual knob to move the stage when powered off comes standard on LM™ series linear slides, along with end of travel limit switches and D-sub style electrical connectors.

The LM™ series electric linear slide positioning stage has different metric and English lead screw pitch choices depending on application resolution and speed requirements.

Applications for Linear Slides

LM™ series linear slides are used in many applications where stepping or scanning of a part is required. Our customers are using LM™ series to move parts in laser machining equipment, or to scan the surface of magnetic media.

Download the datasheet for additional technical details.

Design Features

  • Crossed roller ways for high stiffness
  • Stage design is only 2.5 inches high
  • Up to 12 inches of linear stage travel


Base ModelGradeLM-200LM-400LM-600LM-800LM - 1000LM - 1200
Travel (inches)24681012
Leadscrew Accuracy (μm)Precision152020202530
Bi-directional Repeatability (± μm)Precision333333
Flatness & Straightness (μm)568101214
Pitch & Yaw (arc-seconds)152025303540
Load Capacity (kg)7595125145175175


  • Motor options available: stepper or screw linear actuators and servo motors
  • Feedback options available: rotary encoder or linear encoder with analog or digital (1  or 0.1 micrometer resolution are standard, other resolutions available upon request)

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