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Linear unit LES 6 with Spindle drive

The isel LES 6 Linear Unit with Spindle Drive is a precision-engineered linear axis designed for demanding positioning and automation applications. Featuring a robust aluminium profile, four precision steel guide shafts and a high-accuracy ball screw drive, it delivers smooth, repeatable motion with exceptional rigidity. With repeat accuracy of ±0.02 mm and a choice of ball screw pitches, the LES 6 is ideal for applications requiring reliable and accurate linear movement.

linear unit les 6 with spindle drive gallery 1

Features

  • High-precision spindle-driven linear unit
  • Robust aluminium shaft support profile (150 x 75 mm)
  • Four precision steel guide shafts (Ø12 h6, Cf53, 60 ±2 HRC)
  • Face-milled clamping surface and profile underside
  • Backlash-free aluminium shaft slide with central lubrication
  • Ball screw drives available with 2.5, 4, 5, 10 or 20 mm pitch
  • Abrasion-resistant profile sealing
  • Integrated limit and reference switches
  • Repeat accuracy of ±0.02 mm
  • Compatible with stepper or servo motors

Highlights

The LES 6 combines a rigid aluminium profile, four precision guide shafts and a high-accuracy ball screw drive to provide exceptional positioning performance. Its backlash-free guidance, integrated limit switches and ±0.02 mm repeat accuracy make it an excellent choice for demanding automation, assembly and precision engineering applications.

Options

  • Black anodised aluminium profile
  • Stepper or servo motor
  • Electromagnetic brake in the motor module or spindle extension
  • Steel carriage
  • External limit switch mounting kit

Applications

Suitable for mechanical engineering, automation systems, precision positioning, assembly equipment, production machinery and other industrial applications requiring accurate, repeatable linear motion.

Technical Data

Construction

  • Profile dimensions: 150 x 75 mm
  • Material: AlMgSi0.5 F22
  • Anodised finish: E6/EV1
  • Centre of gravity: 32.78 mm
  • Cross-sectional area: 30.07 cm²

Guide System

  • Four precision steel shafts Ø12 h6
  • Backlash-free WS 5/70 aluminium shaft slide
  • Central lubrication
  • Sealed angular contact ball bearings

Performance

  • Repeat accuracy: ±0.02 mm
  • Ball screw pitches: 2.5, 4, 5, 10 or 20 mm

Weight

  • Weight with steel shafts: 11.4 kg/m
  • Weight with steel shafts and spindle: 12.8 kg/m

Profile Properties

  • Moment of inertia (Ix): 707.100 cm⁴
  • Moment of inertia (Iy): 212.200 cm⁴

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