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Linear unit LES 5 with Spindle drive

The isel LES 5 Linear Unit with Spindle Drive is a heavy-duty precision linear axis developed for sophisticated automation and demanding industrial applications. Featuring a robust aluminium profile, four precision steel guide shafts and a high-performance spindle drive, the LES 5 delivers exceptional rigidity, accurate positioning and reliable linear motion. With repeat accuracy of ±0.02 mm and a choice of ball screw pitches, it is ideal for applications requiring high load capacity and precision.

linear unit les 5 with spindle drive featured

Features

  • Spindle drive for precise linear positioning
  • Aluminium shaft support profile (225 x 75 mm) with natural anodised finish
  • Four precision steel guide shafts Ø12 h6 (Cf53, 60 ±2 HRC)
  • Backlash-free aluminium shaft slide with central lubrication
  • Ball screw pitches of 2.5, 4, 5, 10 and 20 mm
  • Repeat accuracy of ±0.02 mm
  • Integrated limit and reference switches
  • Abrasion-resistant profile sealing lips
  • Sealed angular contact ball bearings
  • Compatible with stepper or servo motors

Highlights

The LES 5 is engineered for demanding automation systems where high rigidity, precision and load capacity are essential. Its wide aluminium profile, four hardened precision steel guide shafts and backlash-free spindle drive provide outstanding stability and repeatability, while abrasion-resistant sealing and sealed bearings ensure long service life with minimal maintenance.

Options

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

Applications

Suitable for industrial automation, mechanical engineering, handling systems, assembly machinery, positioning systems, production equipment and other applications requiring precise, repeatable linear motion under higher loads.

Technical Data

Construction

  • Material: AlMgSi0.5 F22
  • Anodised finish: E6/EV1
  • Profile dimensions: 225 x 75 mm

Performance

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

Profile Data

  • Moment of inertia (Ix): 2361.654 cm⁴
  • Moment of inertia (Iy): 298.925 cm⁴
  • Centre of gravity: 33.39 mm
  • Cross-sectional area: 42.49 cm²

Weight

  • With steel shafts: 13.8 kg/m
  • With steel shafts and spindle: 15.2 kg/m

PDF Downloads

Assembly Instruction LES 4 5 6