LLZ belt linear drives

Roller linear guide with toothed belt drive for the carriage. Four profile size groups: 40, 60, 80, and 100. Max. feed force: 4.0 kN. Max. carriage load: 210 kg. Max. linear speed: 10 m/s. Positioning precision: 0.1 mm. Ideal for long strokes > 6,000 mm (max. 24 meters). Optional corrosion-resistant and low-noise LLN version.

LLZ belt linear drives

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The guide body consists of a square aluminum profile with an integrated roller guide for the carriage. The carriage moves along it using an internal circulating toothed belt. At one end, there is a belt deflection system with an integrated coupling claw on both sides. On the opposite end, there is a plate with a belt tensioning device. This series allows for the creation of multi-section units with a length of over 24,000 mm.

Features of LLZ belt linear drives:

  • Aluminum linear system with an internal roller guide for the carriage and a toothed belt drive.
  • HDT toothed belt with steel reinforcement, guided inside the aluminum profile.
  • The carriage is mounted on five rollers as standard, which can be adjusted and serviced in any position.
  • The positioning system can be lubricated via two grease nipples on the slider.
  • Low installation height, a major advantage of this linear drive.
  • No backlash during direction changes.
  • Suitable for fast positioning tasks.
  • Ideal for both light and heavy loads.
  • High repeatability with short cycle times.
  • Linear axes can be easily combined into multi-axis systems using standard accessories.
  • High linear speeds and accelerations.
  • Long service life.
  • Long stroke lengths up to 24,000 mm.
  • Low maintenance costs.
  • Quiet operation – low noise level.
  • Temperature range: -25°C to +75°C.
  • Available in food-grade versions.

LLZ linear belt drives table:

Type Max. Speed (m/s) Belt Type Drive Wheel Circumference (mm/rev) Input Shaft Size (mm) Idle Torque (Nm) Max. Feed Force Fx (N) Max. Carriage Load (N) Base Weight (kg) Weight per 100mm (kg)
m/s HTD mm/1obr mm Nm N N kg kg
LLZ40 / LLN40 4,0 3M20 75 6 x 15 0,4 250 210 0,69 0,22
LLZ60 / LLN60 6,0 5M30 130 14 x 35 0,6 960 845 1,75 0,41
LLZ80 / LLN80 10,0 8M30 176 18 x 45 0,8 1800 1700 8,45 0,90
LLZ100 / LLN100 10,0 8M50 224 22 x 45 1,2 4000 2100 14,56 1,18

 

Optional Versions of LLZ Belt Linear Drives:

  • Corrosion-resistant version
  • Low-noise and low-vibration version – LLN series

Low-noise and low-vibration linear drive versions: LLN60 / LLN80

  • The belt is guided within the profile, making the system independent of the mounting position.
  • The corrugated belt is self-running and features very low noise levels during operation due to a 45° tooth offset.
  • Virtually vibration-free in transition sections.

 

Accessories for LLZ Belt Linear Drives:

  • Adapters: motor and gearbox flanges
  • ROTEX jaw coupling
  • Mounting profiles
  • Sensor brackets for inductive sensors and limit switches
  • Mounting plate
  • Sliding T-nuts for the carriage and aluminum profile
  • Planetary gearboxes
  • Right-angle gearboxes
  • Spacer shaft for parallel synchronization of two belt linear drives
  • Cable carriers

 

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Catalogs

LLZ_EN.pdf – Product datasheet for LLZ belt linear drives by Bahr in English

LLN_EN.pdf – Product datasheet for LLN low-noise linear drives by Bahr in English

LLZ_LLZE_INSTRUCTION.pdf – Installation manual for LLZ/LLZE belt linear drives by Bahr in English

LLN_INSTRUCTION.pdf – Installation manual for LLN low-noise linear drives by Bahr in English

ACCESSORIES_EN.pdf – Accessories for linear drives and guides by Bahr in English

Faxanfragen.pdf – Inquiry form for linear drives and guides by Bahr

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54 – 530 Wrocław, Polska

 

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