Component

Linear unit LEZ 3 with toothed belt drive

The isel LEZ 3 Linear Unit with Toothed Belt Drive is a high-performance linear axis designed for demanding industrial automation and handling applications. Combining a rigid aluminium profile with an LFS-8-4 miniature linear guide and a backlash-free toothed belt drive, it delivers fast, smooth and accurate linear motion. With feed rates of up to 5 m/s and a choice of 70 mm or 150 mm feed per revolution, the LEZ 3 offers the flexibility and precision required for high-speed positioning systems.

Highlights & Features

Features

High-speed toothed belt drive for fast linear motion
Robust aluminium profile with LFS-8-4 miniature linear guide
Backlash-free toothed belt drive with 5 mm pitch and 25 mm belt width
WS 3 shaft slide (176 x 130 mm)
Feed per revolution of 70 mm or 150 mm
Maximum feed speed of 5 m/s
Repeat accuracy of ±0.2 mm
Limit and reference switch accuracy of less than 0.1 mm
Motor modules can be mounted on either the left or right side

Highlights

The LEZ 3 combines high-speed belt-driven performance with flexible feed options and precise linear guidance. Offering travel speeds of up to 5 m/s, repeat accuracy of ±0.2 mm and the option of 70 mm or 150 mm feed per revolution, it is ideal for demanding industrial handling, positioning and automation systems.

Equipment, Options & Controls

Options

Special lengths in 100 mm increments up to 6000 mm
Direct drive with stepper or servo motor
Mechanical limit switches

Applications & Workpieces

Applications

Suitable for mechanical engineering, industrial automation, handling systems, transfer equipment, pick-and-place applications, positioning systems and production machinery requiring fast, accurate and reliable linear motion.

Technical Specifications

Technical Data

Drive System

Drive type: Toothed belt drive
Belt type: HTD 5M
Belt width: 25 mm
Feed per revolution: 70 mm or 150 mm
Maximum feed speed: 5 m/s
Repeat accuracy: ±0.2 mm
Limit/reference switch accuracy: <0.1 mm

Carriage

WS 3 shaft slide: 176 x 130 mm
Carriage weight: 0.94 kg

Weight

Weight without drive module (1000 mm): 10.5 kg
Specific guide weight: 0.648 kg per 100 mm
Toothed belt mass: 0.09 kg/m
Total carriage weight: 2.03 kg

Additional Specifications

Effective pulley diameter (70 mm feed): Ø22.28 mm
Effective pulley diameter (150 mm feed): Ø47.75 mm
Mass moment of inertia (70 mm feed): 5.58 × 10^-6 kgm²
Mass moment of inertia (150 mm feed): 1.796 × 10^-4 kgm²

Rotary Swivel Unit DSH-M

Rotary Swivel Unit DSH-S

Rotary Axis RDH-M

Rotary Indexing Table RDH-S

Rotary Indexing Table RDH-XS

Rotary Axis ZD 30

Linear unit LEZ 9 with toothed belt drive

Linear unit iLE 20/20 with Spindle drive

Rotary Indexing Table RF 1