Piezo LEGS® Z-Axis Precision Stages

Motion, perfected.

Two vertical-positioning mechanisms for travel-led or load-led applications.

3 / 12 mm

Vertical travel

0.5 / 5 kg

Load options

40 nm

Encoder resolution

A precision stage built for stable, repeatable positioning

The Z-axis family includes a 12 mm direct vertical stage and a compact 3 mm horizontal-lift stage. The correct choice is driven by mechanism, travel, installation envelope and payload requirement.

Key benefits

Vertical and horizontal-lift mechanisms
12 mm or 3 mm total travel
0.5 kg or 5 kg load capacity
40 nm encoder resolution
20 N actuator stall force
Stable fixed-position holding

Where this stage fits

The Z-axis family brings two different vertical mechanisms onto one customer-selection page. The vertical Z model provides 12 mm travel for focus, height and working-distance adjustment. The horizontal-lift model converts horizontal actuation into a compact 3 mm lift and supports the higher stated load.

Why Piezo LEGS® direct drive

Both stages use integrated encoder feedback and Piezo LEGS® holding behaviour, but they solve different mechanical problems. The vertical model prioritises travel; the horizontal-lift model prioritises compact installation and load capacity. Both can maintain a selected position without continuous motor power.

Small movement. Big impact.

When precision defines performance, every movement matters. Piezo LEGS® technology delivers direct, controlled motion without the complexity of conventional transmission mechanisms.

PRECISION

40 nm resolution for controlled height adjustment.

STABILITY

Mechanically stable holding at the selected height.

CHOICE

Select travel-led or high-load lift geometry.

Built to move innovation forward.

From advanced optics to analytical instrumentation, precision motion enables better-performing systems.

FOCUS

Adjust objectives, cameras and detectors.

LIFT

Raise fixtures and optical assemblies precisely.

LEVEL

Fine-adjust sample or sensor height.

HOLD

Maintain working distance without continuous motor power.

One stage. Precision across every move.

Typical applications

Objective and camera focusing
Sensor or sample height adjustment
Optical bench Z positioning
Analytical and inspection equipment
Automated calibration systems
Compact optical height adjustment
High-load precision elevation
Instrument calibration
Sample and fixture levelling
Inspection and metrology systems

What this enables

Adjust an objective or detector to a defined focus position and hold it without continuous motor power.
Control sample height during inspection or surface measurement.
Automate working-distance adjustment in optical or analytical instruments.
Raise or lower a comparatively heavy optical assembly within a compact mechanical envelope.
Fine-adjust the height of a fixture or sensor during calibration.
Integrate closed-loop Z adjustment where a conventional vertical actuator would be too tall.

Find your fit

Choose LLS-ZV-20-12-C-E40 when 12 mm travel is required and the load is within 0.5 kg. Choose LLS-ZH-20-3-C-E40 when 3 mm travel is sufficient, vertical installation space is constrained and a load capacity up to 5 kg is required. Confirm mounting orientation, centre of gravity and moments.

Technical specifications

Model	Motion range	Stall force	Load	Max speed	Weight
LLS-ZV-20-12-C-E40	±6 mm (12 mm total)	20 N	0.5 kg	5 mm/s	900 g
LLS-ZH-20-3-C-E40	±1.5 mm (3 mm total)	20 N	5 kg	1 mm/s	1.1 kg

Shared platform specifications

Specification	Family specification
Encoder resolution	40 nm
Positioning repeatability	±40 nm
Body material	Aluminium
Recommended controller	PMSD401
Stage cable	CKS-20, 2 m; inclusion quantity to be confirmed