High-Precision Vertical Positioning with Sigomatic Integration
The Motor-Driven Z Axis module delivers precise, repeatable vertical positioning for 3D laser welding applications. Integrated with Sigma’s Sigomatic and Sigomatic Pro software, it enables ergonomic control, enhanced automation, and seamless plug-and-play setup.
Motor-Driven Z Axis – Precision in Vertical Laser Welding Made Effortless
In high-precision industries like medical technology and automated series production, reliable vertical motion is critical for achieving accurate laser welds. Sigma Laser’s Motor-Driven Z Axis provides exact positioning of the laser focal point via joystick control or automated commands — enabling smooth, reproducible welds on three-dimensional structures.
Fully integrated with Sigomatic and Sigomatic Pro, the Z-axis system is designed for plug-and-play installation, with all necessary hardware and software pre-configured at the factory. This makes it easy for operators to get up and running quickly, whether they’re welding prototypes or full production batches.
Its 100 mm travel path offers enough range for a wide variety of part geometries, while high-precision stepper motors ensure repeatability and responsiveness in every weld cycle. The module is also compatible with motorized wire feed systems, streamlining vertical welding in applications like tube joints, housings, and vertical seams.
From ergonomic manual control to fully automated vertical welding, the Motor-Driven Z Axis helps you build a smarter, more flexible laser welding workflow.
High-Precision Vertical Axis for Automated and Manual Laser Welding Workflows
The Motor-Driven Z Axis enables controlled vertical motion of the laser head or workpiece during laser welding tasks. With an integrated control system, plug-and-play setup, and direct compatibility with Sigma’s Sigomatic and Sigomatic Pro, it provides exceptional flexibility and precision for both automated and operator-controlled workflows.
Mechanical & Motion Parameters
Specification |
Details |
Axis Type |
Z-axis vertical motion module |
Drive System |
High-precision stepper motor |
Control Method |
Joystick manual control and/or automated via Sigomatic Pro |
Traverse Path |
Approx. 100 mm |
Repeatability |
±0.02 mm |
Positioning Accuracy |
±0.05 mm |
Motion Modes |
Manual (ergonomic), Semi-automatic, Fully programmable |
Integration & Software
Integrated Software: Sigomatic, Sigomatic Pro
Setup:Plug-and-Play connection (hardware and software pre-installed)
Wire Feed Support: Compatible with Sigma’s motor-driven wire feed + patented wire straightener
Multiaxis Compatibility: Ideal for use with X/Y platforms and Simass Rotate for full 3D welding
Environmental & Power Specs
Power Requirement: Integrated into central Sigma system (230V via controller)
Cooling Requirement : None (passive cooling sufficient)
Mounting Options: Direct mounting to Simass Base Unit or custom platforms
Whether you’re working on vertical seams, deep joints, or multi-level weld paths, the Motor-Driven Z Axis adds vertical precision and repeatability to your laser welding operations.
Precision Z-Axis Motion Engineered for Full System Flexibility
The Motor-Driven Z Axis is fully compatible with Sigma Laser’s modular ecosystem, including laser welding systems, motion modules, and automation software. It is designed for easy plug-and-play installation, requiring no additional configuration for integration with Sigomatic or Sigomatic Pro control environments.
This vertical module is a crucial component in 3D laser welding cells, enabling synchronized motion in setups involving X, Y, Z, and C axes, and supporting precise positioning for intricate weld paths and layered components.
Compatibility Table – Motor-Driven Z Axis
| Component / System | Compatible | Details |
| Simass Base Unit | ✅ Yes | Direct mounting supported; allows vertical control above work surface |
| Simass Slide | ✅ Yes | Adds vertical travel to extended linear X-axis motion |
| Simass Rotate | ✅ Yes | Ideal for synchronized 4-axis welding (X/Y/Z/C) |
| Sigomatic / Pro | ✅ Yes | Full control integration; Z-axis can be manually or programmatically driven |
| Wire Feeder Modules | ✅ Yes | Z-axis works in harmony with wire feeding and control systems |
| Fiber Laser Systems | ✅ Yes | Compatible with all Sigma laser heads that support vertical adjustment |
| Light-Pumped Laser Systems | ✅ Yes | Full compatibility via Sigomatic software and mount-ready mechanics |
| Class 1 Laser Enclosure | ✅ Optional | Can be installed inside safety-compliant welding cabinets |
The Motor-Driven Z Axis is the vertical backbone of your multi-axis welding solution — effortlessly expanding your system’s dimensional control and flexibility.
Vertical Control for Precision Laser Welding in 3D and Multi-Layer Setups
The Motor-Driven Z Axis expands the dimensional flexibility of your welding station, enabling precise control over the laser’s focal depth or the part’s vertical position. Especially valuable in 3D assemblies, tube welding, and layered joint applications, this module ensures tight tolerances and repeatable performance.
Medical Device Fabrication
Precision welding of medical housings, sensor assemblies, and implant structures — where minor deviations in Z height can impact biocompatibility or sealing integrity.
Tool & Mold Repair
Ideal for layered laser weld buildup on worn or damaged mold cavities. The Z-axis allows fine control of layer thickness and energy distribution during deposition.
R&D and Prototyping Environments
Researchers benefit from Z-axis adjustments to test laser interaction across multiple materials, thicknesses, or focal distances in iterative design setups.
Tube and Pipe Welding
Supports vertical alignment when welding joints at varying heights or depths — especially in setups with rotary axes or multi-position clamping systems.
Precision Micro-Welding in Electronics and Optics
Accurate Z-axis control ensures perfect focal alignment when welding delicate electronic parts, optical housings, or micro-mechanical assemblies.
Multi-Layer Bracket or Frame Assembly
Ensures consistent laser focus when welding across frames or parts with tiered or uneven geometry — especially useful in aerospace and enclosure fabrication.
Key Advantages Across Applications:
- High repeatability in vertical welding paths
- Ideal for fine tuning focal depth
- Seamless integration with multi-axis automation (X/Y/C)
- Works directly with Sigomatic and Sigomatic Pro programming
Tailor-Made Vertical Motion for Your Specific Application Needs
While the Motor-Driven Z Axis comes pre-configured for out-of-the-box use, Sigma Laser offers several customization options to match your machine setup, material range, and automation goals. Whether you’re handling heavy vertical travel, ultra-precise positioning, or integration into a multi-axis robotic cell, this module can be adapted accordingly.
Available Customizations
1. Extended Travel Range
- Standard stroke: ~100 mm
- Optional extension up to 150 mm or more for tall parts or large structures
2. Motor Type & Precision Control
- Upgrade to high-resolution stepper motors or servo motors
- Tuned motion profiles for delicate materials or micro-welding
3. Mounting Interfaces
- Adjustable base mounts for compatibility with different Sigma platforms
- Vertical support brackets tailored to custom frame heights
4. Software Configuration
- Pre-set motion profiles for specific applications (e.g., stepped welds, ramping)
- Integration with customer-side control systems or MES via I/O, Modbus, or serial
5. Safety & Feedback Options
- Optional limit switches, Z-axis homing sensors, or position feedback encoders
- Interlocks for enclosure doors and emergency stops
Need a Z-axis module for special part geometries, heavy payloads, or high-speed weld positioning? Sigma can deliver a fully customized solution.
Answers to common questions about the Motor-Driven Z Axis of automated laser welding machines
The standard vertical stroke is approximately 100 mm, but it can be extended up to 150 mm or more upon request, depending on your application.
Yes. The Z Axis works seamlessly with fiber lasers and Nd:YAG light-pumped lasers, especially when paired with Sigomatic or Sigomatic Pro software.
It supports both. Operators can control the axis via joystick for ergonomic manual use, or automate motion through Sigma’s software environment.
No. The Motor-Driven Z Axis is delivered pre-integrated with all required hardware and software — ready for plug-and-play use with your Sigma system.
Yes. It integrates into multi-axis configurations, including with Simass Slide (X), Simass Rotate (C), and motorized Y-axis modules.
It is ideal for welding 3D structures, tube joints, multi-layered parts, and anything requiring adjustable laser focal depth or vertical weld paths.
Best Practices for Setup, Automation, and Precision Control
Whether you’re new to Sigma Laser’s vertical modules or looking to push your system to its full potential, these guides cover everything from installation to advanced automation workflows.
-
Getting Started with the Motor-Driven Z Axis
A beginner-friendly tutorial on unboxing, mounting, connecting to Sigomatic, and basic motion testing. -
Fine-Tuning Vertical Positioning for Laser Welding
Learn how to achieve sub-millimeter accuracy using motion presets, speed adjustments, and joystick sensitivity settings. -
Integrating the Z Axis into a Multi-Axis Welding Cell
How to sync vertical motion with X, Y, and C axes for complete 3D welding control in automated environments. -
Customizing Stroke Length and Motion Profiles
Step-by-step instructions for configuring the Z-axis travel range and programming vertical sequences using Sigomatic Pro. -
When and Why to Use a Motorized Z Axis Instead of Manual Height Control
Compare performance, efficiency, and ergonomic benefits across use cases in medical, aerospace, and mold repair. -
Troubleshooting Common Z Axis Issues
Diagnose and resolve alignment drift, homing errors, or joystick calibration issues — with screenshots and video support.
At Sigma Laser, our commitment to excellence doesn’t end at delivery. The Motor-Driven Z Axis comes with a full suite of after-sales services designed to ensure optimal performance, operator confidence, and long-term value from your investment. Whether you’re a small workshop or a multinational manufacturer, our support ecosystem keeps your production running smoothly.
Performance Optimization Consulting
For customers with high-throughput needs or complex applications, we offer:
- Process auditing
- Automation optimization
- Custom software macros
- Fixture design and integration consulting
Installation & Commissioning
Our team provides on-site setup, system calibration, and full integration into your existing workspace or automation line. We ensure everything is optimized from day one — including safety checks, software configuration, and trial welds.
Spare Parts & Consumables
We maintain a well-stocked inventory of Replacement lamps, Optical components, Cooling units and Wear parts. Fast shipping worldwide ensures minimal downtime.
Remote Diagnostics & Global Support
From preventive maintenance to rapid troubleshooting, our global service team keeps your laser welding equipment running with minimal downtime through on‑site visits and secure remote diagnostics.
Operator Training & System Onboarding
Hands‑on training programs give your staff the skills to operate, maintain, and optimize Sigma laser welding systems safely and productively right from day one.
Extended Warranty & Lamp Breakage Protection
Enjoy long‑term peace of mind with comprehensive warranty coverage—including exclusive lamp break protection—for all light‑pumped laser welding systems.
A Practical Guide to Daily, Weekly, Monthly, and Long-Term Maintenance for Industrial Laser Reliability
The Motor-Driven Z Axis from Sigma Laser is engineered for high-duty industrial performance — but to keep it running smoothly and accurately, regular maintenance is essential. This guide outlines clear, scheduled tasks that help prevent downtime, maintain calibration, and extend the system’s lifecycle.
Daily Maintenance Checklist
- Visual inspection of the rail and carriage for dust or metal particles
- Clean Z-axis guide rails with lint-free cloth (no solvents)
- Test joystick response and ensure no lag or stuttering
- Check for abnormal sounds or vibration during movement
- Confirm LED indicator status on control panel (if available)
Weekly Maintenance Tasks
- Tighten mounting bolts and fasteners
- Check Z-axis homing accuracy using calibration jig
- Lubricate linear guides with manufacturer-approved lubricant (if applicable)
- Inspect cable connectors for wear, looseness, or stress
- Verify emergency stop behavior with simulated test
Monthly Maintenance Checklist
- Measure repeatability and accuracy with test movements (±0.05 mm)
- Blow out cooling fans or ventilation ports (if present)
- Run Sigomatic diagnostics for motor signals and sensor feedback
- Log Z-axis performance trends in a maintenance record sheet
- Recalibrate Z-axis home position if minor drifts are detected
Long-Term Preventive Maintenance (Every 6–12 Months)
- Disassemble and deep clean Z-axis slide components
- Inspect motor shaft alignment and belt tension (if applicable)
- Replace guide bearings or bushings if wear exceeds tolerance
- Update firmware/software for Sigomatic or Pro controller
- Review and retrain operators on safe Z-axis usage best practices
Pro Tips for Experts
- Always zero the Z-axis before performing precision-critical welds
- Avoid manual force or pushing the axis when the system is off — it may damage stepper calibration
- Add limit switches or encoder feedback for high-volume production accuracy
- For multi-axis integration, run a full calibration routine quarterly
- Use dummy weld cycles after software updates to verify Z-axis behavior
Consistent preventive maintenance ensures long-term reliability and precision for the Motor-Driven Z Axis — saving you from costly downtime and inconsistent weld quality.
A Complete Safety Framework for Industrial Laser Welding with Vertical Motion Control
While the Motor-Driven Z Axis is designed for precision and ease of use, operating vertical motion systems in combination with high-powered lasers requires strict safety awareness. The following guidelines will help prevent mechanical damage, electrical hazards, and operator injuries.
Laser Safety Classification
- The Z Axis is used within Class 1 laser systems (fully enclosed), or optionally with Class 4 open setups under operator control.
- Always verify the enclosure is properly sealed when operating in Class 1 mode.
- Operators must never enter the machine’s movement range while the axis is powered on.
Personal Protective Equipment (PPE)
- Laser safety goggles (wavelength-specific)
- Anti-static gloves for handling wiring or electronics
- Steel-toe safety shoes when working near moving modules
- Tight-fitting clothing to avoid snagging in motion systems
Task |
Recommended PPE |
Routine operation |
No PPE required under closed housing |
Maintenance (open casing) |
Laser safety goggles (1064 nm rated) |
Welding setup adjustments |
Safety gloves, protective sleeves |
Handling heavy components |
Safety shoes, cut-resistant gloves |
Optical cleaning or inspection |
Anti-static gloves and lens-safe cloths |
Workspace Safety Requirements
- Maintain a clear zone of at least 1 meter around the Z-axis system
- Ensure firm, vibration-free mounting of the entire assembly
- Install indicator lights showing active laser or axis movement status
- Enclosures must include interlocked access doors
Electrical & Cooling System Safety
- Only trained personnel should connect power supplies
- Ensure ambient temperature and humidity remain within safe operating limits
- Passive or active cooling elements (if any) must be kept dust-free
- Never bypass safety fuses, relays, or grounding components
Software & Control Warnings
- Use only official Sigomatic software for motion control
- Always home the axis before running a new program
- Do not interrupt or power down while axis is in motion
- Update software only under guidance of technical support
Emergency Procedures
- Emergency Stop Button must be within operator’s reach at all times
- Have a CO₂ fire extinguisher nearby for electronics and laser equipment
- In case of collision or jamming, immediately shut off main power and inspect axis alignment
Training & Access Control
- Only certified operators should access system controls
- Password-protect control software on shared workstations
- Keep updated safety manuals and SOPs accessible to all personnel
Safety Summary
Safety in vertical motion laser systems is not optional — it’s a requirement for accuracy, uptime, and team well-being. Sigma Laser recommends following ISO 11553 and local machine safety standards.
Speed, Accuracy, Integration – See Why Smart Manufacturers Upgrade to Motorized Precision
Choosing the right Z-axis system is essential for welding quality, automation scalability, and operator efficiency. Here’s how Sigma Laser’s Motor-Driven Z Axis compares to manual vertical adjustments and generic, non-integrated motion modules used in basic setups.
Comparison Table
Feature |
Sigma Motor-Driven Z Axis |
Manual Z Axis |
Generic Motorized Z Axis |
Positioning Precision |
±0.02 mm |
±0.5 mm or more |
±0.1 – 0.2 mm (varies) |
Control Type |
Joystick + Software (Auto) |
Manual knob or crank |
Basic software (often standalone) |
Repeatability |
High (industrial-grade) |
Low |
Medium |
Software Integration |
Fully integrated (Sigomatic) |
None |
Limited or third-party only |
Compatibility |
Seamless with Sigma systems |
Often incompatible with automation |
Depends on custom integration |
Ease of Use |
Plug & play, intuitive |
Time-consuming, manual re-checks |
Requires tech setup |
Customization Options |
Yes (stroke, motor, mount) |
No |
Limited (unless custom-coded) |
Wiring & Power |
Factory pre-wired |
None |
Often requires external controller |
Safety Features |
Optional sensors & feedback |
No |
Rare |
Best For |
Medical, aerospace, R&D, 3D |
Low-cost basic welding |
Budget semi-auto projects |
Summary: Why Sigma’s Z Axis is the Smarter Choice
- Delivers industrial-grade accuracy and automation-readiness
- Designed to work flawlessly within the Sigma Laser ecosystem
- Outperforms manual and low-cost generic solutions in every critical metric
- Backed by engineering support, custom configurations, and remote diagnostics
Manual Z axes may suffice for entry-level or one-off tasks — but if your operation demands speed, accuracy, and scalable automation, the Motor-Driven Z Axis by Sigma is the clear upgrade.
Engineered Precision, Plug-and-Play Simplicity, and Seamless Integration in Every Vertical Move
Sigma Laser’s Motor-Driven Z Axis is not just an accessory — it’s a high-precision vertical motion system that enhances every dimension of your welding workflow. From faster setup to flawless repeatability and future-ready automation, here’s why engineers and manufacturers choose Sigma’s Z Axis over traditional or generic options:
1. Precision-Controlled Motion with Industrial Repeatability
- High-resolution stepper motor ensures ultra-smooth and accurate vertical motion
- Repeatability of ±0.02 mm ideal for medical, aerospace, and micro-welding applications
2. True Plug-and-Play Integration
- No need for third-party drivers or adapters
- Fully pre-configured for Sigomatic and Sigomatic Pro environments
- Install and operate within minutes
3. Seamless Compatibility with Multi-Axis Systems
- Designed for direct integration with Simass Slide, Simass Rotate, and other Sigma modules
- Enables true 3D welding workflows with X/Y/Z/C-axis coordination
4. Fully Modular and Customizable
- Supports extension of travel range for tall parts
- Options for mounting, safety features, motor upgrades, and more
- Scales with your production — not limited by it
5. Ergonomic & Intuitive Operation
- Responsive joystick control for manual or semi-automated tasks
- Built for operator comfort and reduced fatigue in vertical setups
- Ideal for layered welds, corner joints, and internal structures
6. Backed by Sigma Engineering & Support
- Developed in-house by Sigma’s laser system specialists
- Backed by German engineering quality, award-winning service, and long-term technical support
- Compatible with remote diagnostics and firmware updates
When vertical precision matters, the Motor-Driven Z Axis delivers — with reliability, flexibility, and the support only a full-system manufacturer can provide.
