Holzmann Laser Module - 20W
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Product Information
Full details
The Holzmann CTF45PLASER20W is designed for hobbyists, makers, and small business owners who want to upgrade their existing CNC table milling machine into a dual-purpose laser engraving system. This 20W module delivers high-precision marking and cutting capabilities, specifically excelling at detailed engravings and cutting through plywood up to 15mm thick. While it provides significant versatility, users should note that successful operation requires careful calibration with their host CNC hardware and appropriate safety precautions for laser handling.
All features
| Model Part Number | CTF45PLASER20W |
|---|---|
| Brand | HOLZMANN |
Extended Product Information
FAQs
Can this module cut metal?
This module is optimized for wood, specifically plywood up to 15mm, and is not designed for cutting metal.
What safety gear do I need?
Always wear laser-rated safety glasses matching the 450nm wavelength and ensure you have a smoke extraction system in place.
Is the module compatible with all CNC machines?
It is designed for CNC table milling machines, but compatibility depends on the ability of your specific controller to output a compatible PWM signal.
How often should I clean the lens?
Check the lens before every use, especially after cutting plywood, as resin vapors can quickly cloud the optical surface.
Does it require a separate power supply?
Ensure the power requirements of the module match your CNC machine's power distribution specifications or use an external supply if necessary.
Troubleshooting
Laser does not fire during operation
Verify the PWM signal wiring to the control board and ensure the laser enable switch is toggled to the on position.
Poor cutting depth or incomplete cuts
Check the focal distance setting and ensure the laser lens is clean of any resin or soot accumulation.
Engraving appears blurred
Re-calibrate the focus height of the laser module relative to the material surface to ensure the smallest possible beam spot size.
Pros and Cons
Pros
- High engraving precision of 0.08 mm
- Capable of cutting through 15mm plywood
- Adds significant versatility to standard CNC routers
- Reliable 450nm wavelength performance
Cons
- Requires specific CNC interface compatibility
- Demands dedicated safety equipment during operation
- Initial calibration process can be complex for beginners
Setup, Compatibility & Care
Installation involves securing the module to the CNC router head and ensuring the control board can provide the necessary PWM signals for power modulation. Always verify that your CNC controller firmware supports laser mode to prevent accidental firing. For care, ensure the laser lens is kept free of dust and debris, as build-up can lead to overheating or decreased cutting power. Clean the lens gently with an optical-grade cloth. During operation, always wear appropriate laser-rated eye protection and ensure the workspace is well-ventilated to handle any smoke or fumes produced during the cutting process.