OMTech SH-G350
Manyèl Enstriksyon pou Gravure Lazè CO2 OMTech 50W
Model: SH-G350
1. Entwodiksyon
This manual provides essential information for the safe and effective operation of your OMTech 50W CO2 Laser Engraver. This machine is designed for precision engraving and cutting on a variety of non-metallic materials, including wood, glass, acrylic, and leather. Please read this manual thoroughly before operation to ensure proper setup, usage, and maintenance.

Figure 1.1: OMTech 50W CO2 Laser Engraver (Model SH-G350)
2. Enfòmasyon sou Sekirite
Operating a laser engraver involves inherent risks. Adhere strictly to all safety guidelines to prevent injury or damage to the machine. This product is a Class 2 laser with 0.827mW output power.
- Pwoteksyon je: Never look directly into the laser beam. Always wear appropriate laser safety glasses.
- Vantilasyon: Ensure adequate ventilation to remove smoke and fumes produced during engraving and cutting. The built-in air assist helps, but external ventilation is crucial.
- Konpatibilite materyèl: Only engrave or cut materials specified as safe for CO2 lasers. Avoid materials that produce toxic fumes or are highly flammable.
- Danje dife: Always supervise the machine during operation. Keep a fire extinguisher nearby.
- Ijans Stop: Familyarize w ak kote ak kijan bouton arè ijans lan ye a.
- Sistèm verrouillage: The machine features a cover interlock that automatically cuts the laser beam if the lid is opened during operation. Do not bypass this safety feature.
3. Sa ki enkli
Your OMTech 50W CO2 Laser Engraver package typically includes:
- OMTech 50W CO2 Laser Engraver Machine
- Honeycomb Bed (12"x20" work area)
- Aluminum Blade Bed (12"x20" work area)
- Water Pump for cooling
- Air Assist System
- Pouvwa kab
- USB kab
- Exhaust Fan and Ducting
- Software (LightBurn compatible)

Figure 3.1: Dual Engraving Beds (Honeycomb and Aluminum Blade Bed)
4. Enstalasyon
Follow these steps for initial setup of your laser engraver:
- Debalaj ak plasman: Carefully remove the machine from its packaging. Place it on a stable, level surface in a well-ventilated area.
- Exhaust System Connection: Connect the provided exhaust fan and ducting to the machine's exhaust port to vent fumes outdoors.
- Sistèm Refwadisman Dlo: Connect the water pump to the laser tube's inlet and outlet ports. Ensure the water reservoir is filled with distilled water and the pump is submerged.
- Air Assist Connection: Connect the air assist hose to the laser head.
- Power and USB Connection: Connect the power cable to a grounded outlet and the USB cable to your computer.
- Enstalasyon lojisyèl: Install the LightBurn software on your computer. Refer to the LightBurn documentation for detailed installation and configuration instructions.

Figure 4.1: Two-Way Pass-Through Doors for larger materials
5. Operasyon Enstriksyon
Operating your OMTech laser engraver involves preparing your design, setting parameters, and initiating the engraving/cutting process.
- Chajman materyèl: Place your material onto the honeycomb or blade bed. Ensure it lies flat for consistent results. The two-way pass-through doors allow for larger items.
- Manual Focus Workbed: Adjust the workbed height to achieve the perfect focal distance for your material. This is crucial for engraving quality.
- Design Preparation (LightBurn): Import or create your design in LightBurn. Adjust size, position, and assign layers for engraving or cutting.
- Anviwònman Paramèt: For engraving, adjust speed (up to 23.6 ips / 600 mm/s) and power settings based on material type and desired depth. For cutting, set appropriate speed and power to achieve a clean cut.
- Initiate Process: Send the job to the laser engraver from LightBurn. Monitor the process closely.

Figure 5.1: Manual Focus Workbed

Figi 5.2: Panèl kontwòl dijital
5.1. Laser Engraving Photos on Wood
This video demonstrates how to achieve high-quality photo-realistic engravings on wood using your CO2 laser engraver, including tips for material preparation and software settings.
Video 5.1.1: How to laser engrave a photo with a CO2 Laser Engraver
5.2. Laser Engraving and Cutting on Acrylic Mirror
Learn the basics of engraving and cutting acrylic mirror, including material handling, software settings, and post-processing for a clean finish.
Video 5.2.1: Laser Engraving and Cutting on Acrylic Mirror - DIY Project
5.3. OMTech Laser Engraver Overview
Yon brèf souview of the OMTech laser engraver's capabilities and benefits for various users.
Video 5.3.1: OMTech Laser Engraver for Most People
5.4. Insights from Laser Guys
Hear from OMTech partners, the 'Laser Guys', on their experience with OMTech lasers, business growth, and advice for choosing the right laser for your needs.
Video 5.4.1: Laser Guys from OMTech
6. Antretyen
Antretyen regilye asire lonjevite ak pèfòmans optimal graveur lazè ou a.
- Netwayaj lantiy ak miwa: Regularly clean the laser lens and mirrors with specialized lens cleaning solution and cotton swabs to maintain beam quality.
- Workbed Cleaning: Remove debris and residue from the honeycomb and blade beds after each use.
- Sistèm Refwadisman Dlo: Periodically check the water level and quality in the cooling system. Replace water as needed to prevent algae growth and ensure efficient cooling of the laser tube.
- Air Assist Filter: Clean or replace the air assist filter to ensure proper airflow and prevent smoke buildup.
- Laser Tube Lifespan: The high-performance DC tube delivers 50W of power for up to 1,000 hours of usage and doubles its lifespan when consistently used at lower settings.
NAN. Depanaj
Pwoblèm komen ak solisyon potansyèl yo:
- Pa gen pwodiksyon lazè: Check power connections, water flow, and ensure the lid interlock is engaged. Verify laser tube integrity.
- Move kalite gravur/koupe: Adjust focus, speed, and power settings. Clean the lens and mirrors. Ensure material is flat.
- Machin nan pa reponn: Check USB connection, software status, and machine power. Restart both the machine and computer.
- Twòp lafimen/vapè: Verify exhaust fan operation and ducting integrity. Ensure proper ventilation to the outside.
8. Espesifikasyon
| Dimansyon pwodwi | 40.9 x 26.8 x 19.3 pous |
| Nimewo Modèl Atik | SH-G350 |
| Pwa atik | 138.9 liv |
| Max. Gravure vitès | 600 mm/s (23.6 ips) |
| Zòn pwosesis | 12 x 20 pous (300 x 500 mm) |
| Klas Lazè | Class 2, 0.827 mW output power |
| Transmisyon Done | USB Cable, Ethernet Cable, USB Flash Drive, Offline |
9. Garanti ak sipò
OMTech products typically come with a manufacturer's warranty. Please refer to the warranty card included with your product or visit the official OMTech website for detailed warranty terms and conditions. For technical support, troubleshooting assistance, or parts inquiries, contact OMTech customer service directly.
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