1. Pengenalan
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. Maklumat Keselamatan
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.
- Perlindungan Mata: Never look directly into the laser beam. Always wear appropriate laser safety glasses.
- Pengudaraan: Ensure adequate ventilation to remove smoke and fumes produced during engraving and cutting. The built-in air assist helps, but external ventilation is crucial.
- Keserasian Bahan: Hanya bahan ukiran atau potong yang dinyatakan selamat untuk laser CO2. Elakkan bahan yang menghasilkan asap toksik atau sangat mudah terbakar.
- Bahaya Kebakaran: Always supervise the machine during operation. Keep a fire extinguisher nearby.
- Hentian kecemasan: Biasakan diri anda dengan lokasi dan operasi butang berhenti kecemasan.
- Sistem Interlock: 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. Apa yang Termasuk
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
- Sistem Bantuan Udara
- Kabel Kuasa
- Kabel USB
- Exhaust Fan and Ducting
- Software (LightBurn compatible)

Figure 3.1: Dual Engraving Beds (Honeycomb and Aluminum Blade Bed)
4. Persediaan
Follow these steps for initial setup of your laser engraver:
- Membongkar dan Meletakkan: Carefully remove the machine from its packaging. Place it on a stable, level surface in a well-ventilated area.
- Sambungan Sistem Ekzos: Connect the provided exhaust fan and ducting to the machine's exhaust port to vent fumes outdoors.
- Sistem Penyejukan Air: 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.
- Sambungan Bantuan Udara: Connect the air assist hose to the laser head.
- Kuasa dan Sambungan USB: Connect the power cable to a grounded outlet and the USB cable to your computer.
- Pemasangan Perisian: 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. Arahan Operasi
Operating your OMTech laser engraver involves preparing your design, setting parameters, and initiating the engraving/cutting process.
- Memuatkan Bahan: 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.
- Menetapkan Parameter: 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

Rajah 5.2: Panel Kawalan Digital
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
Selesai taklimatview 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. Penyelenggaraan
Penyelenggaraan berkala memastikan jangka hayat dan prestasi optimum pengukir laser anda.
- Lens and Mirror Cleaning: 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.
- Sistem Penyejukan Air: 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.
7. Penyelesaian masalah
Isu-isu biasa dan potensi penyelesaiannya:
- Tiada Output Laser: Check power connections, water flow, and ensure the lid interlock is engaged. Verify laser tube integrity.
- Kualiti Ukiran/Pemotongan yang Buruk: Adjust focus, speed, and power settings. Clean the lens and mirrors. Ensure material is flat.
- Mesin Tidak Memberi Respons: Check USB connection, software status, and machine power. Restart both the machine and computer.
- Excessive Smoke/Fumes: Verify exhaust fan operation and ducting integrity. Ensure proper ventilation to the outside.
8. Spesifikasi
| Dimensi Produk | 40.9 x 26.8 x 19.3 inci |
| Nombor Model Item | SH-G350 |
| Berat Barang | 138.9 paun |
| Maks. Kelajuan Ukiran | 600 mm/s (23.6 ips) |
| Kawasan Pemprosesan | 12 x 20 inci (300 x 500 mm) |
| Kelas Laser | Class 2, 0.827 mW output power |
| Penghantaran Data | USB Cable, Ethernet Cable, USB Flash Drive, Offline |
9. Waranti dan Sokongan
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.





