SMC & CNC Laser Gas Manifold System Specification
1. General Description
Laser gas manifold systems are designed to deliver high-purity assist gases (typically Oââ, Nââ, or COââ) to CNC laser machines. The manifold system controls pressure, flow rate, and gas switching while ensuring safety and minimizing contamination.
2. Key Components
ComponentDescription
Inlet ConnectionsCompatible with high-pressure gas cylinders (typically 200â¬â300 bar)
Pressure RegulatorsDual-stage or single-stage, depending on application; maintains consistent outlet pressure
Gas FiltersRemoves particulates and ensures gas purity
Solenoid ValvesFor remote or automatic gas switching
Pressure GaugesInlet and outlet pressure indication (usually analog or digital)
Outlet ConnectionsConfigurable to suit CNC machine input (e.g., or custom fittings)
Safety Relief ValvePrevents overpressure scenarios
Piping MaterialStainless steel (SS316/SS304) or brass (nickel-plated), depending on gas type and purity requirement
Mounting OptionsWall-mount or rack-mount options available
Purge ValvesFor inert gas purging to prevent contamination
3. Gas Compatibility
Oxygen (Oââ): Medical- or industrial-grade; use Oââ-compatible components (no lubricants that can combust)
Nitrogen (Nââ): Inert; used for high-speed cutting, especially for stainless steel
Carbon Dioxide (COââ): For specific laser applications; piping must be COââ-compatible
4. Operating Parameters
ParameterValue
Inlet Pressure150â¬â300 bar (max 350 bar for some designs)
Outlet Pressure0.5â¬â30 bar adjustable (depending on regulator design)
Flow RateUp to 100 NmÃ/hr (varies by configuration)
Temperature Range-20ÃC to +60ÃC typical
Leak Rateâ° 1x10ÂÂ mbar l/s (He leak test standard)
5. Control Options
Manual Operation: Via hand-operated valves and regulators
Pneumatic/Electronic: Via PLC or CNC signal integration
Automatic Changeover: For uninterrupted gas supply during cylinder replacement
6. Standards & Certifications
ISO 14175, ISO 10297, ISO 7291
CE Certified
PED Compliant (Pressure Equipment Directive)
Optional: UL, ATEX compliance for specific zones
7. Optional Features
Flow meters (rotameter or digital)
Alarm indicators for low gas pressure
Gas panel enclosures
Heater or insulation jackets (for COââ use)
Remote monitoring and diagnostics
8. Application in CNC Laser Cutting
CNC Fiber or COââ Laser Cutters
Sheet metal cutting with precision gas control
High-speed, high-pressure gas delivery systems for narrow kerf widths and clean edges
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