13 Years in Laser Metal Cutting Industry

Cut 3× Faster
with Mixed Gas Technology

The LISHI LASER Mixed Gas Device delivers micro-oxygen cutting for high-power laser machines (12KW–60KW). No burrs, less gas consumption, and significantly faster cutting speeds.

Faster than O₂
0
Burrs on cut surface
−33%
Less gas than N₂
LISHI LASER Mixed Gas Device

What is a Mixed Gas Device?

Compress N₂ and O₂ in a precise ratio to produce a mixed gas optimized for high-speed laser cutting — with micro-oxygen content that eliminates burrs while maximizing speed.

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Liquid N₂ + Liquid O₂

Raw materials stored in tanks, pressure 20–25 bar

Vaporizer

Converts liquid gases to gaseous form

⚙️

Mixed Gas Device

Stable pressure + proportional mixing → N₂ 95% / O₂ 5%

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Laser Cutting Machine

Output: 12–16 bar, flow rate up to 200m³/h

Technical Specifications

Input: N₂ + O₂ at 20–25 bar. Output: N₂ purity ~95%, pressure 12–16 bar, max flow 200m³/h. Compact gas tank (capacity >3m³).

📐 Device Dimensions

800mm × 350mm × 1100mm, weight 90kg. One device supports two laser machines simultaneously (One-to-Two configuration).

🎯 Cutting Effect

High cutting speed + zero burrs. After installation, adjust ratio between N₂ 95% and O₂ 5% for different board thicknesses. Built-in program analyzes usage ratio and records gas purity requirements.

🌍 Wide Compatibility

Works with all major brands: HAN'S, DNE, PENTA, LEAD, HSG, and more. Compatible with BODOR, KIMLA, MESSER, and other global brands.

Why Choose Mixed Gas Over O₂, N₂ or Air?

13 years of laser cutting industry experience. 160+ end users. The most stable mixed gas device manufacturer in China.

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3× Faster Cutting

Compared to oxygen cutting. Carbon steel cutting speed is up to 3× faster. Example: 8mm CS at 16m/min vs 2–3m/min with O₂.

Zero Burrs

Unlike nitrogen cutting which produces burrs on plates ≥8mm (12KW) or ≥10mm (20KW), mixed gas cutting produces clean, burr-free surfaces.

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Less Gas Consumption

Compared to nitrogen, mixed gas reduces consumption by 33–50%. Similar total consumption to O₂ but far superior speed.

Ultra Low Power

Power consumption: only 2 kWh / 24 hours. Far less than air compressors which require constant maintenance every 3,000 hours.

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One-to-Two Support

The only manufacturer with stable one-to-two mixed gas equipment — one device powers two laser machines of different power levels.

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Protected Gas Pipeline

Unlike air compressors that contaminate gas pipelines and damage laser head lenses, mixed gas keeps your optical system safe.

Performance Comparison: Mixed Gas vs O₂ vs N₂ vs Air

Factor Mixed Gas O₂ (Oxygen) N₂ (Nitrogen) Air
Cutting Speed 3× faster (e.g. 16m/min @ 8mm CS) 2–3m/min @ 8mm CS Similar to mixed gas 30% slower than mixed gas
Cut Surface Smooth, no burrs Oxidized, rough edges May have burrs on thick plates Contaminated, rough
Gas Consumption 1/3 less than N₂ Similar total High Very high (compressor)
Power Cost 2 kWh/24h High High Very high (compressor)
Small Hole Piercing Some burrs during pierce Best for small holes Good Poor
Equipment Protection No pipeline contamination Standard Standard Risk of lens contamination

Cutting Parameters by Power

Optimal carbon steel cutting thickness range for each laser power level. Mixed gas delivers consistent high-speed cutting across all thicknesses.

12KW Laser Machine

Thickness Mixed Gas Speed
6mm~18 m/min
10mm4.5–5 m/min
12mm~4 m/min
16mm3–4 m/min

Best for ≤16mm carbon steel

20KW Laser Machine

Thickness Mixed Gas Speed
2mm22 m/min
6mm18 m/min
8mm16 m/min
10mm12–14 m/min
12mm10–12 m/min
16mm5–6 m/min
20mm3–4 m/min
25mm2.5–3 m/min

Best for ≤25mm carbon steel

30KW Laser Machine

Thickness Mixed Gas Speed
8mm~16 m/min
10mm~12 m/min
12mm~10 m/min
16mm~8 m/min
20mm~5.6 m/min
25mm+Contact for details

Best for ≤30mm carbon steel

Higher power (40KW, 60KW) available. Contact us for detailed parameters.

View All Parameters →

Cutting Samples & Test Videos

Actual cutting footage from end users worldwide. No embellishment — real data, real performance.

12kW & 30kW · Professional Metal Factory

Dual power setup, one machine feeds two — 33% less gas, zero compromise on speed

Mixed gas for high-power lasers

30kW · 10–30mm Carbon Steel

Thick plates, no burrs. 10–14 m/min on 10mm, previously only achievable with O₂

High-power mixed gas cutting

60kW · 30–40mm Carbon Steel

Ultra-thick cutting at 3.5 m/min. Where N₂ struggles, mixed gas delivers

Ultra-high power mixed gas

12kW · 3mm Aluminum

Smooth aluminum edges, no oxidation. Faster than air, cleaner than N₂

Aluminum mixed gas cutting

12kW · 2mm Aluminum

Precision aluminum cutting with micro-oxygen — speed and quality in one pass

Thin aluminum mixed gas

12kW · 1mm Aluminum

Paper-thin aluminum, zero burn-through. Mixed gas enables what N₂ cannot

Precision thin aluminum cutting

Trusted by Agents & End Users Worldwide

From domestic leaders to international agents — our mixed gas devices are deployed across 4 continents.

HAN'S Laser — India Agent

🇮🇳 India

Purchased two sets for demo in North and South India. VIP customer with 6 sets of 12KW + 20KW machines ready to try. Market for 6KW+ machines estimated at 500+ units.

KIMLA Laser — UK Agent

🇬🇧 United Kingdom

Former Bystronic laser engineer. Bought a sample for showroom testing. Plans to purchase 1–2 units for end users with 6KW and 10KW lasers. Conducted market research at MACH 2024.

End Users in China

🇨🇳 Guangdong, China

LUOCUN (DNE 12KW, 1+ year), CHENGDU (2× HAN'S 30KW), SANSHUI (HSG 12KW + 30KW), SHUNDE (HSG 6KW + 20KW), DONGGUAN (HAN'S 20KW + 30KW), LE CONG (LEAD 12KW).

Other Active Inquiries

🌍 In Progress

MESSER — South Africa · HAN'S — Egypt · HAN'S — Spain · KIMLA — Hungary · BODOR — Brazil · GWEIKE — Taiwan · OEM by China — France

🌍 Goal: Sell to 30 Countries

Join our global network of agents and distributors. Exclusive territories available.

Ready to Increase Your Cutting Speed?

Connect one device to your laser machine and start cutting 3× faster today. Available for 6KW–60KW machines.

Contact Us → WhatsApp: +52 557 208 0065