Description
CHIYODA MI-228 PRO Portable Multi-Process Gasless MIG & MMA Inverter (1kg Spool)
Product Overview
The CHIYODA MI-228 PRO is a versatile, high-efficiency multi-process inverter welding machine engineered for mobile technicians, automotive repair fabricators, and workshop maintenance teams. Incorporating Gasless MIG (FCAW) and MMA/Stick (SMAW) capabilities, this compact unit delivers an efficient 20–120A output range running on standard single-phase 230V power.
Driven by state-of-the-art IGBT high-frequency inverter technology and advanced Pulse Width Modulation (PWM) control, the MI-228 PRO provides lightning-fast dynamic response and rock-solid performance stability. Designed around an internal 1kg wire spool feeder, its ultra-compact 3.8 kg chassis makes it the ultimate portable solution for high-speed spot welding and seamless outdoor flux-cored operations without gas tanks.
Why Choose the CHIYODA MI-228 PRO? (Core Selling Points)
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Dual Gasless MIG & MMA Multi-Functionality: Easily switch between gasless flux-cored wire welding for thin sheet metals and MMA stick welding for thicker carbon steel.
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Advanced IGBT & PWM Inverter Core: Utilizes high-frequency IGBT transistors and PWM control for smooth arc starting, rapid dynamic response, and low power consumption.
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Adjustable Inductance Arc Control: Fine-tune the arc characteristics to optimize weld penetration, reduce spatter, and achieve smooth, aesthetic bead profiles.
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Rapid High-Speed Spot Welding: Specially tuned wire feed mechanism produces smooth, full spot-weld deposits at accelerated speeds, saving valuable labor time.
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Built-in 1kg Wire Feeder: Integrated internal wire drive designed specifically for ultra-portable 1kg gasless flux-cored wire spools.
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Ultra-Lightweight & Site-Ready: Weighs only 3.8 kg with a compact $320 \times 155 \times 210\text{ mm}$ footprint, protected by Class F insulation and an IP21S housing grade.
Comprehensive Technical Specifications
| Industrial Parameter / Metric | Specification Details |
| Brand / Model |
CHIYODA MI-228 PRO |
| Welding Processes |
Multi-Process: Gasless MIG (FCAW) / MMA (SMAW) |
| Input Power Voltage |
Single Phase 220V± 15% |
| Input Frequency Spectrum |
50 / 60 Hz |
| Rated / Effective Input Current |
17 A / 13 A Max |
| Output Current Range |
20 – 120 Amps |
| Rated Duty Cycle |
60%
|
| Open Circuit Voltage (OCV) |
60 V (No-Load Loss: 40 W) |
| Efficiency Rating / Power Factor |
80%
|
| Insulation / Housing Protection |
Class F / IP21S |
| Machine Physical Dimensions |
320 x 155 x 210 mm |
| Net Machine Weight |
3.8 kg |




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