Description
Millermatic 350P Aluminum MIG Welder with 25 foot XR-Pistol-Pull Aluminum System is designed for industrial welding aluminum. This package includes the 250 amp air cooled push-pull MIG welding gun with pistol style grip. Pulse MIG capable inverter. System is programmed to weld aluminum only, including thinner gauge material.
- Superior aluminum performance.
- Direct connection for Miller 10-pin XR-Aluma-Pro and XR Pistol Grip air-cooled push-pull guns. With Auto Gun Detect, simply pull the trigger for the gun to be used and you're ready to weld. Note: Not compatible with standard MIG guns.
- True torque feed motor push-pull design provides continuous push force to the wire while the gun motor controls the speed at the gun. The motors work together to provide accurate and positive wire feed speed without wire shaving or deformation.
- Synergic pulsed welding mode offers the simplicity of single-knob control. The machine will select the correct pulse power based on the wire feed speed (WFS) set by the operator.
- Synergic MIG provides communication between power source, feeder and gun. As wire speed increases/decreases, the arc voltage also increases/decreases to maintain a constant welding arc.
- Trigger schedule select (SCHD) allows the operator to select the alternative schedule by quickly tapping the gun trigger when not welding. Useful when switching between two welding parameters is needed.
- Trigger hold allows the operator to release the trigger while making long continuous welds, reducing hand and finger fatigue.
- Jog and purge allow operator to jog the wire, or purge gas lines and preset gas pressure at the regulator before welding.
Special Features
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Run-in adjustment for better starts
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Built-in two-minute spot timer
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Pre-flow and post-flow adjustment
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View actual welding amperage/voltage during welding, and five seconds after arc has shutoff
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SharpArc controls welding arc cone width in pulsed MIG welding mode
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Inductance control customizes weld output characteristics in MIG welding mode
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Fan-On-Demand cooling only operates when needed, reducing power consumption and contaminants inside the unit.

Included with Product
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Power source
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25-ft. (9 m) XR-Pistol Pro air-cooled gun -300783
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10-ft. (3 m) industrial power cord (without plug)
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10-ft. (3 m) work cable with clamp Factory-installed gas solenoid
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Smith® Argon mix regulator/flow gauge with hose
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Factory-installed, low-mounted running gear/cylinder rack
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.035", .040", and .047" (0.9, 1.0 and 1.2 mm) U-groove drive rolls for aluminum welding
Accessories
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