Miller Electric MC-80M owner manual Sequence Of Plasma Arc Gouging PAG

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Figure 4-2. Sequence Of Plasma Arc Cutting (PAC)

CAUTION

HITTING TORCH ON A HARD SURFACE to remove spatter can damage torch.

•Do not clean torch by hitting it against a hard surface.

•Hitting hard surfaces can damage torch parts and stop proper operation.

T IP AND EL ECT RO DE WEAR BEYO ND RECO MMENDED VAL UES or OPERAT IO N WITHOUT TIP OR ELECTRODE can damage torch.

•Inspect cup, tip, and electrode before cutting or whenever cutting speed has been significantly reduced.

•Do not operate torch without a tip or electrode in place.

•Use correct standoff distance.

•Do not cut with gouging tip.

Install &

Install

Put On Personal

Check Torch

Check Gas/Air

Set

Connect

Gouging Tip

Safety

Tip, Electrode,

Pressure

Controls

Equipment

 

Equipment

And Shield Cup

 

 

Turn On

Begin

 

 

 

 

Cutter

Gouging

 

 

 

 

EXAMPLE Of Gouging Operation

 

If cutting arc is not started within 5 seconds of pilot arc, pilot

 

 

arc will go out. There is a 20-second reset time before the pilot

 

 

arc can be restarted.

 

 

 

 

 

 

 

 

 

 

Use approx. 1/8 in (3 mm)

Press trigger. After 2 seconds of

Establish arc length of 1/2 to 1-1/2 in

standoff distance at about

preflow, pilot arc starts.

(13 - 38 mm), and slowly

°

 

start moving torch across metal.

a 40 angle.

 

 

Adjust torch speed, arc length and angle as needed.

Release trigger. Postflow continues for approx.

Direct sparks away from torch. Do not gouge too

20 to 30 seconds. Gouging arc can be instantly

deeply in one pass; make repeated passes if needed.

restarted during postflow by pressing trigger.

ST-800 968

Figure 4-3. Sequence Of Plasma Arc Gouging (PAG)

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Contents OWNER’S Manual From Miller to You Plasma ARC Cutting Safety Precautions Plasma ARC can cause injury Fumes and Gases can be hazardous to your healthFlying Sparks and HOT Metal can cause injury Cylinders can explode if damagedEMF Information Table of ContentsPage Specifications Safety InformationCutting Torch Definition 100% Duty Cycle At 80 Amperes Duty CycleInstalling Hand-Held Torch InstallationElectric Shock can kill HOT Parts can cause severe burns Moving Parts can cause injuryInstalling Machine-Held Torch And Remote Trigger Pendant Electric Shock can kill Cutting can cause fire or explosion Operating the TorchFumes and Gases can be hazardous To your healthTorch Hitting Torch on a Hard Surface toREPEATEDLY, such as during the cutting of chain Incorrect Standoff Distance can damage torchSequence Of Plasma Arc Gouging PAG Routine Maintenance Maintenance & TroubleshootingMonths Each UseOvertightening will strip threads Checking/Replacing Cup, Tip, And ElectrodeReco Mmended VAL UES or Operat IO N Cutting Trouble TroubleshootingGouging Parts ListTorch, MC-80 Machine Support ServiceMiller Electric Mfg. Co Owner’s Record

MC-80M, MC-80 specifications

The Miller Electric MC-80 and MC-80M are advanced multi-process welding machines designed for versatility and efficiency in various welding applications. Recognized for their robust performance and state-of-the-art technology, these machines cater to the demands of professional welders across multiple industries, including fabrication, construction, and maintenance.

One of the standout features of the MC-80 and MC-80M is their ability to perform several welding processes, including MIG, TIG, Stick, and Flux-Cored welding. This multi-process capability allows users to tackle a wide range of welding tasks without needing multiple machines, which saves both time and money. The machine's adaptable nature makes it suitable for welding various materials, including mild steel, stainless steel, and aluminum.

The MC-80 series incorporates Miller's innovative Auto-Set technology. This feature automatically adjusts the machine's settings based on the user's selected material type and thickness, optimizing welding parameters for a perfect weld every time. This user-friendly technology significantly reduces the learning curve for less experienced welders while enhancing overall efficiency for seasoned professionals.

Power and performance are also key characteristics of the MC-80 and MC-80M. The machines are equipped with a powerful inverter design that provides clean, stable, and efficient arc characteristics. This inverter technology not only ensures consistent performance but also leads to energy efficiency, making these models environmentally friendly and cost-effective in the long run.

Portability is another essential aspect of the MC-80 series. Weighing considerably less than traditional transformer-based machines, these units are designed for easy transport. With the addition of an integrated handle and a lightweight design, welders can easily move the MC-80 or MC-80M around job sites, increasing productivity.

Furthermore, the versatile design of the MC-80M model includes a more advanced feature set, such as enhanced digital displays that offer real-time monitoring of welding parameters. This allows for improved control and precision during the welding process. Additionally, both models feature durable construction, ensuring reliable operation in demanding environments.

In summary, the Miller Electric MC-80 and MC-80M welding machines stand out due to their multi-process capabilities, innovative technology, energy efficiency, portability, and rugged design. These features make them ideal choices for both beginner and experienced welders looking to achieve high-quality results in a variety of welding applications.
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