Plasma Cutter

Make: Miller

Model: Spectrum 875

Ace: Needed (Makerhub@georgefox.edu).

Location: Welding Shop

Description

Miller Spectrum® 875 Plasma Cutter with 20 foot XT60 torch has compact size but 60 amps of output power.

It features easy operator controls, for optimum cutting and gouging performance.

Here is an example of this piece of equipment being used.

Documentation

Terminology

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User Manual

Training

Overview

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Demonstration

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General Procedure

1. Place fume hood over the area you will be welding at
2. Turn air on
3. Turn plasma cutter on
4. Attach ground clamp
5. Measure thickness of material being cut and refer to chart for current setting on machine
6. Set the current on the plasma cutter
7. Place the drag shield on the edge of the base metal, or hold ⅛ inch off the surface. Direct the arc straight down.
8. Raise the trigger lock and press the trigger, this will engage the pilot arc
9. Once the cutting starts, begin to slowly move the torch across the metal
10. Adjust your speed so the sparks go thru the metal and out the bottom of the cut
11. At the end of the cut, angle the torch slightly towards the final edge or pause briefly before releasing the trigger
12. Turn off machine
13. Turn off air
14. Disconnect ground clamp

Safety

1. Don't cut lead, zinc, copper, cadmium, or beryllium.
2. Don't attempt to cut with the compressed air off
3. Don’t cut with the vent hood off

Certification

Foxtale Quiz

Maintenance

General maintenance

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Specific Maintenance Tasks

Maintenance Procedure	Frequency	Done By
Sample	Sample	Sample