Tools/plasma/induction

Induction for the CUT-50 Plasma Cutter

Topic	Detailed Contents	Rationale
Proper Clothing	Preferably workshop overalls and safety boots but if not :- Stout leather shoes that you don’t mind getting messed up, no trainers, no open-toed shoes Jeans or similar heavy cotton trousers, must completely cover legs, no holes Cotton shirt, long-sleeved preferable but not essential All clothing is going to get dirty, dusty and possibly burn marks For fire-safety reasons - NO SYNTHETIC FABRICS	Staying safe from the hot metal spray
PPE and why	Overalls (sparks, UV) Boots (sparks, dropping things) Welding Gloves (sparks, hot metal parts) Ear protection (Loud noise/ultrasonics for long use) Goggles or welding mask (UV, flying sparks, grit, dust) Dust mask (Dust, metal fume headaches)	Protection from the specific hazards
Area Safety	Fire precautions Clearing area of flammables Getting fire extinguishers handy Everyone knows how to use one? Sounds level warning to other people Dust warning to other people especially if cutting anything other than carbon steel Good ventilation because of Ozone/NOx/Metal fume	Keeping other people safe around you
Electrical Safety	Avoiding wet areas (but mention industrial water-damped cutting) No Extension leads! Main terminal on power supply is live all the time at 100V	Let's not get anyone electrocuted
Metal fume/dust hazards	General hazards of fine dusts, tendancy to respiratory issues and headaches, need for for dust masks Hazards of galvanized metal, properly preparing galv and cleaning it Why are we restricted to carbon steels? (Cr2O3, Al2O3, NiO, CuO etc.) Is there interest in cutting other materials? (Will organize if wanted)	Metal dust and fume are long term health risks
Example	Example	Example
Example	Example	Example

Basics

What is plasma, why does it cut

What can be cut

Inspecting compressor and cut-50

Fitting consumables (examine, check, what constitutes too much wear, show examples)

Connecting up the equipment (air cleanliness & water)

Torch safety (airflow/electrical)

Starting up

Compressor

Setting pressure (3-6 bar)

CUT-50

Setting current (10A+5A/mm)

Cutting

Basic how-to

 Preparing material         (consider contaminants, good ground contact, consider what’s                                         underneath and on the underside)

 Torch perpendicular and slow even movement

 OK to brace on the material

How to recognise problems

 Demo on thin sheet

 Practice on thin sheet

 Piercing

 Guides (metal and wood, the differences)

Proper settings and how to choose them

Cutting on thicker materials

 Cutting speed/spark angle (15-20 deg)

 Flick-finishing

 Piercing

 Descaling

 Demo & Practice

Other topics

 Piercing into enclosed spaces