CNC Plasma Cutter Tool Training - Artisan's Asylum

43 Pages·2013·2.95 MB·English

CNC Plasma Cutter Tool Training
Gui Cavalcanti
4/29/2013
Training Goals
1.
Introduction to CNC gantries and safety
2.
Introduction to plasma cutters and safety
3.
Overview of routine plasma cutter maintenance
44..
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5.
Overview of CNC plasma cutting
6.
Mechanical design for plasma cutting
7.
Example cutting of mild steel
8.
Artisan’s Asylum reservation infrastructure
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Gantry Control and Height Control Unit
CNC Gantry – X- and Y- Axis
Torch and Z-Axis
Water Accumulator and Drain
Important Notes
• The gantry system mostly does exactly what you
tell it to – -code
execute simple G
– “Open Loop” stepper instead of “Closed Loop” servo
–– DDooeessnn’’tt ssttoopp aatt ttaabbllee lliimmiittss
– Doesn’t stop for fingers/obstructions
– Doesn’t stop for the grounding cord
– Doesn’t stop for torch crashes
• Sometimes, it crashes and does something you
didn’t tell it to do
CNC Gantry Safety
Clear torch work area of all
•
Pinch Points
obstacles
• Make absolutely sure rails
are clear of obstacles and
cords
•• BBee aawwaarree ooff tthhee ppoossiittiioonn ooff
–
the gantry at all times
assume it can start moving
at any time
• Keep your hands off and
body away from the machine
at all times while it’s in
motion
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