Surface Finish - ESAB Precision Plasmarc Installation, Operation And Maintenance Manual For Residential Installation

SECTION 4
Drop

4.2.4 Surface Finish

Top View
or
Process
Induced
Roughness
Part
Cut Face
Machine
Induced
Roughness
Top Edge Undercut
Standoff low (Arc Voltage)
•
Process Induced Roughness
Cut face is consistently rough. May or may not be
confined to one axis.
Incorrect Shield Gas mixture (See Process Data)
•
Worn or damaged consumables
•
M M M M achine Induced Roughness
Can be difficult to distinguish from Process Induced
Roughness. Often confined to only one axis.
Roughness is inconsistent.
Dirty rails, wheels and/or drive rack/pinion. (Refer
•
to Maintenance Section in machine owners
manual).
Carriage wheel adjustment
•
4-5
OPERATION