S&W Engineering Engraving Mill
with Centroid M39 Control

Aux Keys

Extend/retract touch probe

Custom M Functions

M23	Measure current tool
M24	Remeasure and store Z Reference in Parameter 942
M31	Signal Nanovea controller to start data collection
M32	Signal Nanovea controller to stop data collection
M40	Extend touch probe
M41	Retract touch probe
M61	Probe center of die, set XYZ part zero there
M62	Probe surface of die, set Z part zero there

Parameters, Variables, Coordinate Systems and Return Points

Machine Parameters

Parameter	Typical value	Meaning
940	1.675	X spacing between touch probe centerline and spindle centerline
942	-3.9749	Z Reference for tool measurement (distance down from home to trip touch probe on tool pad)
943	0.000	Y spacing between touch probe centerline and spindle centerline

Coordinate Systems and Return Points

Location	Use
WCS #1 - #6 (G54-G59)	Available for machining parts
Return Point #3 (G30 P3)	Touch probe aligned over tool touch pad
Return Point #4 (G30 P4)	Spindle aligned over tool touch pad (tool-measuring start point)