Disc probe Roller Calibration

[obakka]

I can calibrate Disc probe but i need to check groove width as Datum and grove width is only 6mm. with the help n5000-7810-02-a (disc Probe ) we planned to inspect width also please help me to calibrate Roller with disc probe

[AndersI]

PC-DMIS does not support the rollers on disk probes, but I faintly remember someone mentioning a working method in another thread - search the forum a bit, and you may find it.

[thomas pilc]

if you can fit a 25mm disk try this star probe this will cal

[TheDudeAbides]

PC-DMIS does not support the rollers on disk probes, but I faintly remember someone mentioning a working method in another thread - search the forum a bit, and you may find it.

It seems to work for me using only one side of the roller.

First, calibrate another normal probe in the exact spot you want to calibrate the disc probe, this way you can answer ''no'' when it asks you if the calibration sphere has moved.

Second, make sure you do NOT have DCC+DCC chosen in the calibration options. Choose ''DCC'' instead.

Third, check ''user defined'' instead of ''default mode''

I usually run 12 hits with three rows.

Next, figure out your start and end angles by using the math below.

18mm disc dia x 2mm thick
Calibrate using only 70% of the disk thickness (out of square comp.)

2mm x .70 = 1.4mm

half of 70% thickness
1.4mm / 2 = .7mm
Half probe dia.
18mm/2=9mm
Calculate the angle from horizontal center line to half disk thickness

SineA= .7/9
A=4.4º

Start angle -4.4º
End angle 4.4º


Note the start angle is negative and end angle is positive.
This is all information I compiled in my thread when I was having trouble. This worked like a charm. Dont thank me, thank the forum.