PC-DMIS

PC-DMIS for CMMs Calibration Start and End Angles for disk probes

PC-DMIS requires membership for participation - click to join

Calibration Start and End Angles for disk probes

Irongrid over 5 years ago

Again I am new for disk probes is there a preferred angle range being they are not spherical it puzzles me.

Parents

pcdmisstudent over 5 years ago

hello

you can use this calculation to figure out ur start-end angle.

example:

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
Cancel
Vote Up 0 Vote Down

Sign in to reply

Cancel
Douglas over 5 years ago in reply to pcdmisstudent

nice, I actually made a drawing of my disc and sphere to figure out what angle contact at the corner of the disc starts, then scaled back a bit. This approach simplifies it
Cancel
Vote Up 0 Vote Down

Sign in to reply

Cancel

Reply

Douglas over 5 years ago in reply to pcdmisstudent

nice, I actually made a drawing of my disc and sphere to figure out what angle contact at the corner of the disc starts, then scaled back a bit. This approach simplifies it
Cancel
Vote Up 0 Vote Down

Sign in to reply

Cancel

Children

No Data