Experienced CMM Programmer (30+ yrs), worked exclusively in the Automotive sector, worked mainly with customer supplied drawings.
On most of these drawings, features such as holes/bores & faces are identified with some kind of method,
for example, on a Cylinder Head each one of the faces is...
Hi, I am programming a Zeiss CMM in Calypso software and have a question about profile(s) of a face.
I have a Cylinder block with 6 bosses with a Profile tolerance 0.5 ABC and a Profile Tolerance 0.4 A (see attached jpeg).
The first part (0.5 ABC) is simple enough, the software allows me to...
Question 1 - True Position
(M6 Thread) - True Position diameter 0.25 to datum P (datum P is a boss face)
Is this another way of asking for the Perpendicularity of a hole to a face?
In this case the Perpendicularity of an M6 Thread to its accomplying boss face.
Question 2 - Profile of a face
2...
