Re: digitizing

From: Steve_Farentinos (
Date: Mon Jun 03 1996 - 15:29:44 EEST wrote:
> Bert,
> I found your post interesting, and would appreciate if you could elaborate
> on one point you made. You said you measure the resulting shape of the cast
> part. I would think you would need many measurement points in order to
> apply selective shrink correction factors in the next step of you process.
> This would imply to me that you are probably not measuring the cast parts
> with hand metrology equipment or a contact CMM. This leaves one with


I'm wondering why you believe a contact CMM is insufficient for gathering point data. In my
experience, this is still the most accurate digitizing tool and it allows you to take the
points in a more "strategic" manner, with higher density in more convoluted areas. At the same
time, you can measure features (form and position), a necessity if you're comapring to known


Steve Farentinos
PML, Inc.
201 W. Beach Ave.
Inglewood, CA  90302
310 671-4345
310 671-0858 Fax
310 671-1862 BBS

This archive was generated by hypermail 2.1.2 : Tue Jun 05 2001 - 22:37:22 EEST