Re: Calculation of milling - toolpaths (on free-form-surfaces)

From: Justin R. Kidder (
Date: Thu May 07 1998 - 16:55:10 EEST

I don't know if you will have access to this from Holland, but a former
colleague of mine wrote his master's thesis on this subject at the
University of Massachusetts, Amherst. The title was "Knowledge Based
Free-Form Surface Machining". I don't know where he is working now,
though, or else I would ask him to contact you. But if you can request it
from their library somehow, that should give you a head start. He wrote a
related proceedings paper for SPIE, titled "Homogenous Path Generator for
Automated Laser Burn Debridement", Volume 2911, 1996, but I don't know how
much he stuck to the milling aspect in that paper.

Sorry I couldn't be of more help,

Justin Kidder, Research Asst. | Automation and Robotics Laboratory | University of Pittsburgh
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On Thu, 7 May 1998, Jan Willem Gunnink wrote:

> Dear RP-people,
> Besides LMT techniques like LOM, FDM, MJM and KIRA-PLT we are using
> a lot of milling. We use 3- , 3+2- and 5 axis milling with MIKRON
> HSM 700, MIKRON VCP710 and JOBS-JoTECH machines. Our question is
> related to this area:
> Is there anybody who is reading this mailing list who can tell me
> (pref. exactly) how millingpaths are calculated on a solid or
> a (free-form) surface. I know that sometimes this is done by
> projecting patches on the surfaces but i don't know this exactly and if
> there are other ways. I need this because we are doing a investigation in this
> area. I'm interested in an explanation and also in any books or
> articles on this subject.
> Many thanks in advance from Holland and if anybody is interested i
> will of course share the answers.
> Jan Willem Gunnink
> \I/
> (0 0)
> ---------------------oOO--(_)-OOo-------------------------------------
> Ir. Jan-Willem Gunnink TNO Institute of Industrial technology
> tel: +31 15 2608747 Dept. of Industrial Prototyping
> fax: +31 15 2608756 P.O. Box 5073
> E-mail 2600 GB Delft
> The Netherlands
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