Subject:
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Re: x210c01 ChromeSilver Drill 4 x 4 x 7
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Newsgroups:
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lugnet.cad.dat.parts
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Date:
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Fri, 12 Dec 2008 08:58:46 GMT
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Viewed:
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11167 times
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> > Just to refresh my memory ( I haven't done any parts since 2951)
Welcome back!
> > The
> > 48 primitives divide a circle in 48 straight lines, right? That would
> > for a 60 LDU diameter mean that each straight line is approx 4 LDU's
> > long, so using coneshapes each 4 LDU long would yield approx the same
> > resolution lengthwise as diameterwise, right? That's only about 40
> > cones, so maybe I'll go with 2 LDU.
>
> I do not understand correctly what you are saying.
> If you use a cone primitive you can stretch it in all direction. There is no
> need to use "about 40 cones". A maximum of 10 should do the same! You should use
> for this the program "cones and rings" that calculates the needed cones by give
> the minimum and maximum diameter and the length of the parts cone shape.
>
> cu
> mikeheide
I agree with Mikeheide, since the total curvature is low I think 6 cones would
be more than enough!
> > As for the screwshape, i plan to embed it slightly into the body in
> > order to avoid "holes". I'll create a program that does the math and
> > writes the lines for me.
Seems a good approach. As for the edge line between screw and cones, Isecalc
will provide it instantly! (It would be difficult to create it with your program
since this lines depends on the various cone sections).
Philo
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Message has 1 Reply:
 | | Re: x210c01 ChromeSilver Drill 4 x 4 x 7
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| (...) When the curvature is the only concern, then yes, but I have to take the screwshape into consideration, the closer I am to the ideal curve, the easier it is to calculate the screwshape and avoid holes in the part. Furthermore when thinking (...) (16 years ago, 13-Dec-08, to lugnet.cad.dat.parts)
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Message is in Reply To:
| | Re: x210c01 ChromeSilver Drill 4 x 4 x 7
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| (...) I do not understand correctly what you are saying. If you use a cone primitive you can stretch it in all direction. There is no need to use "about 40 cones". A maximum of 10 should do the same! You should use for this the program "cones and (...) (16 years ago, 12-Dec-08, to lugnet.cad.dat.parts)
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