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Tapered Threads

Tapered Threads

Tapered Threads

(OP)
There's no answer to this on the MCAD discussion group, just lots of complaining (and I don't blame them).

Anybody got any info on producing tapered threads and allowing them to be seen in standard format?

Fawkes

RE: Tapered Threads

Hi
It is a good idea to do it for your drawing templates ;)

Use AMTEMPLATE and make two new templates
BLIND_TAPPED, THRU_TAPPED
and click Edit Template and fill with that:

(for BLIND_TAPPED)
M%%AMTAPDIA; Depth %%AMTAPDEP

(for THRU_TAPPED)
M%%AMTAPDIA THROUGH

You can add any other variables which you find from other
hole templates (c'bore, c'sink)

WBR,
Linqur

RE: Tapered Threads

(OP)
Linqur,

Thanks for the tip, this isn't quite what I'm getting at though. Within MD6 you can create a tapped hole and the drawing view will show the hole in standard format, using lines to identify max and min thread diameters. This facility isn't available for tapered holes such as NPT.

What we have to do at the moment is generate a threaded hole and show it in the layout with the threads, for scales in excess of 1:5 for say a 1" NPT thread this shows as a black blob on A4.

To the best of my knowlege the only way round this at the moment is to create a tapered hole at the minimum thread diameter and add the maximum thread lines manually in the layout.

Fawkes

RE: Tapered Threads

OK.
Don't foget to use Annotate to tie these lines to drawing view
Linqur

RE: Tapered Threads

im only 19, but umm, i think i know what your saying.
this engineer where i used to work had a problem sort of like this. maybe there is some way you can make it tapped so in the drawing space the hole note says tapped, but add a tapered helix inside the hole so you can see it in the model and drawing space.
i hope this is what your talking about.
Nick

RE: Tapered Threads

(OP)
You can create a tepered helix to represent the thread however, for a 1/4" NPT thread this invariably shows as a black block in the layouts because of the scales.

What I've decided to do is to create a tapered hole set to the major diameter of the thread and drawn the minor diameter of the thread manually on the layouts.

Fawkes

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