Author Topic: Metric / ISO Standards  (Read 8684 times)

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dan19936

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Metric / ISO Standards
« on: April 05, 2006, 04:52:41 PM »
Our office is about to embark on our first metric / ISO project. Not drawing in feet-inches & dimensioning in millimeters, but drawing everything.

Does anyone have or can point to, basic graphic standards for ISO (international standards organization)?
Just basics like text height (vs. our 3/32" standard), dimensioning offset, extension line distances, etc.
Also things like standard plotting scales, what corresponds to 1/8" plans, 3"=1'-0" details, etc.
I can convert our own, just wanted to be little more 'standard'.

Thanks,

Dan

MikePerry

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Re: Metric / ISO Standards
« Reply #1 on: April 08, 2006, 07:53:47 PM »
Hi

See if the following ZIP file helps ( via Lilly Pond )...

AutoCADMetric.zip

Plus, I have a couple of articles I wrote that may prove helpful, useful ( examples used are based on the Metric System ), please let me know if you would like me to post them here...

Title: Mind the Gap.

Getting to grips with dashes and gaps that make up non-continuous linetypes may at first appear to be a trial and error process, but by following some simple guidelines it is a relatively easy, painless process to fully control these items.

Now that we have the system variables out of the way, lets take a look at a real world example that demonstrates how to control dashes and gaps in non-continuous linetypes. For this exercise we will be working in the Metric system (welcome to the wonderful world of the power of 10), but the same principles can be applied equally to the Imperial (English) system.

Title: Would you like to make Plotting from within AutoCAD an easy and relatively stress-free process?

If no, read no further and carry on as before.
If yes, read on and explore the power of Page Setups.

For this article we will, once again, be dealing with the Metric system (just like last months "Mind the Gap" article); come to the dark side and enjoy the multiple of 10.

*********

Have a good one, Mike

Slimİ

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Re: Metric / ISO Standards
« Reply #2 on: April 08, 2006, 08:50:05 PM »
Thanks Mike, I also am working on a metric project.

Great stuff, Thanks again.
« Last Edit: April 08, 2006, 11:35:40 PM by Slim »
I drink beer and I know things....

nivuahc

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Re: Metric / ISO Standards
« Reply #3 on: April 08, 2006, 11:26:41 PM »
Plus, I have a couple of articles I wrote that may prove helpful, useful ( examples used are based on the Metric System ), please let me know if you would like me to post them here...

Mike,

Any articles that you write would be a welcomed addition to our front page. By all means, if you are willing to have them here, please submit them via the link in the left-side control panel.

- Chuck

MikePerry

  • Guest
Re: Metric / ISO Standards
« Reply #4 on: April 09, 2006, 03:14:33 PM »
Thanks Mike, I also am working on a metric project.

Great stuff, Thanks again

Hi Slim

No worries... hope the rubbish I posted, proves to be a little helpful, useful...

Take care, Mike

MikePerry

  • Guest
Re: Metric / ISO Standards
« Reply #5 on: April 09, 2006, 03:16:10 PM »
Mike,

Any articles that you write would be a welcomed addition to our front page. By all means, if you are willing to have them here, please submit them via the link in the left-side control panel.

- Chuck

Hi Chuck

Done, both articles posted via "Submit an article!".

Take care, Mike

nivuahc

  • Guest
Re: Metric / ISO Standards
« Reply #6 on: April 09, 2006, 07:38:53 PM »
Mike,

Any articles that you write would be a welcomed addition to our front page. By all means, if you are willing to have them here, please submit them via the link in the left-side control panel.

- Chuck

Hi Chuck

Done, both articles posted via "Submit an article!".

Take care, Mike

Thanks, Mike, that's awesome! :)

- Chuck

Bryco

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Re: Metric / ISO Standards
« Reply #7 on: June 20, 2006, 06:50:09 PM »
Dim scales.
1)We do details and working drawings and don't need the large scales so
is  1,2,10,20,100  the usual for detailing?
2)I see Mike included a 25, is that standard?
3)In inches I set the full scale and half scale to 1/32" accuracy.
Is it usual to set the metric  full and half to .1?
4)Would 1:100 typically be accurate to 5mm?

Crank

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Re: Metric / ISO Standards
« Reply #8 on: June 27, 2006, 02:27:49 PM »
Dim scales.
1)We do details and working drawings and don't need the large scales so
is  1,2,10,20,100  the usual for detailing?
2)I see Mike included a 25, is that standard?
3)In inches I set the full scale and half scale to 1/32" accuracy.
Is it usual to set the metric  full and half to .1?
4)Would 1:100 typically be accurate to 5mm?
It's possible that you've to draw by another norm, but this is what we use in Europe:
    1) Drawing scales for architecture and civil constructions (concrete):
    1:1 1:2 1:5 1:20 1:50 1:100 1:200
    2) Steel structures:
    1:1 1:2 1:5 1:25 1:50 1:100 1:250  (an old standard is 1:30)
    3) Of course this is possible, but .1mm is very small.
    1 mm should be enough unless you're designing watches. :)
    4) We draw everything exact to scale. If you want your construction to be accurate to 5mm, just draw it accurate to 5mm. In our company we draw accurate to 1mm, but we try to make the constructions in cm. In our dimensions the decimals are suppressed when the dimension is exact. But if you want to make your drawings accurate to 5mm no mather what, then change DIMRND to 5.
What I'm trying to say is: forget changing the accuratecy: Draw accurate!
1" = 25.4mm , so when you just use mm, your drawing will be very accurate. :)

Attached is a lisp-file to make a dimstyle with our company's settings.
The code is very easy to read so you can modify it to your own needs.
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Bryco

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Re: Metric / ISO Standards
« Reply #9 on: June 27, 2006, 08:54:57 PM »
Thanks Crank, that's the info I needed.
We always draw accurate perhaps I needed to use the word tolerance.
For example, I think  house framing is ok within +_ 1/8"
I think I'll skip the 1:25 in favor of the 1:20
I guess I've seen measurements like 5.5mm, so I thought it may be necessary.