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Hole Size Roundoff?

Printed From: PCB Libraries Forum
Category: PCB Footprint Expert
Forum Name: Questions & Answers
Forum Description: issues and technical support
URL: https://www.PCBLibraries.com/forum/forum_posts.asp?TID=2124
Printed Date: 06 Oct 2024 at 4:28am


Topic: Hole Size Roundoff?
Posted By: magnus.lictor
Subject: Hole Size Roundoff?
Date Posted: 02 Apr 2017 at 4:40am
As a newbie to this tool, I am trying to find my way through the preference settings. But I can not find a way to set a hole size round off.

So i end up with hole sizes like 0.82, 0.93 and so on.  I would like the hole size to round off at 0.05 mm. 

In that case I will end up with hole sizes like 0.80, 0.95 and so on.

Is there a setting in the preferences that will do that?

Regards,
Charles



Replies:
Posted By: Tom H
Date Posted: 02 Apr 2017 at 11:57am
There is a video in Help > Topics > Contents > Preference Settings > Through-hole Preferences

http://www.pcblibraries.com/products/fpx/userguide/default.asp?ch=2.7" rel="nofollow - http://www.pcblibraries.com/products/fpx/userguide/default.asp?ch=2.7

However, in "Preferences > Terminals > Through-hole" I only see a pad size round-off and not a hole size round-off.

But in the Calculator, you can select the "Footprint" Tab and select "Use Manufacturer's recommended dimensions" and if you check that box you can override the calculated hole size and enter any value that you want. This way, you round up or down any way you want. You also control the pad size so if you round up the Hole Size, make the pad size larger.

If you download a FP Designer part from POD and don't like the hole size, you can edit the pad stack to change the pad size on any layer (Top, Inner, Bottom, Solder Mask Top & Bottom) and the hole size and FP Designer will auto-update all pad stacks.



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Posted By: IanOnBass
Date Posted: 02 Apr 2017 at 12:17pm
Changing the pad size round-off affects the hole size rounding too. Changing this to 0.05 mm will give the results that Charles is looking for.


Posted By: Tom H
Date Posted: 02 Apr 2017 at 12:23pm
Wow, I didn't know that. Thanks Ian!



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Posted By: magnus.lictor
Date Posted: 02 Apr 2017 at 10:24pm
Thanks Ian,


A nice feature that does exactly what i am looking for.


Clap Charles



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