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SMD Land Pattern Calculation For Wave Solder? |
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drj-bbe 
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Joined: 08 Jul 2015 Status: Offline Points: 71 |
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 Topic: SMD Land Pattern Calculation For Wave Solder?Posted: 05 Aug 2015 at 7:44pm |
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Hello,
Does Library Expert Pro can calculate SMD land pattern for wave process (SMD components mounted on board with glue, and then go through wave soldering)? Normally, SMD land pattern size will be larger than normal design if use wave soldering. Is there calculation suggested? Thanks
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Tom H
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Joined: 05 Jan 2012 Location: San Diego, CA Status: Offline Points: 5717 |
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Posted: 05 Aug 2015 at 8:42pm |
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You can define Wave Solder rules in Library Expert > Preferences.
The Library Expert FPX file contains these 2 items and everything else is documentation -
You can create many rule files for Flexible Circuits, Wave Solder, High Density (cellular), Class 3 (medical/military) or user specific preferences for your personal corporate rules. Use the same FPX file to auto-generate various libraries for every aspect of the electronics industry. You are in 100% control of the resulting footprint and the many different libraries you create. With Library Expert, you have Free access to download hundreds of thousands of parts on-line. There is no need to manually build PCB library parts anymore. Everything is automated. |
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drj-bbe
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Joined: 08 Jul 2015 Status: Offline Points: 71 |
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Posted: 07 Aug 2015 at 2:21am |
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Thanks for your imformation.
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Tom H
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Posted: 07 Aug 2015 at 6:27am |
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The solder joint goals for SMD Wave Solder and Flex Circuit libraries might be an automatic in V2016.
IPC states that the same pattern for Reflow can be used for Wave Solder, but I have heard different from component manufacturers and assembly shops. The typical formula for a Wave Solder pad size calculation is -
The typical formula for a Flex Circuit pad size calculation is -
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