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Need advice on creating assembly drawings

Carvey

How are most people creating board assembly drawings?

Is the BOM added on the assembly drawing or seperate?

The company I work for only uses A size drawings which makes the component outlines and reference designators pretty small.

 

  • Charlie Davies
    We use “D” size primarily and “E” size occasionally for both Fabrication and Assembly drawings.

    The BOM (Parts List) is a separate document and can be revised separately without affecting the revision of the assembly drawing.

    Regards,
    Charlie
  • redwire

     Same here.  D size for fab(s), assy(s).  BOM is separate doc.

  • jjatyyz

    I suggest the folowing: Use a PDF print engine. e.g. PDF Creator, accessible from the Windows Print Manger. In the PCB design tool display the PCB the layers you will want on the assembly drawing, e.g. FAB, ASYTOP, SILK. Kill the rourting layers, e.g. TOP, BOT and the DRILL layers. In the PCB design tool Select Print but in the Windows Print Manager select the PDF creator. Adjust the page size, orientation, etc. as required. Select Print. You may need a primitive PDF editor to crop the output and tidy the same for use.

    We are using Orcad Layout (now a Cadence legacy product.) Regards. JJ

  • elivs
    Assembly drawing are printed through PDF or DXF format depending on board size ranging from A4~A0. The visibility to be displayed is the assemly body, assembly refdes, and other related subclass related on assembly and sheet format. The bottom assembly as standard is printed in mirror image for easy recognition on manufacturing side. Try to increase the dpi settings if outputting on PDF file format. BOM list is a separate document using .xls format or sometimes in HTML format. You may output the BOM list using Report>Bill of Material Report if the library on logic information is properly declared. For us usually the BOM list is already supplied by the customers.
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