Archive for month: October, 2018

It has been over a year since we launched our Prototype & Small series Assembly service.

One question that we are often asked is, what information must you our customer supply for the Assemble service.

To answer this question, we need the BOM (Bill of Materials) and CPL (Component Placement List) data.

These files are usually generated by the CAD system and output in an ASCII format, the format varies from one CAD system to another however, it is the information contained within these files that is important.

The BOM must contain the information below:

• MPN (Manufacturers Part Number) or Supplier Part Number.
• Full Description of the Part (including value where applicable)
• Component Reference Designations that use this Part.

Addition information that is also very useful:

• Manufacturer
• Supplier

Below is an example of a BOM file.

It is important that each line that contains a Component Reference Designator also contains the required part information.

Using the CPL we automatically superimpose the components listed in the BOM to the PCB, allowing the verify the component placement on the PCB.

The CPL file must contain the following information:

• Component Reference Designator (e.g. C1, L2, R3 etc).
• X and Y Position of the component Center.
• Orientation
• Side (Top or Bottom).

Great news for KiCAD and Eagle users as the CPL data is already contained within the .BRD or .KiCAD file.

Below is an example of a CPL file.

For more information concern BOM and CPL files please visit the Eurocircuits PCBA Visualizer – user guide and the Eurocircuits Guide on How to Upload or Import BOM & CPL files into the PCBA Visualizer.

Should you have any questions about any of our services, please feel free to get in touch via email, telephone or instantly with our online chat during office hours. We will be more than happy to help.

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For many years Eurocircuits have provided you with important News & Information about our services, products, free to use smart tools and the Electronic Manufacturing World. Take a peak at what we offer:

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Events & Workshops. Eurocircuits is an active participant of events and exhibitions, it also organises events, seminars and workshops, especially concerning technical topics

Tips & Tricks.The electronic value chain starts with a design and then converting it to a digital form. This section covers all design related issues, their influence on manufacturing.

Electronic Manufacturing Technology. Eurocircuits goal is to inform all Electronic Designers about Electronic Manufacturing Techniques and processes. Whilst, this may start with PCB manufacturing it also covers the Assembly, Testing and Housing etc…

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Customer Applications & Student Projects. Eurocircuits actively encourages its customers to share their experiences with other customers. In addition to this, we support many student projects and inspire them to write about their adventures and the technology they have designed.

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