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Graphics and Part Markings

Which marking methods are permanent?

Laser marking, machined engraving, engrave and fill, and dot peening are all considered permanent marking methods suitable for industrial and military applications.

What types of laser marking do you offer?

We offer several types of laser marking, each with a unique look and feel. Our options include engrave, burn, silver, outline, ablate and anneal.

Can I use different types of laser marking on the same part?

Yes, depending on your design requirements, you can use more than one type of laser marking on your custom enclosures, parts and panels to achieve your desired aesthetic.

What marking methods support MIL-STD-130?

Laser marking, machined engraving, engrave and fill, dot peening and rubber stamping are all recommended for MIL-STD-130 applications.

Can Protocase add serial numbers to parts?

Yes, we can add serial numbers as part of our custom manufacturing process. Our methods include laser marking, engrave and fill, machined engraving, dot peening, rubber stamping and Avery labels. We can also add serial numbers using graphic techniques like silkscreening and digital printing.

What is the best graphics method for custom metal enclosures?

The best marking method depends on your project requirements. Digital printing is ideal for detailed multicolor graphics, silkscreening works best for sharp single color designs, while laser marking and engraving provide permanent identification.

When should I choose digital printing over silkscreening, and vice versa?

Our standard CNC machining tolerances are:

  • Standard: ±0.005" (±0.127mm)
  • Precision: ±0.002" (±0.05mm)
  • High Precision: ±0.001" (±0.025mm) - additional charges may apply

Tighter tolerances are available upon request. Please specify critical dimensions in your drawing.

Where can I learn more about the differences between digital printing and silkscreening?

You can check out our guide that compares digital printing and silkscreening.

What file formats does Protocase accept for digital printing?

To ensure the highest print quality and clarity, vector graphic files are recommended:

  • .AI - Adobe Illustrator

  • .EPS - Encapsulated PostScript

  • .SVG - Scalable Vector Graphics

  • .PDF - Portable Document Format

  • .DXF or .DWG - AutoCAD

We can accept the following raster image files (however, additional processing charges may apply):

  • .PNG - Portable Network Graphic

  • .JPG (.JPEG) - Joint Photographic Experts Group

  • .TIF (.TIFF) - Tagged Image File

  • .PSD - Photoshop

  • .VDX, .VSD, or .VSDX - Visio

  • .DOCX - Microsoft Word

  • .PPTX - Microsoft PowerPoint

Are there any file formats Protocase cannot accept for digital printing?

Yes, we cannot accept .CDR (Corel Draw) files.

What is the difference between 720 DPI and 1440 DPI digital printing?

720 DPI is ideal for standard labeling and graphics, while 1440 DPI is recommended for highly cosmetic applications, large gradients, and customer facing products.

Still have questions?

Our engineering team is ready to help with your specific project requirements.

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