Export Gerber Files from KiCad

Exporting Gerber files from KiCad is an essential step to prepare your design for Tillverkning av kretskort och Montering av kretskort. These files allow manufacturers to accurately fabricate your board and ensure smooth SMT-montering och Nyckelfärdig PCB-montering.

Below is a step-by-step guide to exporting Gerber files from KiCad.

Step 1: Open Your PCB Layout

Open your PCB project in KiCad and launch the PCB Editor (PCBNew).

Before exporting, run a Design Rule Check (DRC) to ensure there are no layout errors that could affect PCB Manufacturing.

Step 2: Open Plot (Gerber) Settings

In the PCB Editor, go to:

File → Plot

This opens the Gerber export (plot) window where you configure all output settings.

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Step 3: Configure General Settings

In the Plot window:

• Set Output format to Gerber
• Välj Units (millimeters recommended)
• Set Precision (e.g., 4.6 format)
• Select Use Protel filename extensions (commonly required by manufacturers)

These settings ensure compatibility with standard Tillverkning av kretskort processer.

Step 4: Select Layers to Export

Choose all necessary PCB layers.

Typical layers include:

• F.Cu (Top Copper)
• B.Cu (Bottom Copper)
• Inner layers (for multilayer boards)
• F.Mask (Top Solder Mask)
• B.Mask (Bottom Solder Mask)
• F.SilkS (Top Silkscreen)
• B.SilkS (Bottom Silkscreen)
• Edge.Cuts (Board Outline)

Selecting the correct layers is critical for accurate Montering av kretskort.

Step 5: Plot Gerber Files

Click the Plot button to generate Gerber files.

KiCad will export one file per selected layer into your chosen output directory.

Step 6: Generate Drill Files

Gerber files must be accompanied by drill data.

Click Generate Drill Files in the same window.

Configure:

• Drill units (match Gerber units)
• File format (Excellon)

Then click Generate Drill File.

This file defines hole sizes and positions for Tillverkning av kretskort.

Step 7: Verify Gerber Files

Always verify your Gerber files before sending them for Montering av kretskort.

Use KiCad’s built-in Gerber Viewer (GerbView) or a third-party viewer to check:

• Layer alignment
• Board outline accuracy
• Pad and via placement
• Solder mask openings

Verification helps prevent issues during SMT-montering.

Step 8: Prepare Full Assembly Package

För Nyckelfärdig PCB-montering, you should provide a complete set of files:

• Gerber-filer
• Drill files
• BOM (materialförteckning)
• Pick and place (centroid) file
• Ritningar för montering

This ensures smooth coordination between PCB fabrication and assembly.

Common Mistakes to Avoid

• Forgetting the Edge.Cuts layer (board outline)
• Missing solder mask or silkscreen layers
• Using inconsistent units between files
• Not generating drill files
• Skipping file verification

Avoiding these mistakes helps ensure a successful PCB Manufacturing process.

Slutsats

Exporting Gerber files from KiCad is a straightforward process when done correctly. By selecting the right layers, generating drill files, and verifying outputs, you can ensure accurate results in Tillverkning av kretskort, SMT-montering, och Nyckelfärdig PCB-montering.

A complete and correct file package reduces errors, shortens lead times, and guarantees high-quality PCB production.

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