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process_stencils [2022/05/23 10:54] – benh | process_stencils [2022/05/23 12:21] – benh | ||
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**Note:** This process is detailed in the LPKF ProtoLaser' | **Note:** This process is detailed in the LPKF ProtoLaser' | ||
- | Before you start, you'll want to make sure that you have your solderpaste gerber files ready, along with your piece of polyimide. Note that we (typically) have either full 8x12 sheets, or a 24" | + | Before you start, you'll want to make sure that you have your solderpaste gerber files ready, along with your piece of polyimide. Note that we (typically) have either full 8x12 sheets, or a 24" |
- | - Log into the ProtoLaser. Turn on the tool and/or start the software if they are not already on and running. Brush off the processing surface; it needs to be clear of debris so that the polyimide can sit flat. | + | - Log into the ProtoLaser. Turn on the tool and/or start the software if they are not already on and running. Brush off the processing surface; it needs to be clear of debris so that the polyimide can sit flat. Place your polyimide sheet onto the processing table and tape it down. |
+ | - It's advisable to tape it down as snug as possible. Unlike FR4, this will flap around during processing if it's not secured to the table. Taping all four edges works well. | ||
- Start a new project (" | - Start a new project (" | ||
- | - Select the "Stencil" | + | - Click "Browse" (lower left) and navigate to the Desktop. Select |
- | | + | - " |
- | - " | + | - Note that you need one stencil per side of the board, so only select a single gerber file. Make sure it is set to the correct layers (either SolderPasteTop or SolderPasterBottom) before clicking " |
- | - At this stage, we want to position the design in the software so it cuts correctly | + | - If you see a warning about nothing |
- | - If you have a full sheet, click-and-drag to select | + | - If you have multiple solderpaste gerbers to import (i.e. multiple stencils to make, e.g. a PCB with components on both sides, or multiple PCBs), move your design out of the way (select all, right click, "Move Object" |
- | - If you have a specially-cut piece (as in, one that isn't the size of the bed), click over to the " | + | - After importing all your designs, move them around (left-click-and-drag to select |
- | - " | + | - " |
- | - Press the green play button to begin processing. Follow the steps as requested. | + | - If it has anything other than " |
+ | - Click " | ||
+ | - Move to the " | ||
+ | - Turn on the pilot laser (black laser button in the toolbar). | ||
+ | - Double-click on the processing area to move the pilot laser. Position it where you'd like the top-right of the design | ||
+ | - Right click > "Placement", and then left-click-and-drag | ||
+ | - Move the pilot laser (double-click) to the corners of your design to confirm that the >= 1" | ||
+ | - Once the design is properly placed within the polyimide, press the green play button | ||
+ | - After processing, you may need to bend the stencil a bit to make sure all the little bits are out. Check with the jeweler' | ||
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