CNC Router: Difference between revisions
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:* Use printer paper under the bit and move it back and forth |
:* Use printer paper under the bit and move it back and forth |
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::* Lowering the Z until the bit just barely snags the paper. There should be room enough for the paper to drag under the bit. |
::* Lowering the Z until the bit just barely snags the paper. There should be room enough for the paper to drag under the bit. |
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* [https://youtu.be/r9-QHmy459o Click the 'Calibrate Switch' button]. The Z lower bound is now one paper width above the spoil board (~0.004" or 0.1mm). We do this to minimize cuts into the spoil board that we prefer to resurface as rarely as possible. |
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:* Jog the Z axis down 0.004" in 0.001" steps so the tool touches the bed (0.004" is one paper width). Now the tool should be effectively exactly on the bed. |
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* [https://youtu.be/r9-QHmy459o Click the 'Calibrate Switch' button] |
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:* The command log will first asks you to jog the bit to the bed, which is already completed |
:* The command log will first asks you to jog the bit to the bed, which is already completed |
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:* This step will start the process to reset the Z bottom at the current position of the bottom of the bit |
:* This step will start the process to reset the Z bottom at the current position of the bottom of the bit |
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