Difference between revisions of "PCB Heatbead for Home Etching (Q51510)"
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(Added [en] label: PCB Heatbead for Home Etching) |
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Latest revision as of 19:26, 25 February 2022
No description defined
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PCB Heatbead for Home Etching
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en
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triffid_hunter
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www.thingiverse.com
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auto
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1.0.0
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https://spdx.org/licenses/CC-BY-SA-4.0
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I saw prusa's excellent heated bed, but the dimension was too large for the blank stock I had available, and there were too many narrow traces for an easy home etch, so I designed a different one. Dimensions are 200x200mm, hole centers are 190mm apart. Design resistance is 0.95 ohms. Etch from 1oz (36um) copper to get this resistance. Gives 150w from a 12v source, and consumes 12.5A. I've had my bed up to 140°C before, and didn't want to take it higher for fear of cracking my glass or damaging the FR4 PCB material.
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thingiverse.com
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