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| | #31 | |
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I use the Pulsar system and it works very well. Some simple questions? What is the problem you are having. Is the toner not attaching to the paper? Is the paper not letting go of the toner? Is the toner not sticking to the copper?
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| | #32 |
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How can i drill the PCB board without Cracks (It will soon broken when i drill it..............
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| | #33 |
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What is the substrate PCB material ? Some are more prone to breaking then others. Fiberglass would be good. Use a sharp bit. Do not push, let the drill do the cutting. Small bits heat quickly. Forcing them makes it worse. Hot drills go dull quickly. May only last a few holes. Carbide bits stay sharper longer but break easily unless you use a drill press or drill stand. You should be using a drill stand or drill press. Use a CNC machine | |
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| | #34 | |
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| | #35 | |
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To understand why small drills require high RPM you need to consider how fast the edge of the bit is moving. The edge speed is edgeSpeed = pi* drillDiameter*rpmThe slower the bit edge moves the slower you need to feed the bit into the work. It is easy to ruin HSS bits by feeding them too fast at low rpm. What sort of drill are you using ? | ||
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| | #36 |
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I use a dremel and one of these:http://www.amazon.com/gp/product/B00...d_i=B0000302Y5 Works like a charm, and you can get a board finished much faster than free-handing it. | |
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| | #37 |
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One problem I have with the HCL etchant is that if you dont mix it correctly, it washes off the ink right off the board
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| | #38 |
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Man, that is good. I always had used ferric chloride to etch my boards. Ill try this new stuff soon.
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| | #39 | |
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| | #40 | |
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Last edited by Ambient; 29th October 2007 at 06:53 AM. | ||
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| | #41 |
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I used permanent marker (sharpie)It works great if you have 2:1 Mixture, but dont experiment with different values. It works best.
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| | #42 |
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check out this site for PCB http://technofreek.com/index.php?pg=10017 | |
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| | #43 | |
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| | #44 |
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What is the common commercial name for Hydrogen Peroxide? TIA
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| | #45 |
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I've never heard any other name. Wikipedia lists: μ-1κO,2κO’-Dioxidodihydrogen Dihydrogen dioxide Hydrogen dioxide Dioxidane | |
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| Tags |
| cheap, etching, good, pcb, solution |
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