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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
Posted to sci.electronics.design,sci.electronics.repair
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PCB prototyping idea
On 26/05/2016 20:37, Jim Thompson wrote:
On Thu, 26 May 2016 14:16:30 -0500, Jon Elson wrote: N_Cook wrote: I was in a craft shop today and one of these was being demonstrated www.cricut.com I got the demonstrator to try it out on 0.05mm thick copper foil. It worked very well on parallel lines 0.3mm spacing and letters where the vertical body of letters wer of qwerty were 2mm high and extra curveyness of the "fun" script cut out and came through perfectly well. She was so impressed she emailed a pic the engineering department of that company. Machine is roller feed of flat sheet. Requires firm , more than stick-it note, bonding of the foil to a backing or the foil will tear. The cutter was not new, a few months of about 22 hours a day use, often left running overnight for multiple outputs, like 3D printer operation. Hmmm, very interesting. Can you send me a picture of that test, too? A guy I'm working with is doing wearable LED clothing. We made some prototypes with Rogers flexible PCB material, that is super expensive. It looks like this machine might be able to use some cheap laminated material, like they use for metallic labels. You just need to get the stuff made up with copper foil instead of aluminum. (Cricut seems to like stainless foil.) Where did you get the copper foil? Was this just bare copper foil, or was the foil attached to some plastic backing? That's what I'd want, of course, to make a flexible PCB. Or, does Cricut supply the backing as a standard consumable? Thanks for the info, looks VERY interesting. One other area, can you feed it arbitrary drawings? How about Gerber files? (Yeah, I know, I'm asking a lot!!) Jon Can you feed it a ordinary PCB blank? I have a Stika "printer" which cuts stick-on tape that I've used successfully to mask sand-blasting glass with fairly intricate patterns. I've been tempted to try that as an FeCl3 etch mask. ...Jim Thompson She had examples of neatly cut leather about 3mm thick, so presumable with correct offset for depth of cut , would work on this m/c |
#2
Posted to sci.electronics.design,sci.electronics.repair
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PCB prototyping idea
On 5/26/2016 4:31 PM, N_Cook wrote:
On 26/05/2016 20:37, Jim Thompson wrote: On Thu, 26 May 2016 14:16:30 -0500, Jon Elson wrote: N_Cook wrote: I was in a craft shop today and one of these was being demonstrated www.cricut.com I got the demonstrator to try it out on 0.05mm thick copper foil. It worked very well on parallel lines 0.3mm spacing and letters where the vertical body of letters wer of qwerty were 2mm high and extra curveyness of the "fun" script cut out and came through perfectly well. She was so impressed she emailed a pic the engineering department of that company. Machine is roller feed of flat sheet. Requires firm , more than stick-it note, bonding of the foil to a backing or the foil will tear. The cutter was not new, a few months of about 22 hours a day use, often left running overnight for multiple outputs, like 3D printer operation. Hmmm, very interesting. Can you send me a picture of that test, too? A guy I'm working with is doing wearable LED clothing. We made some prototypes with Rogers flexible PCB material, that is super expensive. It looks like this machine might be able to use some cheap laminated material, like they use for metallic labels. You just need to get the stuff made up with copper foil instead of aluminum. (Cricut seems to like stainless foil.) Where did you get the copper foil? Was this just bare copper foil, or was the foil attached to some plastic backing? That's what I'd want, of course, to make a flexible PCB. Or, does Cricut supply the backing as a standard consumable? Thanks for the info, looks VERY interesting. One other area, can you feed it arbitrary drawings? How about Gerber files? (Yeah, I know, I'm asking a lot!!) Jon Can you feed it a ordinary PCB blank? I have a Stika "printer" which cuts stick-on tape that I've used successfully to mask sand-blasting glass with fairly intricate patterns. I've been tempted to try that as an FeCl3 etch mask. ...Jim Thompson She had examples of neatly cut leather about 3mm thick, so presumable with correct offset for depth of cut , would work on this m/c What is an m/c? -- Rick C |
#3
Posted to sci.electronics.design,sci.electronics.repair
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PCB prototyping idea
On 2016-05-26 04:06 rickman wrote:
What is an m/c? It's a robot Master of Ceremonies, otherwise known as a Machine. Mike. |
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