| Electronics > Beginners |
| Wirewrap parts |
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| jmelson:
--- Quote from: wch on October 21, 2019, 04:38:06 am ---If you are going to build IC-based stuff, just look for wirewrap sockets on ebay. You may be shocked at the prices. As far as tools go, if you are going to wirewrap more than a few sockets, find a used electric wirewrap gun. Be careful not to buy a pneumatic or battery-powered version. The first is impossible to use and the second is unlikely to have a good battery. --- End quote --- I have a Gardner-Denver air-powered hand wirewrap tool. It works GREAT, and is vastly quieter than their electric model. I much prefer it to the electric one, which makes a HUGE bang when the indexing pawl stops the motor. The pawl hits so hard it actually destroys the old plastic parts in the electric tool. Of course, you need an air compressor for the air tool. Jon |
| chickenHeadKnob:
--- Quote from: KL27x on October 22, 2019, 05:02:30 am --- --- Quote ---Unless you are very experienced with a wire wrap gun, you should always use a manual unwrap tool. and honestly, unless you are unwrapping a zillion posts, a manual tool is the better choice. --- End quote --- My unwrapping tool IS manual. Maybe I have a bad one. I find it's way easier to use those other two methods. When I breadboard, I wire wrap almost exclusively, to pin headers pushed into the board. When I'm done, I unwrap and throw away all the wires and keep the headers. So I've done a fair bit of unwrapping. Albeit in this case, I think I cut the wires and unravel them from the bottom end. Been awhile, TBH. --- End quote --- Yes it is very likely you have a crappy or worn-out tool, I have encountered many in past years. The internal dimensioning of the tool is critical to get good wraps. I still have a ''golden'' OK tool wsu-30 , decades old. It is actually the standard anodized blue color not golden, but golden in operation. Unwraps as well, but that isn't as demanding of high precision. Unless the original poster has a huge quantity of wire-wrap sockets, I would recommend simple point to point soldering of magnet wire or wire wrap wire. It is what I do now even though I am fast and proficient in actual wire-wrapping as I used to do it professionally. |
| KL27x:
I think it's possible you completely misunderstood my posts? Manually unwrapping is the problem I had, not wrapping. I think it is also a bit demanding, perhaps. Because FWIW, my unwrap tool is from an OK Industries WSU-30, at least as much as I can remember. It was off a double ended tool with a hexagonal bar (of I wanna say it was blue anodized aluminum?)* for the handle, and there was a wire stripper blade you poke the wire into. I clearly remember it was OK Industries, but I can't be certain of the model number. (Because I dismantled it for the bits, not liking the wire stripper). Anyhow, it had the tendency to grab two loops of wire and then just seize the tool as you twisted; you have to watch and carefully attain the end of the wire, only, or you basically cross-threaded things. This is using standard pin header, which I measured out to 25 thous, which I understand to be the standard post for this wire. oops! see edit at bottom Kynar wire from Wes Bel (I think, or something like that?), which drop ships many components including this wire for Mouser. *And that was before I went back and noticed the full details of your post. Went back to quote this: --- Quote ---The internal dimensioning of the tool is critical to get good wraps. --- End quote --- I can't be sure which one of my wrapping tools is from the Oki tool, anymore. IIRC, it worked pretty ok. I have wrapping bits from at least 5 different sources/tools, and I have compared their performance and viewed the wraps and bits under magnification. To me, the best is from the vintage Radio Shack wrap tools which used to be marked that they were made in Japan... near perfect tension of the wrap and no problems with double-wrapping.** The only thing that bothered me was that the first wrap wasn't tight against the board or header spacer. So I sanded a couple thous off the end of mine. This wrap tool also happened to have the most intricate parts with the most complex (I imagine) machining and the best finishing under the microscope. All others were a bit simplified in comparison. I seem to recall some instructions on the original cardboard backing, perhaps, which said that it was also an unwrap tool. Instructions to turn CCW a half turn or whatnot to loosen the wrap. I found the wrap will then slide off, easily, in one piece. Maybe it doesn't work with all wrap tools. **One of my wrap tools had this problem, because the internal bore was too big. It worked if you learned the trick, but if you didn't, you could get the wrap over itself. This was from an OKI tool that was a like a large blue plastic pen with a wrap bit for the tip, a spool of wire on the end, and a slide lock on the side. It is completely possible they were intended for a different kind of wire. I bought them used, and they indeed came loaded with a 30AWG wire with a non Kynar and significantly larger diameter outer insulation. edit: Just dug out the unwrapping tool and tried it. And it seems like it works every time on standard pin header. I must have given up on it years back when I had wrapped a bunch of connection directly to thru hole IC leads. |O Well, I put it back on my tool rack, lol. |
| jfiresto:
--- Quote from: GerryR on October 22, 2019, 08:37:11 pm ---OK Machine and Tool Corp. made a nice combination tool, wrap, unwrap and strip, WSU-30, about the size of a small "tweeker" screwdriver. I literally have used it for stripping,wrapping and unwrapping thousands of wires, still have it and still use it. I haven't checked to see if OK is still around, but thought maybe you can find one of these on Ebay. If you need a picture, let me know and I will take and post one. --- End quote --- OK was taken over by Jonard Industries, now Jonard Tools. You can see their current, manual wrap and unwrap tools here. |
| netdudeuk:
This is how I used standard DIP sockets for wire wrapping - https://twitter.com/hunter_nigel/status/993030198156251136?s=20 |
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