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| Buffing wheel safety. |
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| S. Heslop:
--- Quote from: vtsteam on May 30, 2015, 11:48:46 AM ---Not for safety reasons, particularly, but I've found that as I've grown older, I enjoy files and filing more. A new file is a pleasure to use, and hard to explain why. Especially since when I was 13 my father had my brother and I filing and linishing parts at his machine shop as a summer job. In fact I had zero interest in machining after that up until I somehow re-discovered it on my own throught the Gingery books at 50 yrs age. Now I like filing. Go figure. --- End quote --- I've been getting alot of use out of files after I bought an assorted bundle of pretty good ones from ebay. I keep thinking that some day i'll build a wheellock gun just as an excuse to use a bunch of files. I did look into the legality of it, even posted a thread, and it looks like alot of work to get all the right certificates. While that itself doesn't put me off it's more that I don't really have the time for a project i'd have to take very seriously. This banjo stuff is fine because i'm ready to drop it when some stuff i'm trying to sort out eventually gets... sorted out. |
| Lew_Merrick_PE:
Back in the late-1960's and early-1970's when I was making 10-20 banjos/year, I made a forging dieset to finish by head tension hooks so that I had a better flat to fit my tension hoop. The tool I used to remove the flash and polish them up was an abrasive-embedded rubber wheel (then sold under the Cratex brandname) mounted on an 8 inch bench grinder. I used a fairly aggressive abrasive wheel to remove the flash and a finer one to polish them. The (8 inch) Cratex wheels appear to have disappeared from the market, but I see equivalent in many of the shops with whom I work. Not having earned my living making chips since the mid-1970's, I am out of touch with many of the "modern" technologies. The only Cratex products I have seen of late are used in die grinders. |
| Jonny:
With any mop polisher it has the tendency when it grabs to fling the part downwards. Small parts are easily lost and build up heat quick. My method is to keep rotating the parts, whilst doing one the others are cooling, especially if a heat retaining item such as aluminiums. Never wear gloves, you want to get a feel for whats happening. Gloves will reduce the heat coming through the part/s but will have little feeling holding the part, subsequently wont know whether holding tight enough or when its starting to grab. Can be all over in less than 1 second parts grabbing then bouncing off 6 walls and ceiling. Hate it with a passion much prefer bead blasting the last 15 years, pedestal 10" polisher running 6000rpm reverse (just hang on) been outside the last 13 years, cant even give it away. To back that up professional polishers don't wear gloves for above reasons. A hard woven mop and a 60 to 100 grit soap forget the name but a rouge will rip those edges straight off, sparks will fly. Just go down the grades until desired finish. Since my rouge/brown 80grit has gone hard, should be kept in fridge its gone off, depending how many might have tried linishing the edges to shape then a mop jobby. |
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