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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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#1
Posted to rec.crafts.metalworking
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WTB-Rent 7/8-5 Acme tap
Looking to make some lead screw nuts from alum or silicon bronze .
Need 7/8-5 acme tap. Gunner "I think this is because of your belief in biological Marxism. As a genetic communist you feel that noticing behavioural patterns relating to race would cause a conflict with your belief in biological Marxism." Big Pete, famous Usenet Racist |
#2
Posted to rec.crafts.metalworking
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WTB-Rent 7/8-5 Acme tap
On Sat, 29 Apr 2006 19:08:52 GMT, Gunner
wrote: Looking to make some lead screw nuts from alum or silicon bronze . Need 7/8-5 acme tap. Gunner "I think this is because of your belief in biological Marxism. As a genetic communist you feel that noticing behavioural patterns relating to race would cause a conflict with your belief in biological Marxism." Big Pete, famous Usenet Racist ========== Depending on your time frame and condition of existing parts it may be possible to use babbit [old technique] or epoxy/moglice [new technique] to [re]form the internal threads in place using the lead screws as a mold. Apparently this seems to hold up fairly well. Be sure to smoke or apply mold release to threads. Unka George (George McDuffee) There is something to be said for government by a great aristocracy which has furnished leaders to the nation in peace and war for generations; even a democrat like myself must admit this. But there is absolutely nothing to be said for government by a plutocracy, for government by men very powerful in certain lines and gifted with the "money touch," but with ideals which in their essence are merely those of so many glorified pawnbrokers. Theodore Roosevelt (1858-1919), U.S. Republican (later Progressive) politician, president. Letter, 15 Nov. 1913. |
#3
Posted to rec.crafts.metalworking
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WTB-Rent 7/8-5 Acme tap
According to Gunner :
Looking to make some lead screw nuts from alum or silicon bronze . Need 7/8-5 acme tap. For that -- I would probably use a 3/4" or slightly smaller boring bar with a HSS tool ground to the Acme 5 TPI thread profile. I certainly don't have a tap of that size. Actually, all that I *do* have a tap for is a 1/2-10 LH Acme tap to match the cross-feed leadscrew on my Clausing. Out of curiosity -- are these right-hand or left-hand threads? And how much will your squished finger get in the way of this? (I presume that you did take it to a doctor after sprinkling everything in the vicinity?) I wish that I had a tape recorder to record the record stream of invective you generated. :-) Enjoy, DoN. -- Email: | Voice (all times): (703) 938-4564 (too) near Washington D.C. | http://www.d-and-d.com/dnichols/DoN.html --- Black Holes are where God is dividing by zero --- |
#4
Posted to rec.crafts.metalworking
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WTB-Rent 7/8-5 Acme tap
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#6
Posted to rec.crafts.metalworking
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WTB-Rent 7/8-5 Acme tap
On Sun, 30 Apr 2006 22:10:03 -0500, "Martin H. Eastburn"
wrote: Just another Candy ass Huh ? Think not - Martin Shucks Martin..you have been over to the homestead..and you know that Im a simple Walter Mitty type..little bitty harmless lovable fuzzball. A nebish. btw..Im trying to find out the best way to ship your hoist. Its about 75 lbs best as I can figure. I did paint it up for you. I hope you like Shocking Pink Dayglo. I tried to accentuate it with Cobalt Blue Paisley..but it was tedious painting in all the little squiggles. Gunner Martin Eastburn @ home at Lions' Lair with our computer lionslair at consolidated dot net NRA LOH & Endowment Member NRA Second Amendment Task Force Charter Founder IHMSA and NRA Metallic Silhouette maker & member Gunner wrote: On 30 Apr 2006 03:40:39 GMT, (DoN. Nichols) wrote: According to Gunner : Looking to make some lead screw nuts from alum or silicon bronze . Need 7/8-5 acme tap. For that -- I would probably use a 3/4" or slightly smaller boring bar with a HSS tool ground to the Acme 5 TPI thread profile. As it happens..a friend who owns a grinding shop needs several dozen nuts made as well. Ive assisted him in developing a retrofit package for very old Kwick-Way OD grinders, and we are doing several dozen machines he has in storage. If it works as well as I think it will over time..we may market this. Then of course we will do the nuts properly I certainly don't have a tap of that size. Actually, all that I *do* have a tap for is a 1/2-10 LH Acme tap to match the cross-feed leadscrew on my Clausing. Out of curiosity -- are these right-hand or left-hand threads? Right hand. And how much will your squished finger get in the way of this? (I presume that you did take it to a doctor after sprinkling everything in the vicinity?) I wish that I had a tape recorder to record the record stream of invective you generated. :-) Enjoy, DoN. Doctor? Hell..they are for something serious. Or if you have insurance. The company owner who dropped it, Jeff...fluttered around with some bandaids which were totaly useless..and after running my hand in cold water for several moments, washed it well with soap and water. I asked him to come out to my truck and dig out my Go Bag. I debrided the loose skin with the sicssors from my surgical kit (he couldnt do it..a bit green and loose in the knees..shrug), rinsed everything well with betadine solution, realized that sutures wouldn help, put a sterile eye patch gauze pad on both sides of the finger..had him wrap it with tape, then taped an aluminum (metal content) finger splint to the finger, then want back and finished the job. I changed the dressing that evening,..popped a rather large hemmatoma in the joint, cut a drain hole in the now deflated bubble, redressed after another soap/water and betadine wash and worked all Friday with that damned splint getting in the way. This morning about 10ish am..I cut the splint off along with the dressing, did a bit more debriding, nice pink skin in the wound, spread in some antibiotic cream, rewrapped, left off the splint and went out to do some crank turning for a buddy who needed an adapter built for a C-face motor conversion on a very elderly Trane air conditioner for a little old lady who is on O2, cause it hit 87F here today and she wasnt doing well in the heat. By 2pm..the bandage had sloughed off..but the wound wasnt a bother, put some plastic spray over it and finished the job. It actually doesnt look to bad, all things considered. Ive got a nice wide cigar band in interesting colors around that joint..but its fully functional and healing nicely. Im glad I didnt need sutures as Im afraid poor old Jeff wasnt up to the task, and though Ive stiched myself up before..it tends to be a long drawn out process putting a curved needle through your own skin if you dont have any topical anethetic. Its not really the pain so much as you know how much the first one hurt..and nerving up for the next one takes a bit in mental prep. Shrug..so Im a pussy. After the whole thing was over..Jeff started laughing (mostly in relief) and commented that I didnt repeat any words in my rant for over 5 minutes, and some words he had never heard before. Shrug. **** me running but that hurt for a bit. But its a relief now being able to type without that splint being in the way. I had to hunt and peck a bit when I first posted when I got home at 2am Saturday morning from LA. Gunner "I think this is because of your belief in biological Marxism. As a genetic communist you feel that noticing behavioural patterns relating to race would cause a conflict with your belief in biological Marxism." Big Pete, famous Usenet Racist |
#7
Posted to rec.crafts.metalworking
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WTB-Rent 7/8-5 Acme tap
On Sat, 29 Apr 2006 19:08:52 GMT, Gunner wrote:
Looking to make some lead screw nuts from alum or silicon bronze . Need 7/8-5 acme tap. I think I have one, will check tonight. Gunsmithing thread, right? |
#8
Posted to rec.crafts.metalworking
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WTB-Rent 7/8-5 Acme tap
On 1 May 2006 16:59:41 GMT, Dave Hinz wrote:
On Sat, 29 Apr 2006 19:08:52 GMT, Gunner wrote: Looking to make some lead screw nuts from alum or silicon bronze . Need 7/8-5 acme tap. I think I have one, will check tonight. Gunsmithing thread, right? Blink ..I dont think Ive ever seen a breech on a small arm in that long an acme lead. But please check indeed. Gunner "I think this is because of your belief in biological Marxism. As a genetic communist you feel that noticing behavioural patterns relating to race would cause a conflict with your belief in biological Marxism." Big Pete, famous Usenet Racist |
#9
Posted to rec.crafts.metalworking
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WTB-Rent 7/8-5 Acme tap
On Mon, 01 May 2006 17:58:18 GMT, Gunner wrote:
On 1 May 2006 16:59:41 GMT, Dave Hinz wrote: On Sat, 29 Apr 2006 19:08:52 GMT, Gunner wrote: Looking to make some lead screw nuts from alum or silicon bronze . Need 7/8-5 acme tap. I think I have one, will check tonight. Gunsmithing thread, right? Blink ..I dont think Ive ever seen a breech on a small arm in that long an acme lead. Dunno, but the tooling I've inherited includes many oddball things, most of which are gunsmithing related. Many of which I am yet to figure out what they're for. But please check indeed. If you don't see email to your lightspeed account tonight, please remind me. My memory has been like, um, one of those things with all the holes in it, lately. |
#10
Posted to rec.crafts.metalworking
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WTB-Rent 7/8-5 Acme tap
Sure it is 7/8-5 and not 7/8-6 ? Selection guide shows 6 not 5 for that size.
Naturally specials were always in Guns and machines. Martin Martin Eastburn @ home at Lions' Lair with our computer lionslair at consolidated dot net NRA LOH & Endowment Member NRA Second Amendment Task Force Charter Founder IHMSA and NRA Metallic Silhouette maker & member Gunner wrote: On 1 May 2006 16:59:41 GMT, Dave Hinz wrote: On Sat, 29 Apr 2006 19:08:52 GMT, Gunner wrote: Looking to make some lead screw nuts from alum or silicon bronze . Need 7/8-5 acme tap. I think I have one, will check tonight. Gunsmithing thread, right? Blink ..I dont think Ive ever seen a breech on a small arm in that long an acme lead. But please check indeed. Gunner "I think this is because of your belief in biological Marxism. As a genetic communist you feel that noticing behavioural patterns relating to race would cause a conflict with your belief in biological Marxism." Big Pete, famous Usenet Racist ----== Posted via Newsfeeds.Com - Unlimited-Unrestricted-Secure Usenet News==---- http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+ Newsgroups ----= East and West-Coast Server Farms - Total Privacy via Encryption =---- |
#11
Posted to rec.crafts.metalworking
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WTB-Rent 7/8-5 Acme tap
Martin H. Eastburn wrote: Sure it is 7/8-5 and not 7/8-6 ? Selection guide shows 6 not 5 for that size. Naturally specials were always in Guns and machines. Martin Martin Eastburn Remember, he was talking lead screw. When it's a lead screw, or particularly a feed screw, you're much more likely to see 4 or 5 or 8 or 10 - something that will let the dial markings come out even without any gearing. I'd hate to work with a dial that went to 166-2/3. Gunner - I'd be interested to know what you come up with. I've got an old Heald horizontal mill with a badly worn X feed nut. It's a 7/8 x 5. John Martin |
#12
Posted to rec.crafts.metalworking
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WTB-Rent 7/8-5 Acme tap
On Mon, 01 May 2006 20:50:15 -0500, "Martin H. Eastburn"
wrote: Sure it is 7/8-5 and not 7/8-6 ? Selection guide shows 6 not 5 for that size. 7/8-5 is .200 per revolution is it not? Gunner Naturally specials were always in Guns and machines. Martin Martin Eastburn @ home at Lions' Lair with our computer lionslair at consolidated dot net NRA LOH & Endowment Member NRA Second Amendment Task Force Charter Founder IHMSA and NRA Metallic Silhouette maker & member Gunner wrote: On 1 May 2006 16:59:41 GMT, Dave Hinz wrote: On Sat, 29 Apr 2006 19:08:52 GMT, Gunner wrote: Looking to make some lead screw nuts from alum or silicon bronze . Need 7/8-5 acme tap. I think I have one, will check tonight. Gunsmithing thread, right? Blink ..I dont think Ive ever seen a breech on a small arm in that long an acme lead. But please check indeed. Gunner "I think this is because of your belief in biological Marxism. As a genetic communist you feel that noticing behavioural patterns relating to race would cause a conflict with your belief in biological Marxism." Big Pete, famous Usenet Racist ----== Posted via Newsfeeds.Com - Unlimited-Unrestricted-Secure Usenet News==---- http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+ Newsgroups ----= East and West-Coast Server Farms - Total Privacy via Encryption =---- "I think this is because of your belief in biological Marxism. As a genetic communist you feel that noticing behavioural patterns relating to race would cause a conflict with your belief in biological Marxism." Big Pete, famous Usenet Racist |
#13
Posted to rec.crafts.metalworking
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WTB-Rent 7/8-5 Acme tap
On 1 May 2006 21:37:07 -0700, "John Martin"
wrote: Martin H. Eastburn wrote: Sure it is 7/8-5 and not 7/8-6 ? Selection guide shows 6 not 5 for that size. Naturally specials were always in Guns and machines. Martin Martin Eastburn Remember, he was talking lead screw. When it's a lead screw, or particularly a feed screw, you're much more likely to see 4 or 5 or 8 or 10 - something that will let the dial markings come out even without any gearing. I'd hate to work with a dial that went to 166-2/3. Gunner - I'd be interested to know what you come up with. I've got an old Heald horizontal mill with a badly worn X feed nut. It's a 7/8 x 5. John Martin Email me your snail mail addy and when I get some made up, Ill send you a threaded blank, for free. Give me some specs to work from..OD etc. Im still trying to figure out the best material to use..bronze, Aluminum Bronze, Silicone Bronze etc. Any suggestions? Gunner "I think this is because of your belief in biological Marxism. As a genetic communist you feel that noticing behavioural patterns relating to race would cause a conflict with your belief in biological Marxism." Big Pete, famous Usenet Racist |
#14
Posted to rec.crafts.metalworking
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WTB-Rent 7/8-5 Acme tap
On Tue, 02 May 2006 09:12:56 GMT, Gunner wrote:
On Mon, 01 May 2006 20:50:15 -0500, "Martin H. Eastburn" wrote: Sure it is 7/8-5 and not 7/8-6 ? Selection guide shows 6 not 5 for that size. 7/8-5 is .200 per revolution is it not? Unless something has changed, yes. Checked the tap I've got, it's not what you need. Close but wrong. You know how that whole mental image memory thing works... |
#15
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WTB-Rent 7/8-5 Acme tap
Not arguing with the turns ratio - just what is sold as standard.
The -5 is standard for 1". Naturally machine makers do as they wish or have to. Martin Martin Eastburn @ home at Lions' Lair with our computer lionslair at consolidated dot net NRA LOH & Endowment Member NRA Second Amendment Task Force Charter Founder IHMSA and NRA Metallic Silhouette maker & member Gunner wrote: On Mon, 01 May 2006 20:50:15 -0500, "Martin H. Eastburn" wrote: Sure it is 7/8-5 and not 7/8-6 ? Selection guide shows 6 not 5 for that size. 7/8-5 is .200 per revolution is it not? Gunner Naturally specials were always in Guns and machines. Martin Martin Eastburn @ home at Lions' Lair with our computer lionslair at consolidated dot net NRA LOH & Endowment Member NRA Second Amendment Task Force Charter Founder IHMSA and NRA Metallic Silhouette maker & member Gunner wrote: On 1 May 2006 16:59:41 GMT, Dave Hinz wrote: On Sat, 29 Apr 2006 19:08:52 GMT, Gunner wrote: Looking to make some lead screw nuts from alum or silicon bronze . Need 7/8-5 acme tap. I think I have one, will check tonight. Gunsmithing thread, right? Blink ..I dont think Ive ever seen a breech on a small arm in that long an acme lead. But please check indeed. Gunner "I think this is because of your belief in biological Marxism. As a genetic communist you feel that noticing behavioural patterns relating to race would cause a conflict with your belief in biological Marxism." Big Pete, famous Usenet Racist ----== Posted via Newsfeeds.Com - Unlimited-Unrestricted-Secure Usenet News==---- http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+ Newsgroups ----= East and West-Coast Server Farms - Total Privacy via Encryption =---- "I think this is because of your belief in biological Marxism. As a genetic communist you feel that noticing behavioural patterns relating to race would cause a conflict with your belief in biological Marxism." Big Pete, famous Usenet Racist ----== Posted via Newsfeeds.Com - Unlimited-Unrestricted-Secure Usenet News==---- http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+ Newsgroups ----= East and West-Coast Server Farms - Total Privacy via Encryption =---- |
#16
Posted to rec.crafts.metalworking
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WTB-Rent 7/8-5 Acme tap
Gunner wrote: On 1 May 2006 21:37:07 -0700, "John Martin" wrote: Gunner - I'd be interested to know what you come up with. I've got an old Heald horizontal mill with a badly worn X feed nut. It's a 7/8 x 5. John Martin Email me your snail mail addy and when I get some made up, Ill send you a threaded blank, for free. Give me some specs to work from..OD etc. Im still trying to figure out the best material to use..bronze, Aluminum Bronze, Silicone Bronze etc. Any suggestions? Gunner Thanks, Gunner. The current nut is one of those that's shaped like a pillow block - flat base with a hump. I was planning to make one from a rectangular bar. My guess is that you'd prefer to work with a simple round bar - which I had thought about doing, soldering or pressing the completed nut into a base piece bored for it. I'll have to pull the table off to get some dimensions, and I'll email you with them. Haven't seen anyone yet make any specific material recommendations. I don't know much about the bronzes. The aluminum bronzes seem to be for high strength and high impact uses, possibly high temp as well, where corrosion is a problem. Not sure about the silicon bronzes, but they seem to be somewhat the same. None of those are very machinable. For bearings, which seem to be a closer usage to feed screw nuts, it looks like phosphor bronze, plain bronze or gunmetal are the choices, with lead added for machinability. Low lead that is - 1 to 3%. There are also some high lead bronzes with 20% or more lead, but those are a different animal. Hope this helps. John Martin |
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