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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
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Building a heat teatment oven
Im interested in building a heat treatment oven for Aluminum. Can
anybody give me some insight? |
#2
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What do you want to do? Solution and age? Anneal? What grade(s) of
aluminum. What sized parts? "Davey O" wrote in message oups.com... Im interested in building a heat treatment oven for Aluminum. Can anybody give me some insight? |
#3
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Mark wrote: What do you want to do? Solution and age? Anneal? What grade(s) of aluminum. What sized parts? "Davey O" wrote in message oups.com... Im interested in building a heat treatment oven for Aluminum. Can anybody give me some insight? thank you for responding. I would like to straiten Al "shafts" used in underwater spear fishing. The impact with the fish often causes the shaft to bend. I beleive the avenue I wish to follow is annealing. As far as grades I can not say because they vary. I have always wanted to build one of these; Maybe designed to accomodate other types of metals as well. Any suggestions or concerns? thank you. -Davey |
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On 3 Apr 2005 10:43:19 -0700, "Davey O"
wrote: === ===Mark wrote: === What do you want to do? Solution and age? Anneal? What grade(s) of === === aluminum. What sized parts? === === === "Davey O" wrote in message === oups.com... === Im interested in building a heat treatment oven for Aluminum. Can === anybody give me some insight? === === ===thank you for responding. I would like to straiten Al "shafts" used in ===underwater spear fishing. The impact with the fish often causes the ===shaft to bend. I beleive the avenue I wish to follow is annealing. As ===far as grades I can not say because they vary. I have always wanted to ===build one of these; Maybe designed to accomodate other types of metals ===as well. Any suggestions or concerns? thank you. -Davey Aluminum shafts for spear guns....never seen em. All I have ever seen were some el cheapo galvanized steel and the better ones were always stainless......I seriously doubt the impact of a spear hitting the fish is the problem if your bending spear shafts. Your tip is what is doing it. Are you using a fixed in place on the shaft tip or a slip tip. When you use a fix tip, and do not make a clean kill and work your way to the fish and grab the shaft, thats when it gets bent. A slip tip will penetrate through, and still be connected with a steel cable to the shaft forming a flexible portion, so bending of the shaft is not possible. I have speared some Greater Amerjacks in the 60 to 80 pound class with slip tips and a 5/16" shaft and never bent one as long as I used a slip tip. Before that I used to bend up a heap of shafts on every dive, when I used fixed tips. ============================================== Put some color in your cheeks...garden naked! |
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Thank you for your reply; your information is quite helpful. I am not a
spear fisherman. The man who asked me to straiten his and other mens shafts is however. Im a welder. lol All I im actually interested in at this point is the correct information to straiten them out, For whatever reason they have been bent, they are bent and i would like to build an oven. I certainly am going to pass that info on to them. Do you have any advise for this fun project ahead of me? I would also like to use the oven for Ferrous materials as well. How feesable is that? |
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Davey O wrote:
Mark wrote: What do you want to do? Solution and age? Anneal? What grade(s) of aluminum. What sized parts? "Davey O" wrote in message groups.com... Im interested in building a heat treatment oven for Aluminum. Can anybody give me some insight? thank you for responding. I would like to straiten Al "shafts" used in underwater spear fishing. The impact with the fish often causes the shaft to bend. I beleive the avenue I wish to follow is annealing. As far as grades I can not say because they vary. I have always wanted to build one of these; Maybe designed to accomodate other types of metals as well. Any suggestions or concerns? thank you. -Davey Would the equipment they use to re straighten arrows work ? Pretty common for archery , if so you might ask at a specialty store locally or search on line . Luck Ken Cutt |
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Thanks Ken! That seems a great idea to follow up on. I will do that.
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On Sun, 03 Apr 2005 19:50:28 -0700, Ken Cutt
wrote: thank you for responding. I would like to straiten Al "shafts" used in underwater spear fishing. The impact with the fish often causes the shaft to bend. I beleive the avenue I wish to follow is annealing. As far as grades I can not say because they vary. I have always wanted to build one of these; Maybe designed to accomodate other types of metals as well. Any suggestions or concerns? thank you. -Davey Would the equipment they use to re straighten arrows work ? Pretty common for archery , if so you might ask at a specialty store locally or search on line . Luck Ken Cutt An arrow straightener is nothing more than two v blocks, a lever in the center to apply force, and a dial indicator. You can make a decent one in a couple hours start to finish. Gunner Rule #35 "That which does not kill you, has made a huge tactical error" |
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I missed the staff meeting but the minutes show Gunner
wrote back on Mon, 04 Apr 2005 06:37:04 GMT in rec.crafts.metalworking : On Sun, 03 Apr 2005 19:50:28 -0700, Ken Cutt wrote: thank you for responding. I would like to straiten Al "shafts" used in underwater spear fishing. The impact with the fish often causes the shaft to bend. I beleive the avenue I wish to follow is annealing. As far as grades I can not say because they vary. I have always wanted to build one of these; Maybe designed to accomodate other types of metals as well. Any suggestions or concerns? thank you. -Davey Would the equipment they use to re straighten arrows work ? Pretty common for archery , if so you might ask at a specialty store locally or search on line . Luck Ken Cutt An arrow straightener is nothing more than two v blocks, a lever in the center to apply force, and a dial indicator. You can make a decent one in a couple hours start to finish. A Drill Collar straightener is the same thing, only on a larger scale. (Drill collars - 31 feet of SS, 4 to 8 inches in diameter, used by drilling outfits for something. I just made 'em.) tschus pyotr -- pyotr filipivich. as an explaination for the decline in the US's tech edge, James Niccol wrote "It used to be that the USA was pretty good at producing stuff teenaged boys could lose a finger or two playing with." |
#10
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"Davey O" wrote in message oups.com... Im interested in building a heat treatment oven for Aluminum. Can anybody give me some insight? Have you googled old posts first? Been discussed before. http://tinyurl.com/67pnz Lane |
#11
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thanks Lane. I have not googled ol posts but I will. Im new this but I
hope I can navigate though and find it. Thank you so much. God Bless You and yours. Davey O |
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