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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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Replacing Safe Handle?
On Fri, 28 Jan 2011 13:49:14 GMT
Doug White wrote: snip To save folks speculation, I've posted a couple of snapshots that show the busted handle and what the remaining good one looks like. http://users.rcn.com/gwhite/MIT_Pist...e%20Handle.jpg http://users.rcn.com/gwhite/MIT_Pist...%20handles.jpg Might be missing something... but I would try fixing the broken handle with a piece of bar stock, maybe a 1/4 to 3/8 inch thick, 6-8 inches long? See my doctored image: http://www.iserv.net/~lfisk/SafeHandleFix.png Drill three holes through the bar (red spots) and tap them for something like 1/4x20. Find some short cap bolts to fit the thread you use. Now hold the bar in place over the broken handle stub and mark the three spots. Drill the holes. Put the bolts in from the back side and then cut them off flush with the bar. By using cap bolts you should reduce the risk of someone gouging their hand if they bump into them. The only work you need to do at the safes location is drill some holes and bolt the repair in place. Shrug... -- Leon Fisk Grand Rapids MI/Zone 5b Remove no.spam for email |
#2
Posted to rec.crafts.metalworking
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Replacing Safe Handle?
Leon Fisk wrote in news:ii4brd$qov$1
@news.eternal-september.org: On Fri, 28 Jan 2011 13:49:14 GMT Doug White wrote: snip To save folks speculation, I've posted a couple of snapshots that show the busted handle and what the remaining good one looks like. http://users.rcn.com/gwhite/MIT_Pist...e%20Handle.jpg http://users.rcn.com/gwhite/MIT_Pist...eilink%20Safe% 20handles.jpg Might be missing something... but I would try fixing the broken handle with a piece of bar stock, maybe a 1/4 to 3/8 inch thick, 6-8 inches long? See my doctored image: http://www.iserv.net/~lfisk/SafeHandleFix.png Drill three holes through the bar (red spots) and tap them for something like 1/4x20. Find some short cap bolts to fit the thread you use. Now hold the bar in place over the broken handle stub and mark the three spots. Drill the holes. Put the bolts in from the back side and then cut them off flush with the bar. By using cap bolts you should reduce the risk of someone gouging their hand if they bump into them. The only work you need to do at the safes location is drill some holes and bolt the repair in place. Shrug... That was "Plan A". I will probably still go that route. I opened the safe up last night, and the existing handle is secured by peening over the end of the threaded shaft to prevent the nut from coming off. Even with an exact replacement handle, swapping it out is do-able, but isn't as easy as I had hoped. Even if I could find a surplus handle, it will presumably already be damaged to one degree or another by this process. Given that the handle material is brittle, I'd rather not weaken it by drilling several holes in it, and then apply force to those holes. My plan is to mill a close fitting pocket in a bar that will apply the opening & closing force to the sides of the lever. One bolt & some epoxy should hold it on OK. Doug White |
#3
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Replacing Safe Handle?
On Sun, 30 Jan 2011 19:15:46 GMT
Doug White wrote: snip Given that the handle material is brittle, I'd rather not weaken it by drilling several holes in it, and then apply force to those holes. My plan is to mill a close fitting pocket in a bar that will apply the opening & closing force to the sides of the lever. One bolt & some epoxy should hold it on OK. Doug White Sounds like a good plan to me. Wasn't sure if you had access to a mill, figured I would keep it really simple. Most of us here have a drill -- Leon Fisk Grand Rapids MI/Zone 5b Remove no.spam for email |
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