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One of Us |
I've been quite poor at making a good one lately so I built this tool to broach the female side of things. It makes a quite precise cavity for the "peak" All one has to do then is match it with an endmill in the milling machine glue it together And flush sand it one could even get carried away with this tool.....he might find uses for it that are unconventional /////////////////////////////////////////////////////////////////////////// "Socialism is a philosophy of failure, the creed of ignorance, and the gospel of envy, its inherent virtue is the equal sharing of misery." Winston Churchill | ||
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One of Us |
Pretty schneaky ! You just cut the broach out in the mill out of O1 tool steel the same as you would cut the male part on the forend tip with an end mill and then drill/thread it, screw on a shaft and then harden it. You could even use a tool like that in a common drill press. Lock up the belts or spindle and clamp the stock into the vise and broach it in with the spindle. I seem to recall many a wasted hour back when I made wood stocks, cutting fool things like that with chisels and scrapers. Silly ole me! I take it you tightly clamp a close fitting piece of wood to the underside to keep it from splintering on the out cut? When I was a kid. I had the stick. I had the rock. And I had the mud puddle. I am as adept with them today, as I was back then. Lets see today's kids say that about their IPods, IPads and XBoxes in 45 years! Rod Henrickson | |||
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one of us |
Show off. Looks great As usual just my $.02 Paul K | |||
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One of Us |
actually I epoxy a piece to the underside and then sand it off. But for the forend, the underside is the bottom of the barrel channel and it's not necessary as it isn't visible at all. Yes, I used O-1 steel and hardened and drew it by acetylene torch. The actual broach is one piece made from 1" O-1 steel and a shank turned to 1/2" in the lathe. It's then milled with a 3/8 ball end mill with 7 degrees clearance on the bottom and inside the form to provide a clean cut. It's ground on a surface grinder after drawing. /////////////////////////////////////////////////////////////////////////// "Socialism is a philosophy of failure, the creed of ignorance, and the gospel of envy, its inherent virtue is the equal sharing of misery." Winston Churchill | |||
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One of Us |
Actually, I got a oxy-acetylene torch set for my birthday and heat treating this thing was on the list of things to do.....along with a long list of other worthless projects /////////////////////////////////////////////////////////////////////////// "Socialism is a philosophy of failure, the creed of ignorance, and the gospel of envy, its inherent virtue is the equal sharing of misery." Winston Churchill | |||
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One of Us |
Happy belated birthday Vapodog. Hope you had a good one. | |||
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One of Us |
Thank you. I learned something today. Very clever, very nice. I should go out right away and make the tool (while I remember) so I'll have it somewhere down the line when I start to do it with file and chisels. | |||
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One of Us |
If one must have a bad habit this is one of the better ones Making half round/half octagon barrels with vented ribs is among the worst....maybe /////////////////////////////////////////////////////////////////////////// "Socialism is a philosophy of failure, the creed of ignorance, and the gospel of envy, its inherent virtue is the equal sharing of misery." Winston Churchill | |||
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