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Offline dobber

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machining question
« on: June 20, 2007, 04:10:50 PM »
 i am in the process of building a golf ball scale mountain howitzer. i am ready to cut the taper on the outside of the barrel.  i have a taper cutting jig that that clamps onto the ways of my lathe but have absolutly no idea how to set it up any help would be really nice.

i am also planning to make my truninons then weld them on, how do i get the radius to the barrel correct with the taper?
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Offline jeeper1

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Re: machining question
« Reply #1 on: June 20, 2007, 04:37:48 PM »
Quote
i am also planning to make my trunnions then weld them on, how do i get the radius to the barrel correct with the taper?
The trunnions go into pockets milled into the barrel.
Can't help you with setting up a taper attachment.
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Offline GGaskill

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Re: machining question
« Reply #2 on: June 20, 2007, 06:59:18 PM »
i have a taper cutting jig that that clamps onto the ways of my lathe but have absolutly no idea how to set it up any help would be really nice.

What type of lathe is it?  Maybe post the question at Practical Machinist along with the type and model of lathe..
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