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What angle for making needle valves


what angle/degree does the lathe need to be set at for making a 60 degree taper on them. thanks

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Old 09-29-2009, 02:03 AM
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Ray Cardoza Ray Cardoza is offline
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Default What angle for making needle valves

what angle/degree does the lathe need to be set at for making a 60 degree taper on them. thanks
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Old 09-29-2009, 09:49 AM
gbritnell gbritnell is offline
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Default Re: What angle for making needle valves

The compound needs to be set at 30 degrees (half the angle) to get a 60 tip but that seems awful steep to me. What is it for?
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Old 09-29-2009, 10:25 AM
Richard Miller Richard Miller is online now
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Default Re: What angle for making needle valves

Ray, Since the point angle is included, the coumpound would be set over 30 degrees from the centerline of the spindle.
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Old 09-30-2009, 01:55 AM
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Default Re: What angle for making needle valves

thanks guys. im thinking the angle will be 60 but i havent measured yet and am taking a guess. i am going to try making the needle valves for my 3hp m. or at least practice making them
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