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Machining Gib Key Ways

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richarddurgee
Posted on Sunday, June 27, 2004 - 09:56 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Machining question, when the old engs were made with Gib key ways the shaft was cut straight, how was the flywheel tapered keyway cut, with a tapered broach or was the guide bushing tapered, or some other way ??
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J.B. Castagnos
Posted on Monday, June 28, 2004 - 01:41 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

It could be done on a shaper with the flywheel held at the correct angle, some of the larger manufactureres may have had key seaters, a table with a reciprocating cutter, the table may have been able to tilt or the flywheel could have been on a wedge shim.
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rbprice
Posted on Monday, June 28, 2004 - 03:47 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

JB is right Richard. When I ran a gear shop, we had a reciprocating key cutter with a tilting table. Set-up took some care but the actual cutting time was short.

Cheers

Bob
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bob wood
Visitor
Posted on Wednesday, November 03, 2004 - 06:37 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

I seved apperentship in ship repair as fitter and turner we cut tapered keway in gear , prop, coupling by sitting gear ect on tapered strips 1/8taper per foot on table of slotter or bolted up against angle plate in shaper .we had alarge shaper on whitch the table unbolted from the apron witch was t slotted in frontof shaper was a pit into ablade of prop was put the prop was bolted to apron the ram going through prop bore also using tapered strips to get the 1/8 per foot taper

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