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Mar 29th, 2024
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Joined: Oct 2004
Posts: 1,064
Sidelock
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OP
Sidelock
Joined: Oct 2004
Posts: 1,064 |
Maybe I'm just old and stupid but I still cannot figure out how they machined hinge pins integral with the frames, Webly Scott 700's, Westley Richards, SKB, etc CHOPPER
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Joined: Dec 2001
Posts: 6,993 Likes: 402
Sidelock
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Sidelock
Joined: Dec 2001
Posts: 6,993 Likes: 402 |
the action was turned on a rotary table type setup against a cutter similar to a key way cutter.
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Joined: Feb 2004
Posts: 13,879 Likes: 15
Sidelock
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Sidelock
Joined: Feb 2004
Posts: 13,879 Likes: 15 |
Can someone post a pic? I haven't seen any of the above.
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Joined: Dec 2001
Posts: 12,743
Sidelock
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Sidelock
Joined: Dec 2001
Posts: 12,743 |
the action was turned on a rotary table type setup against a cutter similar to a key way cutter. How did you drive that cutter? If it had a shank on it, it would not have gone past the action flats, betwen the bars to get far enough around to complete the cut. Me'thinks we're going to have to come up with another method.
Miller/TN
I Didn't Say Everything I Said, Yogi Berra
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Joined: Dec 2001
Posts: 6,993 Likes: 402
Sidelock
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Sidelock
Joined: Dec 2001
Posts: 6,993 Likes: 402 |
A broach can be used to finish the cut, like Mr, Gera is doing on the male section of "the circle" on this action.... http://forums.nitroexpress.com/showflat....e=0&fpart=2But in my shop I would use a keyway cutter to get most of it out. By the way, I hate fixed pins.
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Joined: Jan 2002
Posts: 5,954 Likes: 12
Sidelock
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Sidelock
Joined: Jan 2002
Posts: 5,954 Likes: 12 |
Isn't "fixed pin" a bit of a misnomer? Should it not be more accurately named a "pinless hinge" or a "frame hinge?"
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Joined: Oct 2004
Posts: 1,064
Sidelock
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OP
Sidelock
Joined: Oct 2004
Posts: 1,064 |
I'm with Chuck. Still a mystery to me. Chops
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Joined: Jul 2012
Posts: 4,463 Likes: 207
Sidelock
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Sidelock
Joined: Jul 2012
Posts: 4,463 Likes: 207 |
I don't believe it is a "pinless" frame, it is likely a "fixed" pin which is nonremovable using common tools( usually an interferance fit,pressed in). To be replaced,such pins have to be drilled out.Some O/U don't have pins,instead have hinge lugs. The Franz Jaeger Patent doubles have two lugs milled with a hollow cutter and covered with a plate. Maybe Raimey or Axel can come up with patent drawings.
Mike
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Joined: Feb 2002
Posts: 14,120 Likes: 198
Sidelock
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Sidelock
Joined: Feb 2002
Posts: 14,120 Likes: 198 |
In my opinion, it's an accident that has already happened, like grease joints in a car that can't be lubricated.
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Joined: Jan 2002
Posts: 11,377 Likes: 105
Sidelock
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Sidelock
Joined: Jan 2002
Posts: 11,377 Likes: 105 |
Are you talking grease zerks, eightbore? That's where we put the grease when I worked in a service station and cars still had them.
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