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In Reply to: RE: Shaft Extensions / Panel Bearings posted by Triode_Kingdom on July 10, 2017 at 19:23:55
Perhaps an additional support at approx. the mid-point of the long shaft, in addition to the panel bearing will solve the problem. Check this at McMaster-Carr out. I'm thinking that part # 5912K1 will do nicely. Aluminum standoffs can be used to get the pillow block's location just right.
Eli D.
Follow Ups:
Thanks for the suggestion, but I don't see how that could be relied on to reduce end play at the front panel. A live bearing doesn't necessarily improve the fit between the shaft and hole, and any free play at the pillow block would be angularly magnified several inches away at the front panel. Do you know of a particular bearing/bushing intended for panel mounting that might exhibit a tighter fit than the usual offerings?
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Buy Chinese. Bury freedom.
it is a lot tougher than Delrin. It threads well too. I use it for firing valves in 3650 psi air rifles...:)
cheers,
Douglas
Friend, I would not hurt thee for the world...but thou art standing where I am about to shoot.
PEEK is tough stuff. The flange mount for the ball bearing I mentioned is made of PEEK.
Eli D.
McMaster-Carr part # 4575N33 is a 2 bolt, flange mounted, double shielded, ball bearing. Mount that item on the inside of the front panel.
Eli D.
That looks interesting, I hadn't thought about using a press-fit bearing. That would definitely hold the shaft in place. I wish the specs listed end play, but it's probably pretty good on a greased and sealed bearing. I'll order one of those as soon as I make up a larger order (shipping cost and all that). Thanks!
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Buy Chinese. Bury freedom.
First make sure your not using a 6mm shaft 0.240" in a 0.250 bearing mount. If that looks good maybe use some high viscosity grease or silicone damping fluid on the shaft.
BillWojo
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