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How are doing with the work on the Tray Top? Bob

Simpler to wire than a Cincinnati Tray Top. Bob in Maine

Was given basket case (all parts there) and can not figure the install of bezel with the spring that holds it on.??? Bob

This explains better than I could. Still have my Fathers wood paddles and taulk pads from when he lead filled truck body panels. I hung pipes from the short and long ends to get in the ball park then less weight as I closed in on straight. With long heavy shafts its own weight works in your...

Was not concentric after welding - even though I did jig clamp it - .080 total run out. Used spot heat cool method ( with a little help hanging pipe over end) and got it down to .002 total with a little learned science. Lead screw was still ok but figured with new nut it deserved a clean area to...

Cut Lead screw flipped 180 - 1/4" pilot pin - 45 bevel - clamped on jigs - tack weld(more like root pass) - continuous weld.

Cincinnati Tray Top around 4 1/2 Lb. of Bronze. Think my next move is to swap the lead screw end to end.

Success :thumbup:- thanks all for help. When tinning the pieces with plumbing torch everything was hot so just went for it and clamped and finished.

Will try tinning - clamp and use toaster oven.

The system Myford (which is what I will copy) and others use is good if you have a lot of material to work with. Have bored away half the thickness from the original nuts (second picture) to give me some wall thickness for the new insert (spool). My concern is epoxy will not give me as rigid an...

Yes they will have a flange - should have explained that is what I meant by spool - like a spool of thread. Will also pin threw the flange to the original bronze casting - first picture. Would like to solder to give maximum strength - just not sure if soft flame will be enough and concerned...

Bored out threads from Cincinnati half nut and will install new Spool Insert. Was hopping for a way to solder in with 60/40 solder and then maybe 4 1/16 roll pins. Will not be a lot of material on nuts when done machining (1/8" ) so looking for max strength. Will oven solder work? Bob

The gear was shipped last Sat. - think USPS has lost - Maybe you can better luck with them. 9114901496451535853575

Set in jig rotated continuous weld - .005 finish. Luck. Bob

New Cincinnati puzzle - Input shaft to Change gear Box. Noticed gear had a wobble and found this. Cut on Lathe till it feel apart. Shaft is soft gear hard 3/4"shaft was thinking finish taper on both halves set in centers in a jig and Mig weld (do not have tig)? Would appreciate input on...

Updated my first post - looks like all the gears are 20 degree. Bob

Joe: Gear finished C93200 Bronze - best for hardened gear contact but will only last 24 years. Email a mailing address and will send on its way... Bob

Bobbin shape is very possible - was planning to leave the sleeve intact until set and then cut in half. If I bore out the old threads accurately (make a jig to hold or use the apron) to match the OD of the new sleeve was thinking this would align ok??? Bob

Thanks - Will be careful to check for clearance on insert - have ground HSS in past but eyes are not as young. - like the idea of factory ground insert. Was also thinking of using industrial epoxy to bond new sleeve to old block , not sure if this would be ok?? May try reversing lead screw idea...

1 1/8 " 8 Acme not common - no learning curve in writing a check.