开云体育

Dick, it is a simple "CNC" pulley , like this one for example CNC Pulley (

Nice work, Lionel Is the aluminum part a timing pulley? Dick

Hi My "DIY" : -- Lio, France - Unimat SL x 3

Hi The Forhman Tool , and a copy "DIY"? ;-) -- Lio, France - Unimat SL x 3

Thank's Roman -- Lio, France - Unimat SL x 3

Paul, I really appreciate your blog (i made several visits there), thank you for all these shares ! -- Lio, France - Unimat SL x 3

Thank's Pat for these details , i will check it all -- Lio, France - Unimat SL x 3

Just a heads up to those that open up their u90 motors. The only time I have had one pop a line circuit breaker was a short in one of the leads caused by rubbing against the rotor. I posted on the

I'm another who uses their machines (an SL and a U3) to make model railway stuff. Typically chimneys and parts for 009 (OO/4mm scale narrow gauge using 9mm gauge track), I have turned my own wheels.

Forgot to add, the screws are M4x25mm, according to DIN 963 (flat head, 90° countersunk, slotted). Roman

My 4-jaw chuck has a back plate with 4 holes, bolt pitch circle diameter is 26mm. My 3-jaw chuck has a back plate with 3 holes, bolt pitch circle diameter is 23mm. Screws are M4 Roman

Hello Lio: I use my drafts person's electric eraser to clean commutators. I use the gray eraser meant for removing ink. Notice the grind marks from dynamic balancing. A better quality motor. Carl.

Thank you very much to all ! -- Lio, France - Unimat SL x 3

-- Lio, France - Unimat SL x 3

Something missing ?

1 : Remember to mark the different parts to facilitate the reassembly : 2? : Since it's open : check the bearing : 3 : the hole where the small screw is placed which holds both the small red wire

Hi Pat: As a tool maker we used special center punches called Transfer Punches: https://www.harborfreight.com/search?q=transfer%20punch%20set Very handy, never hit them hard, just enough to leave a

I would like photos please. Regards, John Hutnick

Hi My U90 motor is currently open : if you want photos : ask ! -- Lio, France - Unimat SL x 3

So here is how I would do the finish and holes, thread the center with the proper relief. ?Thread it on the spindle, face it square and to fit the chuck recess. ? Put it in the recess then Using a