bigb56
Well-known member
Anyone have one of these? Got this and another Block Grinder on CL yesterday for $50. The lathe came with one tapered spindle and a bunch of wheels. The grinder has the light and it works, only part missing is the water tray
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Baldor Polishing Lathe
- Thread starter bigb56
- Start date
woody 73
Well-known member
Something I learned years ago from my Father about the tapered spindle; because he used to sell tools & watch parts one big seller to the watch trade and jewelry trades were those tapered spindles. Each jeweler (or a lot of them) would have a special type of box (something like a shadow box) and inside each open front end would be mounted a motor much like the one you have, or a smaller one and each would have a tapered spindle on each end. The box in effect would catch all the flying crud, (some boxes had a small vacuum).
Even back all those many years ago those small cotton buffs were not very cheap.
Even back all those many years ago those small cotton buffs were not very cheap.
marinusdees
Well-known member
That's a dental polishing lathe, valuable to someone who needs it. Each end should be a tapered shaft, and there are left and right tapered spiral threaded attachments designed to hold rag wheels, which can be changed rapidly, using a different one for each polishing medium. Normally two speed, 3500 rpm and 1750 rpm. I am a retired 35 year dentist who spent more than two hours! standing in front of one. Nowadays, I think they are valuable to dental labs processing dentures or orthodontic retainers. They don't really lend themselves to mounting conventional grinding wheels.
There is available a quick change chuck, which allows changing the bur or whatever is in it without stopping the motor, a real time-saver. Commonly called a Handler chuck for a mfr. but they are available by others mfrs.
The boxes described are hoods to keep the pumice or other media from being slung around.
There is available a quick change chuck, which allows changing the bur or whatever is in it without stopping the motor, a real time-saver. Commonly called a Handler chuck for a mfr. but they are available by others mfrs.
The boxes described are hoods to keep the pumice or other media from being slung around.
Last edited:
That's a dental polishing lathe, valuable to someone who needs it. Each end should be a tapered shaft, and there are left and right tapered spiral threaded attachments designed to hold rag wheels, which can be changed rapidly, using a different one for each polishing medium. Normally two speed, 3500 rpm and 1750 rpm. I am a retired 35 year dentist who spent more than two hours! standing in front of one. Nowadays, I think they are valuable to dental labs processing dentures or orthodontic retainers. They don't really lend themselves to mounting conventional grinding wheels.
There is available a quick change chuck, which allows changing the bur or whatever is in it without stopping the motor, a real time-saver. Commonly called a Handler chuck for a mfr. but they are available by others mfrs.
The boxes described are hoods to keep the pumice or other media from being slung around.
It was owned by a jeweler/watch maker, I bought it from his daughter. There is only one tapered spindle, the RH one. I found the Handler chucks for $40, the chuck you speak of is a Wells Super Chuck but they cost hundreds so I won't be getting that one. The Handler chuck will work for me with a 1/4" capacity. I will also order a stone arbor, probably the LH 1/4" one and mount a small, fine stone on the left side.