Photo Index - Oliver Machinery Co. - Varible Speed Machine #51B

Machinery Photo Index

Manufactured/Badged by:
Oliver Machinery Co.
Grand Rapids, MI

Machine Specifications
Machine Class:	Wood Working Machinery
Machine Type:	Lathe, Wood
Machine Size:	84 inch bed
Submitted By:	Brian Leary

Machine Specifications
Description/Model:	Varible Speed Machine #51B
Date of Manufacturer:	axp 1932
Serial Number:	34272 (View SN Registry Entry)
Last Updated	11/26/2009 7:14:55 PM

Comments:

I got the machine at a school auction. The motor would not run. When I got it home and took it apart the stator windings were bad and had to be replaced. The ball bearings were worn. This is the only motor that I have seen of this type. It has a shaft that is driven off the motor shaft.That in turn runs a ball governor that allows the contacts to close as a load is being put on the motor as it slows. The governor will maintain the RPM within +or- 10. I had to rewind the stator and the motor is a two pole device. Max speed is 3580 RPM unloaded. It will maintain a steady speed of about 100 RPM on the low end. I have included pictures of the variable speed device. I have not painted it. It looks about the way I purchased it. I thought the technology for the vintage was very amazing.

Photo 1:

Comments: Name Plate on the lathe
Source:

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Photo 2:

Comments: Motor Name Plate
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Photo 3:

Comments: Ball Govenor in the motor
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Photo 4:

Comments: The motor with the cover on
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Photo 5:

Comments: 84 inch bed
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Photo 6:

Comments: Over view
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