|
Title: |
1872 Article-Union Stone Co., Lathe Center Grinder |
|
Source: |
Scientific American, V 27 #23, 07 Dec 1872, pg. 354 |
|
Insert Date: |
3/13/2013 12:47:47 PM |
LATHE CENTER GRINDER
It is a common practice to leave the revolving or “live ” centers of turning lathes soft, in which? condition they arc exceedingly liable to bend or indent and, by producing imperfect work, cause serious defects in the turned portions of machinery. The device herewith illustrated is designed to “grind the lathe centers after they are hardened,-by means of it Union emery wheel placed-in an ingenious appliance readily affixed to the lathe. The cut shows the invention in position, A being the grinding wheel, which it will be seen can be placed in the tool post and as easily adjusted to its work as an ordinary turning tool. It is guided by the handle shown, and is actuated by the belt passing over the idlers and receiving motion from the cone pulley.
The simplicity of this device, its ready adjustability, and the facility with which it may be applied to engine lathes of all the various sizes and styles, will render it a useful and convenient addition to every workshop. An operative of ordinary skill can with its aid, it is claimed, true a pair of centers after they have been shaped and hardened in from two to four minutes and so perfectly that not the slightest variation can be detected. For further particulars address the Union Stone Company, No. 93 Liberty street, New York city, and 16 Exchange street, Boston, Mass. |
|
1872 Union Stone Co., Lathe Center Grinder
|
|