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Title: |
1919 Article-Janette Mfg. Co., Bench Grinder |
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Source: |
American Machinist 19 Apr 1919 pg 765 |
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Insert Date: |
10/17/2011 11:43:43 AM |
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The Janette Manufacturing Co., 617-625 West Jackson Boulevard, Chicago, Ill. And 149 Broadway, New York, is now marketing the electric grinding stand shown in the illustration, this being furnished in either bench or floor type as desired. The machines are identical except for the pedestal and can be furnished for either 110 or 220 volts, d.c., or for 30, 50 or 60 cycles, 110 or 220 volts, a.c. The d.c. motors are of the compound-wound type, of 3500 r.p.m. and ¼ hp. Electrical connection can be made to any lamp socket, an extension cord being furnished, and a switch being located in the base of the grinder. This is of the pushbutton type and can be seen in the base of the machine. The spindles are made from 90-point carbon steel, hardened and ground to size, and the bearings of hard drawn phosphorus bronze, SKF ball bearings being furnished at an extra charge. Lubrication is of the grease and wick-pattern type with an oil cup on the upper bearing, and the bearing arranged with the oil return holes leading back into the oil well. Wheel mountings are of standard dimensions, and the flange washers are machined all over in order to insure balance. The inner flanges are keyed to the spindle and can be removed if desired. The wheel guards protect the grinding wheels for two-thirds of their circumference. Adjustable grinding rests are furnished and held in position by means of a clamping bolt and a wing nut in a T-slot. They may be removed if desired. The water pot at the front of the machine is detachable. |
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1919 Janette Mfg. Co., Bench Grinder
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