Practical mechanical drawing and machine design self taught .. (1907)
Westinghouse, Charles. [from old catalog] · Chicago, F. J. Drake & co. · leaf 85
When, how-ever, the shaft rotates, the needle begins to vi-brate, and the oil runs down slowly on to the jour-nal, oil is therefore only used when the shaft isrunning. Example 7. Pillow Block for a Four-inch Shaft. Draw the views shown of this block in Fig. 162.Scale 6 inches to 1 foot. Proportions… … bO .a pi M O to bn makers vary considerably, but the following rulesrepresent average practice: Diameter of journal . . . =d Length of journal . . . . =1 Height to centre .... =1.05<?+.5 Length of base .... =S.6d+5 Width of base . . . . =.8l block . . . . =.7l Thickness of base . . . . = .Zd+ .3…
Mechanical drawing · Machine design
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