Turning and boring tapers . moving tail stock. When tapers are desig-nated in degrees, the angle is usually obtained by thecompound rest, but for the convenience of those whov/ish to compare the two, the following table has beenprepared: Equivalent Tapers of Degrees in Inches. Total number of degrees Total taper per inch in Total taper per foot in included in angle. inches. inches. 1 .01746 .20952 2 .03490 .41880 3 .05236 .62832 4 .07984 .95808 5 .08732 7% .13108 10 .17498 15 .28330 20 .35266 4 23192 25 .44338 30 .53590 35 .63060 40 .7279
Turning and boring tapers . moving tail stock. When tapers are desig-nated in degrees, the angle is usually obtained by thecompound rest, but for the convenience of those whov/ish to compare the two, the following table has beenprepared: Equivalent Tapers of Degrees in Inches. Total number of degrees Total taper per inch in Total taper per foot in included in angle. inches. inches. 1 .01746 .20952 2 .03490 .41880 3 .05236 .62832 4 .07984 .95808 5 .08732 7% .13108 10 .17498 15 .28330 20 .35266 4 23192 25 .44338 30 .53590 35 .63060 40 .72794 45 .82842 50 .93262 55 60 Tapers with Compound Rest. The compound rest is an attachment between thelathe carriage and the tool post, capable of being swungaround to any angle and having an independent feedscrew so that the tool can be fed by this independentscrew at the angle desired. The base of the compoundrest is indexed or divided into degrees so as to be con-. TO. ** Squaring off withcompound rest. Derry Collard Co
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Keywords: ., bookcentury1900, bookdecade1900, bookidturningborin, bookyear1902
