## Mathematics for Machinists |

### From inside the book

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**every point of which is equally distant from a point within called**the center . A Diameter D B Radius Circumference FIG . 37 . An arc is any portion of the circumference , such as DB . The radius of the circle is any line drawn from 40 ...### Other editions - View all

### Common terms and phrases

actual cutting speed apothem belt bevel Calculate cast iron cents change gears circular pitch circumference decimal places diam diametral pitch distance dividing head divisions double depth draw drill driven effort engine equal Example feed figures Find the area Find the cutting foot fulcrum gear blank gear progression hexagon holes horse-power hypotenuse inclined plane index crank index plate lathe lathe center lead screw length lever mark measuring mechanical advantage micrometer milling cutter milling machine mixed numbers movable pulley moves Multiply number of revolutions number of teeth perpendicular piece Pratt Institute protractor radius ratio revolutions per minute right angle right triangle right-angled triangle root diameter shaft shaper sharp shown in Fig side Solution specific gravity spindle spiral square root square thread Standard Thread steel stud taper thousandths threads per inch tool try square turn U. S. Std weight worm worm gear

### Popular passages

Page 40 - A circle is a plane figure bounded by a curved line, called the circumference, every point of which is equally distant from a point within called the center.

Page 2 - An improper fraction is one whose numerator is equal to, or greater than its denominator ; as, $, -f . A mixed number is a whole number and a fraction expressed together; as, 4f, 25-ht.