## Mathematics for Machinists |

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

### Popular passages

Page 2 - An improper fraction is one whose numerator is equal to, or...

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 147 - In any proportion, the product of the means is equal to the product of the extremes.

Page 80 - The formula states that the square of the hypotenuse of a right triangle is equal to the sum of the squares of the base and altitude.

Page 2 - To reduce a fraction to its lowest terms. A fraction is in its lowest terms, when the numerator and denominator are prime to each other.

Page 10 - If a man can do f of a piece of work in 8 days, how much can he do in 1 day 7 14.

Page 57 - An acute angle is less than a right angle. An obtuse angle is greater than a right angle.

Page 72 - Involution is the process of finding any power of a number. A Power of a number is the product obtained by taking the number, a certain number of times, as a factor. The factor, thus taken, is called the root, or the first power.

Page 80 - In a right triangle, the side opposite the right angle is called the hypotenuse and is the longest side.

Page 73 - In like manner it is readily seen that the square of any number consists of Twice as many figures as the root, or one less.