# Reading working drawings. Arithmetic. Measuring instruments. Lathe work

International Textbook Company, 1901 - Boring

### Contents

 READING WORKING DRAWINGS 1 Sectional Views 17 Sections and Section Lining 28 Screw Threads 39 Dimensions 45 Reading Drawings 51 ARITHMETIC 69 MEASURING INSTRUMENTS 21
 6 54 Cutting Speed 1 Computations Relating to Cutting Speed 9 Methods of Driving 21 Sliding Fits 33 Arbors or Mandrels 40 Turret Lathe 1 Standard Threads 13

 Instruments for Angular Measurements 34 Gauges for Linear Dimensions 40 LATHE WORK QUESTIONS AND EXAMPLESContinued 1 3 47 Theory of Cutting Tools 2 3 16 4 24 3 25 Forms of Cutting Tools 33 Tool Grinders 49
 Monitor Lathe 22 Automatic Screw Machines 31 Hand or Speed Lathes 41 Use of Steady Rest 47 Rotating Tool 55 Arithmetic Parts 1 2 and 3 3 Decimals 5 Lathe Work Part 4 numerical calculations 6 6 Cutting Threads in Lathe xiv Copyright

### Popular passages

Page 6 - Operations with Fractions A) To change a mixed number to an improper fraction, simply multiply the whole number by the denominator of the fraction and add the numerator.
Page 77 - The number thus added to itself, or the number to be multiplied, is called the multiplicand. The number which shows how many times the multiplicand is to be taken, or the number by which we multiply, is called the multiplier.
Page 112 - Subtract the number of decimal places in the divisor from t he number of decimal places in the dividend, and point off as many decimal places in the quotient as there are units in the remainder thus found.
Page 116 - RULE. — Annex ciphers to the numerator and divide by the denominator. Point off as many decimal places in the quotient as there are ciphers annexed.
Page 12 - A fraction is one or more of the equal parts of a unit...
Page 82 - The number to be divided, is called the dividend. The number by which we divide, is called the divisor.
Page 84 - Rule.— I. Write the divisor at the left of the dividend, with a line between them. II.
Page 84 - If any partial dividend will not contain the divisor, write a cipher in the quotient, annex the next figure of the dividend, and proceed as before.
Page 118 - Under the figures of the decimal, place 1 wit lt as many ciphers at its right as there are decimal places in the decimal, and reduce the resulting fraction to its lowest terms by dividing both numerator and denominator by the same number.
Page 70 - Addition is the process of finding the sum of two or more numbers.