TABLE OF CONTENTS THREADS AND THREADING Machinery's Handbook, 31st Edition
PIPE AND HOSE THREADS (Continued) 2101 Hose Coupling Screw Threads 2103 Screw Thread Lengths 2103 Fire Hose Connection 2104 Basic Dimensions 2105 Limits of Size OTHER THREADS 2106 Interference-Fit Threads 2107 Design and Application Data 2108 External and Internal Thread Dimensions 2109 Engagement Lengths 2110 Allowances and Tolerances for Coarse Thread Series 2111 Variations in Lead and Diameter 2112 Spark Plug Threads 2113 Lamp Base and Electrical Fixture Threads 2113 Lamp Base and Socket Shell Threads 2114 Electric Fixture Thread 2114 Instrument and Microscope Threads 2114 British Association Thread 2115 Instrument Makers’Screw Thread 2115 Microscope Objective Thread 2118 Lowenherz or Löwenherz Thread 2119 Swiss Screw Thread 2119 Historical and Miscellaneous Threads 2119 Aero-Thread 2120 Briggs Pipe Thread 2120 Casing Thread 2120 Cordeaux Thread 2120 Dardelet Thread 2120 “Drunken” Thread 2120 Echols Thread 2120 French Thread (SF) 2121 Harvey Grip Thread 2121 Lloyd & Lloyd Thread 2121 Lock-Nut Pipe Thread 2121 Philadelphia Carriage Bolt Thread 2121 SAE Standard Screw Thread 2121 Sellers Screw Thread 2121 Worm Threads
MEASURING SCREW THREADS 2122 Measuring Screw Threads 2122 Pitch and Lead of Screw Threads 2122 Thread Micrometers 2123 Ball-Point Micrometers 2123 Three-Wire Method 2124 Classes of Formulas 2124 Screw Thread Profiles 2124 Accuracy of Formulas 2125 Best Wire Sizes 2126 Measuring Wire Accuracy 2126 Measuring or Contact Pressure 2126 Three-Wire Formulas 2127 NIST General Formula 2127 Formulas for Pitch Diameters 2128 Effect of Small Thread Angle 2130 Dimensions Over Wires 2130 Buckingham Simplified Formula 2131 Measuring Whitworth Threads 2132 Buckingham Exact Formula 2133 Accuracy of Formulas 2134 Three-Wire Measurement of Acme and Stub Acme Thread Pitch Diameter 2134 Acme Screw Threads 2134 Checking Pitch Diameter 2134 Checking Thread Thickness 2135 Wire Sizes 2135 Testing Thread Angle 2136 Best Wire Diameters 2138 Measuring Taper Screw Threads by Three-Wire Method 2139 Three-Wire Method Applied to Buttress Threads 2140 Thread Gages 2140 Gaging Unified Screw Threads 2143 Thread Forms of Gages 2143 Building Up Worn Plug Gages 2143 Thread Gage Tolerances 2145 Tolerances for Cylindrical Gages 2147 Formulas for Limits TAPPING AND THREAD CUTTING
2148 Selection of Taps 2150 Tap Rake Angles 2150 Cutting Speed 2150 Tapping Specific Materials 2153 Other Tapping Lubricants
1938
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