tailieunhanh - Mechanical Engineer´s Handbook P49

CHAPTER 3 5 MECHANICAL FASTENERS Murray J. Roblin Chemical and Materials Engineering Department California State Polytechnic University Pomona, California INTRODUCTION BOLTED AND RIVETED JOINT TYPES EFFICIENCY STRENGTH OF A SIMPLE LAP JOINT (BEARING-TYPE CONNECTION) THEORETICAL BEHAVIOR OF THE JOINT UNDER TENSILE LOADS 1 4 1 6 Critical External 1 3 1 7 Load 1148 Very Large 1 3 1 8 External Loads 1 4 1 9 EVALUATION OF SLIP CHARACTERISTICS 1 5 1 3 INSTALLATION OF HIGHSTRENGTH 1 3 1 8 BOLTS 1 5 1 3 TORQUE AND TURN TOGETHER 1 5. | CHAPTER 35 MECHANICAL FASTENERS Murray J. Roblin Chemical and Materials Engineering Department California State Polytechnic University Pomona California INTRODUCTION 1136 THEORETICAL BEHAVIOR OF THE JOINT UNDER BOLTED AND RIVETED JOINT TYPES EFFICIENCY 1137 1138 TENSILE LOADS Critical External Load Very Large External Loads STRENGTH OF A SIMPLE LAP JOINT BEARING-TYPE CONNECTION SAMPLE PROBLEM OF A COMPLEX BUTT JOINT BEARINGTYPE CONNECTION 1138 1139 EVALUATION OF SLIP CHARACTERISTICS INSTALLATION OF HIGH-STRENGTH BOLTS TORQUE AND TURN TOGETHER Preliminary Calculations FRICTION-TYPE CONNECTIONS 1140 1142 ULTRASONIC MEASUREMENT OF BOLT STRENGTH OR TENSION UPPER LIMITS ON CLAMPING FORCE Yield Strength of the Bolt Thread Stripping Strength Design-Allowable Bolt Stress and Assembly Stress Limits Torsional Stress Factor Shear Stress Allowance Flange Rotation Gasket Crush Stress Cracking Combined Loads 1144 1144 1144 1144 1144 1145 1145 1145 1145 1145 FATIGUE FAILURE AND DESIGN FOR CYCLICAL TENSION LOADS Rolled Threads Fillets Perpindicularity Overlapping Stress Concentrations Thread Run-Out Thread Stress Distribution Bending Corrosion Surface Conditions Reduce Load Excursions 1146 1148 1149 1153 1153 1155 1156 1158 1158 1158 1158 1158 1158 1158 1159 1159 1159 1159 Mechanical Engineers Handbook 2nd ed. Edited by Myer Kutz. ISBN 0-471-13007-9 1998 John Wiley Sons Inc. 1135 1136 MECHANICAL FASTENERS WELDED JOINTS 1159 COOLING RATES AND Submerged Arc Welding SAW 1160 THE HEAT-AFFECTED ZONE HAZ Gas Metal Arc Welding Flux-Cored Arc Welding FCAW Shielded Metal Arc Welding SMAW 1162 1166 1167 IN WELDMENTS 1170 INTRODUCTION Most of the information in this chapter is not original. I am merely passing .