ADVANCED THEORIES OF HYPOID GEARS

By P. MAKAN

CONTENTS INTRODUCTION ISSUE TASK AND OBJECTIVE OF THE WORK STRUCTURE OF THE WORK STATE OF THE ART IN RESEARCH AND TECHNOLOGY MARKET AND DEVELOPMENT SITUATION OF VEHICLE TRANSMISSIONS TORSIONAL VIBRATION BEHAVIOR OF INTERNAL COMBUSTION ENGINES REQUIREMENTS AND STRUCTURE OF VEHICLE TRANSMISSIONS IN SPUR GEAR DESIGN WORK ON RATTLING NOISE BEHAVIOR OF VEHICLE TRANSMISSIONS MEASURES TO MINIMIZE RATTLE NOISE FROM VEHICLE TRANSMISSIONS TRANSMISSION POWER LOSS GEAR RATTLING NOISES FROM VEHICLE TRANSMISSIONS GEAR RATTLING SYNCHRONIZER RING RATTLING RATTLE NOISE ANALYSIS OF VEHICLE TRANSMISSIONS TEST BENCH SETUP AND TEST EXECUTION ACOUSTIC PROPERTIES OF THE SOUNDPROOF CABIN LUBRICANTS AS DESIGN ELEMENTS TASKS AND REQUIREMENT PRO?LE OF A GEAR LUBRICANT CHEMICAL COMPOSITION OF GEAR OILS MINERAL OIL BASED BASE OILS POLYETHER OILS SYNTHETIC HYDROCARBONS CARBOXYLIC ACID ESTERS ADDITIVES MECHANICAL PROPERTIES OF GEAR OILS VISCOSITY DENSITY SELECTED TEST PROCEDURES FOR TESTING GEAR OILS CONTACT ANGLE MEASUREMENT MINI TRACTION MACHINE FOR MEASURING THE COEF?CIENT OF FRICTION FLOW BEHAVIOR UNDER SHEAR STRESS PARAMETER VARIATION OF BASE OILS AND ADDITIVES STRUCTURE OF THE MANUAL TRANSMISSION FOR FRONT-TRANSVERSE DRIVE TEST PROCEDURE RATTLE NOISE INVESTIGATIONS STANDARD GEAR OILS, ADHESION ADDITIVE AND WETTING AGENT GEAR OILS BASED ON POLYALKYLENE GLYCOLS BASE OIL TYPE VARIATION VARIATION OF VI IMPROVERS DIFFERENT CONCENTRATIONS OF DISPERSANT PAMA VARIOUS VI IMPROVERS IN HIGH CONCENTRATION FORMULATIONS WITH ESTER OILS EFFECT OF FRICTION MODI?ER AND ANTIFOAM AGENT MEASUREMENT OF THE DRIVE-SIDE TORQUE LOSS NOTES ON FORMULATING AN OPTIMIZED GEAR OIL CORRELATION BETWEEN OIL AND GEOMETRIC PARAMETERS STRUCTURE OF THE SINGLE-STAGE TEST GEARBOX GEAR RATTLE EXPERIMENTS OIL LEVEL VARIATION VARIATION OF THE OIL SUMP TEMPERATURE CONTRIBUTION OF SYNCHRONIZERS IN?UENCE OF A RELATIVE SPEED BETWEEN GEAR SHAFT AND IDLER GEAR IN?UENCE OF THE OIL TYPE WITH DIFFERENT TORSIONAL BACKLASHES DEPENDENCE BETWEEN AXIAL AND TORSIONAL BACKLASH SYNCHRONIZER RING RATTLING EXPERIMENTS VARIATION OF OIL SUMP TEMPERATURE IN?UENCE OF A RELATIVE SPEED BETWEEN THE SYNCHRONIZER HUB AND SYNCHRONIZER RING VARIATION OF THE CLEARANCE BETWEEN SYNCHRONIZER HUB AND SYNCHRO-RING MECHANISM OF GEAR RATTLING NOISE GENERATION ROTATIONAL PATH DEVIATION WITHOUT TORSIONAL VIBRATION EXCITATION COMPARISON OF STRAIGHT AND HELICAL GEARS IN?UENCE OF TORSIONAL BACKLASH WITH HELICAL IDLER GEAR IN THE NON-SHIFTED STATE VARIATION OF THE OIL TYPE WITH HELICAL GEARING SUMMARY OF THE MECHANISM OF RATTLING NOISE GENERATION SUMMARY AND OUTLOOK