Schwerpunkte

INTRODUCTION    

Introduction to Gears    

• Why gears, short history, applications, types
• General kinematics and dynamics, basic gear law, survey of Standards (ISO etc)

GEAR GEOMETRY    

Geometry of involute gearing    

• Spur and helical gears, basic definitions of single gear, gear pairs, mesh

Gear corrections    

• Profile and lead corrections, laod distribution, vibration excitation

Variant gear

• Systems  "Special gears": bevel gears, conical gears, worm gears, general kinematics, basic definitions
• Plenatary gears: kinematics, powerflow, efficiency

MATERIAL AND HEAT TREATMENT

Gear materials    

• Selection of gear materials, heat treatment, SN-curve, damage line, strength values

GEAR RATING    

Basic rating practice    

• Introduction fo gear rating, relevant stress parameters, rating of bending, pitting, scuffing, slow speed wear, micropitting and flank breakage

Standard gear rating    

• Standardized gear methods in ISO, bending, pitting, scuffing, micropitting – examples

Program codes    

• Application of standard gear rating methods, examples

TEST METHODS

Oil tests    

• Influence of lubricants on gear load capacity, test methods and test results, introduction of test results in gear rating practice