Robot Mechanisms and Mechanical Devices Illustrated - Profe Saul

Contents
vii
Flat Belts 73
O-Ring Belts 73
V-Belts 73
Timing Belts 75
Smoother Drive Without Gears 76
Plastic-and-Cable Chain 77
Chain 79
Ladder Chain 80
Roller Chain 80
Rack and Pinion Chain Drive 82
Timing or Silent Chain 82
Friction Drives 83
Cone Drive Needs No Gears Or Pulleys 84
Gears 85
Gear Terminology 87
Gear Dynamics Terminology 88
Gear Classification 88
Worm Gears 90
Worm Gear with Hydrostatic Engagement 90
Controlled Differential Drives 93
Twin-Motor Planetary Gears Provide Safety Plus Dual-Speed 95
Harmonic-Drive Speed Reducers 96
Advantages and Disadvantages 99
Flexible Face-Gears Make Efficient High-Reduction Drives 100
High-Speed Gearheads Improve Small Servo Performance 102
Simplify the Mounting 102
Cost-Effective Addition 104
Chapter 3 Direct Power Transfer Devices 107
Couplings 109
Methods for Coupling Rotating Shafts 110
Ten Universal Shaft Couplings 114
Hooke’s Joints 114
Constant-Velocity Couplings 115
Coupling of Parallel Shafts 117
Ten Different Splined Connections 118
Cylindrical Splines 118
Face Splines 120
Torque Limiters 121
Ten Torque-Limiters 121
One Time Use Torque Limiting 125