Thumbnail image of animation M6.1

M6.1: Torsion Concepts

 Concept Checkpoint
Basic torsion problems involving internal torques, shear stress, and angles of twist.
Thumbnail image of animation M6.2

M6.2: Torsion Theory for Circular Sections

 Theory
Derive elastic torsion formula and angle of twist formula.
Thumbnail image of animation M6.3

M6.3: Sign Conventions for Torsion Analysis

 Theory
Sign conventions used for internal torque, shaft element twist angles, and rotation angles.
Thumbnail image of animation M6.4

M6.4: Allowable Torque in a Pipe Shaft

 Example
Given an allowable shear stress, determine the maximum torque that can be applied to a pipe shaft.
Thumbnail image of animation M6.5

M6.5: Minimum Diameter for a Solid Shaft

 Example
Determine the minimum diameter required for a solid shaft.
Thumbnail image of animation M6.6

M6.6: Twisting of a Compound Torsion Member

 Example
Determine minimum shaft diameter required to satisfy a twist angle limit.
Thumbnail image of animation M6.7

M6.7: Multiple Torques

 Example
Use both the elastic torsion formula and the angle of twist formula to determine shear stresses and rotation angles.
Thumbnail image of animation M6.8

M6.8: Maximum Torque Based on Twist Angle

 Example
Based on a twist angle limit, determine the maximum torque that can be applied to a gear.
Thumbnail image of animation M6.9

M6.9: Gear Basics

 Theory | Concept checkpoints
Basic gear relationships for torque, rotation angle, rotation speed, and power transmission.
Thumbnail image of animation M6.10

M6.10: Gear Trains: Torque and Shear Stress (Two Shafts)

 Concept checkpoints
Basic calculations involving two shafts connected by gears.
Thumbnail image of animation M6.11

M6.11: Gear Trains: Torque and Shear Stress (Three Shafts)

 Concept checkpoints
Basic calculations involving three shafts connected by gears.
Thumbnail image of animation M6.12

M6.12: Gear Trains: Angles of Twist

 Concept checkpoints
Basic twist and rotation angle calculations involving two shafts connected by gears.
Thumbnail image of animation M6.13

M6.13: Two Shafts Connected by Gears

 Example
Determine the shear stress in each shaft and the rotation angle at the free end.
Thumbnail image of animation M6.14

M6.14: Gear Trains: Power Transmission (Two Shafts)

 Concept checkpoints
Basic calculations involving power transmission in two shafts connected by gears.
Thumbnail image of animation M6.15

M6.15: Gear Trains: Power Transmission (Three Shafts)

 Concept checkpoints
Basic calculations involving power transmission in three shafts connected by gears.
Thumbnail image of animation M6.16

M6.16: Determine Power Transmitted by a Shaft

 Example
Determine the maximum power that can be transmitted by a shaft within limits on shear stress and twist angle.
Thumbnail image of animation M6.17

M6.17: Shaft Diameter Based on Power

 Example
Determine the minimum diameter required to transmit a specified power.
Thumbnail image of animation M6.18

M6.18: Motor-driven Shafts

 Example
Determine the maximum shear stress in two gear-connected shafts. Also, determine the rotation angle of a gear.
Thumbnail image of animation M6.19

M6.19: Shear Stresses in Coaxial Shafts

 Example | Try one
Determine internal torques and shear stresses, and shaft rotation angle in two coaxial shafts.
Thumbnail image of animation M6.20

M6.20: Shear Stresses in End-to-end Shafts

 Example | Try one
Determine internal torques, shear stresses, and rotation angles for a compound torsion member.
Thumbnail image of animation M6.21

M6.21: Maximum Torque for Composite Shaft

 Example | Try one
Determine the maximum torque that can be applied to a compound torsion member given allowable shear stresses.
Thumbnail image of animation M6.22

M6.22: Maximum Torque Applied to Coaxial Shaft

 Example
Given allowable shear stresses for two coaxial shafts, determine the maximum torque that can be applied to the assembly.
Thumbnail image of animation M6.23

M6.23: Shafts With Specified Rotation Angle

 Example
Determine the maximum torque that can be applied to a compound torsion member based on a rotation angle limit.
Thumbnail image of animation M6.24

M6.24: Indeterminate Gear Mechanism

 Example
Determine the shear stresses produced in two shafts connected by gears.