Post on 29-May-2020
http://www.youtube.com/watch?v=B17OvPYM040
Joints
A mechanical constraint that connects kinematic pairs and controls the “Degrees of Freedom” of a mechanism.
Degrees of Freedom (DOF)
Set of possible displacements, rotations that define the position & orientation of a body/system.
weird!
Categories of Compound Machines:
- Linkages (Remember Last Week)
- Geared Motion- Reciprocating / Oscillating- Cams and Cam-Followers- Intermittent Motion
Geared MotionORBITING
PLANETARY
Geared MotionWORM GEAR
Reciprocating / OscillatingCRANK SLIDER
a.k.a. Piston
Reciprocating / OscillatingCRANK ROCKER
Reciprocating / OscillatingBEAM ENGINE
Geared MotionRECIPROCAL MOTION WITH GEARS
Reciprocating / OscillatingRHOMBIC DRIVE
Irregular MotionCAMS
DA VINCI CAM-HAMMER
Intermittent MotionGENEVA STOP
Intermittent MotionRATCHET
Intermittent MotionESCAPEMENT