Cams

ContentsObjectivesCam mecanismCam typesCam followersCam displacement diagramsConstruction of an follower plate cam profileFormal cam drawing

ObjectivesCreate cam displacement diagramsDesign cam profiles drawing from camdisplacement diagramDrafting of elements of a mechanism includingcams

Cam mechanismWhat is …?

Rotating mechanism used to convert rotary motion into a corresponding straight motion.

Element of a cam mechanismFollower, cam, cam shaft, hubCam profile, base circle

Cam mechanism

Cam typesPlate camFace camDrum cam

Cam followersIn-lineOffset PivotedKnife-edgeFlat-faced

Cam displacement diagramsCyclePeriodRiseFallDwellDisplacement

Cam displacement diagrams

Cam displacement diagramsSimple harmonic motionConstant velocity motionModified constant velocity motionUniform Accelerated motionCycloidal motionDeveloping a cam diagram with different Cam motion

Cam displacement diagramsSimple harmonic motion

2 in. total displacementrise 180°fall 180°

Cam displacement diagramsSimple harmonic motion (step 1)

Cam displacement diagramsSimple harmonic motion (step 2)

Cam displacement diagramsSimple harmonic motion (step 3)

Cam displacement diagramsSimple harmonic motion (step 4)

Cam displacement diagramsSimple harmonic motion (step 5)

Cam displacement diagramsConstant velocity motion

Cam displacement diagramsModified constant velocity motion

Cam displacement diagramsUniform Accelerated motion (step 1)

Cam displacement diagramsUniform Accelerated motion (step 2)

Cam displacement diagramsUniform Accelerated motion (step 3)

Cam displacement diagramsCycloidal motion (step 1, 2)

Cam displacement diagramsCycloidal motion (step 3)

Cam displacement diagramsCycloidal motion (step 4)

Cam displacement diagramsDeveloping a cam diagram with different Cam

motion

Construction of a cam profileIn-line follower plate cam profile

Construction of a cam profileOffset follower plate cam profile

Cam drawingFormal plate cam drawingDrum cam drawing

Cam drawingPreparing the formal plate cam drawing

Cam drawing