9 Electrical CAM
DVP-PM Application Manual
9-1
9.1 Introduction to Electrical CAM (E-CAM)
Mechnical cam system consists of 3 parts including a cam, a cam follower, and a fixed linkage.
îš„ Mechinacal cam is a rotating piece with irregular form, usually an input device with steady rotation rate,
operates cam follower to produce a smooth reciprocating motion through the fixed linkage between the
cam and the follower.
îš„ Cam follower is a type of roller or needle bearing designed to be driven by the cam. Usually the cam
follower is an output device for producing discrete signals.
îš„ Fixed linkage is the frame for linking and fixing the cam the the follower.
Cam
Cam follower
In comparison with mechanical cam system, there are many advantages of using E-CAM
îš„ E-CAM provides a more user-friendly interface.
îš„ Not necessary to modify machinery system when different production process is required. Users only
need to modify the E-CAM data in CAM chart by software.
îš„ Higher acceleration speed can be achieved.
îš„ Operation is smoother.
DVP-PM
Mechanical cam
Controller
Drive
Motor
Cardinal shaft
Gear
Clutch
Differential
Gear
Transmission
Cam
Phase integration
mechanism
Motor
Cam
Follower
Action
E-CAM
Servo
Drive
Servo
motor
Ball
screw
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