9 Electronic Cam
9.1 Introduction of Electronic Cams
A traditional mechanical cam is composed of a cam, a follower, and a support.
A mechanical cam is a rotating sliding piece with irregular shape. In general, it is an input object
which rotates at a uniform speed. It makes a follower move regularly by coming into contact with the
follower.
A follower is a part driven by a mechanical cam. In general, it is an output object which generates
motion which is not uniform, sequential, and regular motion.
A support is a piece that which is used to support a mechanical cam and a follower.
Compared with a traditional cam, an electronic cam has the following advantages.
Friendlier user interface
Different products require different cam curves. Users can modify the electronic cam data in an
electronic cam in software. They do not need to modify a mechanism.
High acceleration
Smoother operation
Mechanical cam
DVP-20PM series
motion controller
Controller
Drive
Phase integration
mechanism
Motor
Action
Follower
Slave axis
Transmission
Differential
gear
Clutch
Gear
Cardinal shaft
Motor
Servo
drive
Servo
motor
Ball
screw
Electronic cam
DVP-20PM Application Manual
9-1
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