Clutch Brake; Stepping Motor - Mitsubishi Electric Melsec FX Series Beginners Manual

Actuators for positioning
1.2.3

Clutch brake

Features and Drawbacks
● Frequent positioning is possible.
● Life of friction plate is limited.
● Change in positioning is difficult.
(When optical sensors or limit switches are used for stop)
Clutch brake
unit
1.2.4

Stepping motor

Features and Drawbacks
● Simple positioning mechanism.
● If load is heavy, motor may step out and displacement can occur.
● Motor capacity is small.
● Precision is poor at high speed.
Controller
FX Positioning Control Systems
Speed reducer
Motor
Stepping
motor
Fig. 1-3:
Schematic drawing
Clutch Brake
Constant
quantity
feed hopper
Optical
sensor
Fig. 1-4: Schematic drawing
Stepping motor
The Basics of Positioning Control
120030da.eps
120040da.eps
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