Vista Sensors and Motors.pdf - 第29页
SENSORS AND MOTORS MOTOR TYPES Chapter Issue 1 Sep 02 Technical Reference Manual 20.29 MOTOR TYPES Each of the fol lowing fig ures detai ls a par ticular motor i n the machine and is accompani ed by an image for visual i…
SENSORS AND MOTORS
MOTORS
20.28 Technical Reference Manual Chapter Issue 1 Sep 02
Motor Comparison
Stepper Servo DC Motor
Features Good for position or
speed control of high
precision but unsuitable
for high speed or high
torque control
Enables positioning and
speed control at higher
torque
Fairly constant speed
rotation
Stability Stable Control must feature
some kind of damping
Unstable.
Unsuitable for precision
speed control as loading
slows down motor
Motor Simple 8 wire (4 phase)
stepper
More complicated (inte-
gral encoder) /expen-
sive
Simple moving coil
motor
SENSORS AND MOTORS
MOTOR TYPES
Chapter Issue 1 Sep 02 Technical Reference Manual 20.29
MOTOR TYPES Each of the following figures details a particular motor in the machine and is
accompanied by an image for visual identification.
Servo Motors
Figure 20-28 DC Servo Motors
Rising Table
Camera Y
Camera X
PRINT CARRIAGE
DC Servo motor
Gearbox : None
Pulley : 40T (5mm Pitch)
Gearbox : None
Pulley : 22AT (5mm Pitch)
Gearbox 5 : 1
Pulley : 11AT (10mm Pitch)
Gearbox 50 : 1
Pulley : 30T (5mm Pitch)
SENSORS AND MOTORS
MOTOR TYPES
20.30 Technical Reference Manual Chapter Issue 1 Sep 02
Stepper Motors
Figure 20-29 Stepper Motors
General Purpose Motors
Figure 20-30 General Purpose Moving Coil Motors