Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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Rotary indexing tables can be powered by ___________ drives
a. | pneumatic | c. | hydraulic | b. | electric | d. | all of the
above |
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2.
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When a stepper motor is mounted so the shaft is parallel to the indexing table,
a ______ drive is used between the motor and the indexing table.
a. | stepper gear | c. | worm gear | b. | helix gear | d. | mesh gear |
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3.
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Fiber optic sensors are _______ sensors with fiber optic filaments attached to
the sensor to send and receive light.
a. | inductive | c. | capacitive | b. | photoelectric | d. | retro-reflective |
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4.
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A capacitive sensor creates a(n) ________ field that is used to sense when a
part comes into range.
a. | electrostatic | c. | electric | b. | magnetic | d. | light |
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5.
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Stepper motors are programmed by the user to provide the positioning and ______
required by the application.
a. | accuracy | c. | speed | b. | angle | d. | none of the
above |
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6.
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A rotary table’s homing sensor is often a(n) ________ sensor because the
table is metal and it is a low cost sensor.
a. | capacitive | c. | retro-reflective | b. | fiber optic | d. | inductive |
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7.
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Often, a part transfer cylinder is equipped with two ______ to detect the
cylinder’s position.
a. | magnetic reed switches | c. | photoelectric sensors | b. | limit
switches | d. | inductive
sensors |
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8.
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A typical stepper motor indexing table will have an input from the stepper motor
to the PLC indicating ____________, and a sensor input to the PLC indicating a part is
present.
a. | stepper motor rotating | c. | stepper motor ready | b. | stepper motor homed | d. | stepper motor not
ready |
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9.
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Some industrial applications use ______ for parts orientation.
a. | one-axis manipulators | c. | three-axis manipulators | b. | two-axis
manipulators | d. | none of the
above |
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10.
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An indexing processing station can consist of multiple modules such as
_____________.
a. | indexing, inspection, orientation, and transfer | c. | indexing, inspection, sorting and
transfer | b. | indexing, orientation, reject, and transfer | d. | indexing, inspection, sorting and
reject |
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11.
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Before a machine can run in automatic mode, it must first be _________.
a. | tested | c. | stopped | b. | powered down | d. | homed |
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