| AHHAC | 25050 | Hydraulics- Actuators |
Trainee Name____________________________
Trainee Social Security Number:
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Trainee Status:
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Course Name: ___________________
Course Code: ___________________
National Center Course Number: ___________
Date Course Completed:
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Performance Criteria Completed:
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Performance Objectives:
Pass Fail
Topic 1: Cylinders
1.1 Describe
the basic components and operation of the following
types of single-acting cylinders: single-acting load return
cylinder, single-acting spring-return cylinder, telescoping
cylinder.
1.2
Describe the basic components and operation of a double-
acting cylinder.
1.3
Describe the basic components and operation of a double-rod
cylinder.
1.4
Describe the basic functions of piston rings, rod seals, rod
wipers, and cylinder cushions.
1.5
Describe how fixed cylinder mountings and pivoting cylinder
mountings can be used to mount linear actuators.
Topic 2: Motors
2.1 Describe the basic components and operation of a vane
motor and
explain what a balanced vane motor is.
2.2 Describe the basic components and operation of the following
types of
gear motors: external gear motor, internal gear motor,
gerotor
motor.
2.3 Describe the basic components and operation of the following
types of
piston motors: in-line piston motor, variable displacement
in-line
piston motor, bent-axis piston motor.
2.4 Describe the basic components and operation of the following
types of
partial rotation actuators: vane type rotary actuator,
crank-type
piston actuator, rack-type piston actuator.
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Performance Evaluator’s Name (Print) ____________________________
Date Completed: _____________________________________________