Hyd Ch 9

Front 1

a __ is the system component that converts fluid pressure and flow into linear force and movement

Back 1

hydraulic cylinder

Front 2

name the three basic components that make up a hydraulic cylinder

Back 2

piston, shaft, cylinder

Front 3

two types of sealing components are used to seal the area aroud the rod of a cylinder

Back 3

seal- prevents external leakage

wiper/scraper- keep particulates out of the system

Front 4

name the two common ways in which cylinders are classified

Back 4

consumption and operation

Front 5

a cylinder that has externally mounted metal rods holding the ends on the barrel is called a __ cylinder

Back 5

tie rod

Front 6

list the four basic construction styles of cylinders

Back 6

tie rod, milled, threaded, one part

Front 7

list the three basic configurations used to mount cylinders to equiment

Back 7

centerline balanced, uncenterline balanced, centerlined unbalanced*

Front 8

name the two pivoting centerline cylinder mounting methods that allow the cylinder to follow the arc made by pivoting machine member

Back 8

clevis and trunion

Front 9

cylinder rod extension speed may be calculated by multiplying the flow rate going into the actuaor by 231 and then dividing by __

Back 9

area of the rod

Front 10

the three conceptual component groups that make up any hydraulic motor are

Back 10

housing, rotating internal parts, and power output shaft

Front 11

a motor in which the output shaft bearing are side loaded is classified as a __ design

Back 11

unbalanced

Front 12

name the three most common basic design of hydraulic motors

Back 12

vane, piston, gear

Front 13

the specialized gear design that is used with most internal gear motors is called a

Back 13

gerotor

Front 14

the __ gerotor design of an internal gear motot uses a fixed gear with internal teath and a rotating valve plate instead of crescent shaped inlet and outlet ports

Back 14

orbiting

Front 15

as the displacement is reduced in a variable displacement vane morot, the speed of the motor increases, while the potential __ output decreases

Back 15

torque

Front 16

the balanced vane motor configuration places a balanced load on the __ of the motor

Back 16

bearings

Front 17

in the inline piston motor design, the centerline of the pistons and cylinders is inline with the centerline of the __ `

Back 17

output shaft

Front 18

in the inline piston motor, a __ is used to change the linear movement of the pistons to rotary motion of the power output shaft

Back 18

swashplate

Front 19

a __ is used to connect the cylinder barrel and the power output shaft of a bent axis hydraulic moter

Back 19

universal joint

Front 20

cam type radial piston motors are often used in construction equipment application where__ are directly mounted on the power output shaft of the motor

Back 20

equipment drive wheels

Front 21

if hydraulic motors are connected in __ all of them operate at the same time, as long as the total pressure requirement is below the setting of the system relief valve

Back 21

series

Front 22

name two conditions that can exist when a stopping a hydraulic motor, if the circuit has not been properly designed

Back 22

calvatations or burst pressure

Front 23

__ circuits are used in closed loop hydraulic systems to make up fluid lost from leakage during system operation

Back 23

replenishment

Front 24

list three possible pump/motor arrangements that may be used in a hydrostatic system

Back 24

fixed motor and pump

fixed motor and variable pump

fixed pump and variable motor