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ISO 17559:2003 Hydraulic fluid power - Electrically controlled hydraulic pumps - Test methods to determine performance characteristics, 2003
- TitlePage - Hydraulic fluid power— Electrically controlled hydraulic pumps— Test methods to det...
- TableofContent - Contents Page
- Foreword - Foreword
- Introduction - Introduction [Go to Page]
- Scope - 1 Scope
- NormativeReference - 2 Normative references
- Clause1 - 4 Symbols [Go to Page]
- UntitledSubclause2 - 4.1 The physical quantity letter symbols and their suffixes used in
- UntitledSubclause2 - 4.2 Graphical symbols used in
- Clause1 - 5 Test installation— General requirements [Go to Page]
- Subclause2 - 5.1 General [Go to Page]
- UntitledSubclause3 - 5.1.1 Unless otherwise specified, install the pump with the output shaft ...
- UntitledSubclause3 - 5.1.2 Use a hydraulic test circuit conforming to
- UntitledSubclause3 - 5.1.3 Use a hydraulic test circuit conforming to
- UntitledSubclause3 - 5.1.4 For applications where the pump will be part of a closed-loop contr...
- Subclause2 - 5.2 General test apparatus [Go to Page]
- UntitledSubclause3 - 5.2.1 Set up a test rig conforming to
- UntitledSubclause3 - 5.2.2 Maintain the loading valve and variable restrictor in the test circ...
- UntitledSubclause3 - 5.2.3 Set the manual relief valve integrated with the pump for safety pur...
- Clause1 - 6 General test conditions [Go to Page]
- Subclause2 - 6.1 Test fluid [Go to Page]
- UntitledSubclause3 - 6.1.1 The hydraulic fluid type and viscosity shall conform to ISOVG32 o...
- UntitledSubclause3 - 6.1.2 Maintain the fluid temperature at the pump inlet in the range of
- UntitledSubclause3 - 6.1.3 Maintain the fluid contamination class within
- Subclause2 - 6.2 Ambient conditions
- Subclause2 - 6.3 Steady-state conditions
- Clause1 - 7 Tests of steady-state performance characteristics [Go to Page]
- Subclause2 - 7.1 General [Go to Page]
- UntitledSubclause3 - 7.1.1 The test circuit and measuring circuit shall conform to
- UntitledSubclause3 - 7.1.2 Adjust the electric motor to the specified rotational speed.
- UntitledSubclause3 - 7.1.3 The steady-state performance shall be determined in accordance with
- UntitledSubclause3 - 7.1.4 For pumps in accordance with
- Subclause2 - 7.2 Flow/pressure characteristics [Go to Page]
- UntitledSubclause3 - 7.2.1 Use the pump having pressure control and flow control functions.
- UntitledSubclause3 - 7.2.2 Determine the minimum flow command by the following procedure:
- UntitledSubclause3 - 7.2.3 Tests should be performed at
- UntitledSubclause3 - 7.2.4 Gradually change the output pressure by adjusting the variable rest...
- UntitledSubclause3 - 7.2.5 Plot a graph of output flow against output pressure (see
- UntitledSubclause3 - 7.2.6 Calculate and record the rate of change of adjustable flow rate
- UntitledSubclause3 - 7.2.7 For a pump with pressure-compensation function, calculate and recor...
- Subclause2 - 7.3 Characteristic test on output pressure against input pressure command signal:... [Go to Page]
- UntitledSubclause3 - 7.3.1 If the pump has pressure control and flow control functions, select...
- UntitledSubclause3 - 7.3.2 Completely close the loading valve. Increase and decrease input pre...
- UntitledSubclause3 - 7.3.3 Plot a graph of output pressure against input pressure command sign...
- UntitledSubclause3 - 7.3.4 Obtain and record the following characteristic value from the recor...
- UntitledSubclause3 - 7.3.5 Obtain the adjustable range of output pressure from the recorded data.
- UntitledSubclause3 - 7.3.6 Obtain the input signal value at the maximum working pressure from ...
- UntitledSubclause3 - 7.3.7 Determine the dead zone by recording the change in input pressure c...
- Subclause2 - 7.4 Characteristic test of output flow against input flow signal— Test procedure... [Go to Page]
- UntitledSubclause3 - 7.4.1 If the pump has pressure control and flow control functions, select...
- UntitledSubclause3 - 7.4.2 Increase and then decrease the flow control input signal for one cy...
- UntitledSubclause3 - 7.4.3 Plot a graph of output flow against input signal (see
- UntitledSubclause3 - 7.4.4 Obtain and record the following characteristic values from the reco...
- UntitledSubclause3 - 7.4.5 Obtain the adjustable range of the output flow from the recorded data.
- UntitledSubclause3 - 7.4.6 Obtain the input signal value at the maximum output flow from the r...
- UntitledSubclause3 - 7.4.7 Record the dead zone from the recorded data (see
- Subclause2 - 7.5 Repeatability test [Go to Page]
- Subclause3 - 7.5.1 Repeatability of output pressure— Test procedure and presentation of test ... [Go to Page]
- UntitledSubclause4 - 7.5.1.1 If the pump has pressure control and flow control functions, sele...
- UntitledSubclause4 - 7.5.1.2 Vary the input pressure command signal in accordance with
- UntitledSubclause4 - 7.5.1.3 Vary the input pressure command signal in accordance with
- UntitledSubclause4 - 7.5.1.4 Record graphically the results of the tests in
- UntitledSubclause4 - 7.5.1.5 Obtain and record the ratio of dispersion relative to each pressu...
- Subclause3 - 7.5.2 Repeatability of output flow— Test procedure and presentation of test results [Go to Page]
- UntitledSubclause4 - 7.5.2.1 If the pump has pressure control and flow control functions, sele...
- UntitledSubclause4 - 7.5.2.2 With the pump output flow at
- UntitledSubclause4 - 7.5.2.3 With the pump output flow at
- UntitledSubclause4 - 7.5.2.4 Record graphically the results of tests in
- UntitledSubclause4 - 7.5.2.5 Obtain and record the ratio of dispersion relative to each flow r...
- Subclause2 - 7.6 Test for change in characteristics against oil temperature [Go to Page]
- Subclause3 - 7.6.1 Change in characteristics with respect to pressure— Test procedure and pre... [Go to Page]
- UntitledSubclause4 - 7.6.1.1 If the pump has a pressure control function, completely close the...
- UntitledSubclause4 - 7.6.1.2 Raise the oil temperature from
- UntitledSubclause4 - 7.6.1.3 Record the results graphically by plotting output pressure agains...
- Subclause3 - 7.6.2 Change in characteristics with respect to flow rate — Test procedure and ex... [Go to Page]
- UntitledSubclause4 - 7.6.2.1 If the pump has pressure control and flow control functions, adju...
- UntitledSubclause4 - 7.6.2.2 Raise the oil temperature from
- UntitledSubclause4 - 7.6.2.3 Record the results graphically by plotting output flow against oi...
- Clause1 - 8 Tests of dynamic performance characteristics [Go to Page]
- Subclause2 - 8.1 General [Go to Page]
- UntitledSubclause3 - 8.1.1 The test circuit and measuring circuit shall conform to
- UntitledSubclause3 - 8.1.2 Adjust the electric motor to the specified rotational speed.
- UntitledSubclause3 - 8.1.3 For pumps in accordance with
- Subclause2 - 8.2 Pressure compensator response and recovery [Go to Page]
- UntitledSubclause3 - 8.2.1 If the pump has pressure and flow rate control functions, select th...
- UntitledSubclause3 - 8.2.2 Use a directional control valve for rapid shut-off and a pressure t...
- UntitledSubclause3 - 8.2.3 Condition the circuit such that the rate of pressure rise is between
- UntitledSubclause3 - 8.2.4 Open the directional control valve, and adjust the variable restric...
- UntitledSubclause3 - 8.2.5 Close the directional control valve while recording the instantaneo...
- UntitledSubclause3 - 8.2.6 Open the directional control valve while recording the instantaneou...
- UntitledSubclause3 - 8.2.7 Repeat
- Subclause2 - 8.3 Test of step response versus output pressure— Test procedure and presentatio... [Go to Page]
- UntitledSubclause3 - 8.3.1 If the pump has pressure and flow rate control functions, select th...
- UntitledSubclause3 - 8.3.2 Completely close the loading valve, and operate the pump at the min...
- UntitledSubclause3 - 8.3.3 Using a function generator, provide stepped input signals for press...
- UntitledSubclause3 - 8.3.4 Using a recorder of sufficiently high response performance compared...
- UntitledSubclause3 - 8.3.5 Pressure is considered stabilized when the amplitude of fluctuation...
- UntitledSubclause3 - 8.3.6 Record the load volume, piping length, inside diameter and pipe type.
- Subclause2 - 8.4 Test of step response versus output flow— Test procedure and presentation of... [Go to Page]
- UntitledSubclause3 - 8.4.1 If the pump has pressure and flow rate control functions, select th...
- UntitledSubclause3 - 8.4.2 Using a function generator, provide stepped input signals for outpu...
- UntitledSubclause3 - 8.4.3 Set the variable restrictor to obtain
- UntitledSubclause3 - 8.4.4 Using a suitable recorder of sufficiently high response performance...
- UntitledSubclause3 - 8.4.5 Flow rate is considered stabilized when fluctuations fall within the
- UntitledSubclause3 - 8.4.6 Record the load volume, piping length, inside diameter, and pipe type.
- Subclause2 - 8.5 Frequency response [Go to Page]
- Subclause3 - 8.5.1 Frequency response test on pressure— Test procedure and expression of results [Go to Page]
- UntitledSubclause4 - 8.5.1.1 For pumps conforming to
- UntitledSubclause4 - 8.5.1.2 Sweep the sinusoidal wave input signal frequency over a range of ...
- UntitledSubclause4 - 8.5.1.3 Using a true frequency response analyser of sufficiently high res...
- UntitledSubclause4 - 8.5.1.4 Read the amplitude ratio and phase lag in correlation to frequenc...
- UntitledSubclause4 - 8.5.1.5 Record the load volume, piping length, inside diameter, and pipe ...
- Subclause3 - 8.5.2 Frequency response test on output flow— Test procedure and expression of r... [Go to Page]
- UntitledSubclause4 - 8.5.2.1 For pumps conforming to
- UntitledSubclause4 - 8.5.2.2 Adjust the output flow to
- UntitledSubclause4 - 8.5.2.3 The preferred method is to use a transducer at a suitable positio...
- UntitledSubclause4 - 8.5.2.4 Sweep the sinusoidal input signal in accordance with
- UntitledSubclause4 - 8.5.2.5 Using a true frequency response analyser of sufficiently high res...
- UntitledSubclause4 - 8.5.2.6 Obtain the Bode diagram (see
- UntitledSubclause4 - 8.5.2.7 Record the load volume, piping length, inside diameter, and pipe ...
- AnnexNormative - Classes of measurement accuracy [Go to Page]
- Clause1 - A.1 Classes of measurement accuracy
- Clause1 - A.2 Errors
- Bibliography - Bibliography [Go to Page]
