HT-9711
Dynamic Testing Machine
Data Acquisition System Block Diagram

Control Utility
 
Specifications
Model
HT
9711-10
HT
9711-25
HT
9711-50
HT
9711-100
HT
9711-200
HT
9711-300
HT
9711-500
Power source
Electro-Hydraulic Servo Control System
Force capacity
kg
1000
2000
5000
10000
20000
30000
50000
kN
10
20
50
100
200
300
500
Max. Stroke (mm)
Dynamic
±25
Static
±50
Control mode
Force, displacement control
Static force sensor capacity
x120%, x100%, x50%, 20%, 10% (auto gain selection)
Static force sensing error
less than or equal to ±1% (Calibration error)
Dynamic force sensor capacity
x100%, x50%, 20%, 10%
Dynamic force sensing error
less than or equal to ±1% (Calibration error)
style
E type
E type
E type
E type
D type
D type
D type
Operating width
620
620
760
760
750
750
750
Operating height
250~1000
250~1100
Dimensions (WxDxH) mm
1270x600x2400
1325x750x2650
Hydraulic power
QR-10
QR-20
QR-10
QR-20
QR-40
QR-60
QR-80
Flow rate (L/min)
10
10
10
20
40
60
80
Servo valve rated flow rate (L/min)
15
15
15
30
45
80
120
Accumulator capacity (pressure/return end) (L)
1L/1L (optional)
5L/5L (optional)
Displacement sensor
LVDT built in actuator
Waveform      
(Ramp)
(Sine)
(Triangular)
(Square)
     
dimension, table, stroke, and capacity can be made to order depending on customer requirements

Servo Hydraulic System Specifications
1.
One servo-actuator
2.
500~50,000 kg force (used defined)
3.
One hydraulic power package
Main pump: 40~120 l/min, 200kg per cubic cm (can be set up to 310 kg per cubic cm)
Motor: 3phase, 220VAC, 40~80HP
Tank: 400 L capacity
Oil Filter: 5 micron
Accumulator: Pressure end 1 qt., return end 1 qt. (option)
Cooling system: 1set
Pressure switch: 1set
Crosshead adjustment power package, provides power to tune crosshead
position and lock
4.
Servo valve: 40~180 L/min rated flow rate, bandwidth greater than or equal to 50Hz, resolution less than or equal to 0.5%
5.
Fatigue type load cell: 500~50,000 kg., 0.05%FS nonlinearity, calibration error is less than or equal to 1%
6.
DC type LVDT: Built in actuator, 50~300mm stroke, 0.05% nonlinearity

Controller and Control Interface Specifications
1.
Control one servo-actuator
2.
Closed loop force and position learning control
3.
Loading and shaking the test article
4.
Servo amplifier
5.
DC transducer conditioner
6.
A/D channel; 16bit resolution, 1/2LSB nonlinearity
7.
D/A channel; 16bit resolution, 1/2LSB nonlinearity
8.
D/O channel; process control, crosshead position adjustment
Computer: 1set
CPU: Pentium MMx200 or greater
RAM: 32MB
15" super VGA monitor, 1024x768
Hard Drive: 2.1GB or greater
Printer: Inkjet
1.44 floppy drive
Rack: 1set
Servo Hydraulic System Specifications
1.
Operating system: Microsoft Windows 95
2.
Set-up test sequence database management
3.
Fixture constant load and minor adjustment
4.
Auto-generation sine, triangular, ramp, and square wave
5.
Closed-loop learning controller, force and position control
6.
Real time data display
7.
Test data auto storage
8.
Three types of graph zoom
9.
Provides force-time, disp.-time, force-disp. diagram
10.
Present tabular and graphical reports
11.
Report editor
12.
Auto stop
13.
Control safety diagnostics
14.
Diagram auto scale and user defined
 

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