Facilities

A partial listing of facilities includes:

·        A wind turbine drivetrain diagnostics test rig.

·        A rotor dynamics and turbine blade crack diagnostics test rig.

·         A machinery and structure health monitoring and diagnosis test bed consisting of a SQ Machinery Fault Simulator, a SQI Gearbox Dynamics Simulator and various bearing, gear, shaft, belt, motor and reciprocating machinery test kits.

·         An oil debris monitoring rig with multi-axial vibration excitation capability for gearbox and engine fault detection and diagnosis. 

·         An intelligent manufacturing control and optimization test bed consisting of a SERVO CNC milling machine and a sensing/DSP module.

·         A sensing and data acquisition system containing Magtrol HD-810-6N Hysteresis Dynamometer, Kistler 9257B and 9067 dynamometers, Kistler 5814A10 Multi-Channel Dual Mode charge amplifier, Load Controls power cell sensors, Wilcoxon and Montronix accelerometers, ICP single- and tri-axial accelerometers, Load Controls Universal power sensors, NI DAQ units, Kistler 9722A2000 Piezotron impulse force hammer, Shure acoustic sensors, and WD acoustic emission sensors.

·         A cluster of computers equipped with various DAQ, DSP, control, simulation, and optimization software.

Click on the picture to see large image

1. Accelerometers

a. Uniaxial: Montronix VS100-100

                                i)      Sensitivity: 100 mV/g (+/-5%, 25°C)

                              ii)      Accelration Range: 50 g peak

                            iii)      Amplitude Nonlinearity: 1%

                            iv)      Frequency Response, nominal:

±5%                             3 – 5,000 Hz

±10%                           2 – 7,000 Hz

±3dB                           1 – 12,000 Hz

More detail contents can be found Here.

Vibration monitoring technical note for the Montronix VS100-100 is linked Here.

 

b. Triaxial: Wilcoxon 993B-6

                                i)      Sensitivity: 50 mV/g (+/-5%, 25°C)

                              ii)      Acceleration Range: 80 g peak

                            iii)      Amplitude Nonlinearity: 1%

                            iv)      Frequency Response

Z axis ± 3dB                2 – 10,000 Hz

X & Y axis ± 3dB        2 – 7,000 Hz

                              v)      Transverse Sensitivity: 7% of axial (max)

More detail contents can be found Here.

 

2. Motor Load sensor

A motor load sensor monitors horsepower of an electrical motor used for spindle control in Servo CNC.

Specifications

                                i)      Frequency: 3 Hz to 1 kHz

                              ii)      Accuracy: 0.5% Full Scale

                            iii)      Response (Adjustable): 0.5 seconds to 3 seconds

                            iv)      Analog output:

4 – 20 Milliamp – 500 Ohm Maximum connected impedance.

0 – 10 Volt DC – 2,000 Ohm Minimum Load.

 

It can be used for the following,

                                i)      Adjusting machines and processes

·          Keep feed rates at optimum,

·          Adjust feed rates as sizes or materials change

·          Regulate pressure, force, flow or viscosity, and

·          Compensate for tool wear.

                              ii)      Signalling beginning or end of process

·          Tool has touched workpiece, and

·          Viscosity has reached desired level.

                            iii)      Detecting trouble

·          Early warning of machine jam-up,

·          A part is misplaced, and

·          Tool is missed.

                            iv)      protecting machine and tools

·          Sensing overload,

·          Sensing loss of load, and

·          Detecting dull tools.

Technical note can be found Here.

Installation instruction is available Here.

 

3. Impact Hammer

Model: Kistler Type 9722A2000 (S/N: 2039678)

·          Calibration certificate (Open in a new window.)

·          Data Sheets (in PDF) for

Impact hammer (Type 9722A)

Power supply/coupler (Type 5114)

 

4. Force Transducer and Dynamometer

a. Force Transducer: Model Kistler 9067

                                i)      Measuring Range:

Fz                    ±8,900 lb

Fx, Fy              ±4,400 lb

                              ii)      Sensitivity:

Fz                    -17 pC/lb

Fx, Fy              -35 pC/lb

See all specifications.

 

b. Dynamometer: Model Kistler 9257B

                                i)      Measuring Range:

Fx, Fy, Fz        ±1.1 klb

                              ii)      Maximum Force:

Fx, Fy, Fz        ±1.7 klb

                            iii)      Sensitivity:

Fz                    -16 pC/lb

Fx, Fy              -33 pC/lb

See all specifications.

 

c. Charge Amplifier: Model Kistler 5814A10

Three channel charge amplifier. Each channel has the following characteristics.

                                i)      Measuring Range: ±10 to 999,000 pC

                              ii)      Transducer Sensitivity: 0.01 to 9,990 pC/MU

See all specifications.

5. MAGTROL dynamometer and controller

    i) Dynamometer: MAGTROL Hysterisis dynamometer Model HD-810 (User's manual)

    ii) Controller/Readouts: MAGTROL Model 6200 (User's manual)

    MAGTROL's HD dynamometer is used for testing in low to medium power ranges, which has following features:

Accuracy: +/-0.25 percent full scale

High Speed Capabilities: 12,000 to 25,000 RPM.

Hysterisis braking system: provides precise torque loading independent of shaft speed

Motor testing: from no load to locked rotor

Air flow sensor: for protection against overheating and operator error

6. Acoustic Emission Sensor

PAC WD AE Sensor

7. Bearing Monitors

       

        i) SKF CMSS590A Bearing Monitor

       ii) IMI 682A05 Bearing Monitor

8. PWM Converter

　

    Hitachi SJ-200-022 NFU Converter

9. Data Acquisition Card

                   i) NI AT-MIO-16DE-10 DAQ

                  ii) NI PCI 6132-DAQ (14 bits- 4 analogue inputs- 3 MS/s/Channel)