77-0001 Imperial (Computer Controlled) High Frequency Reciprocating 
                (Oscillating Friction & Wear) test m/c

ASTM Specifications : D-6079

Comprises of

Imperial HFRR is a computer controlled reciprocating oscillatory friction & wear test system which provides a fast, repeatable assessment of the performance of fuels & lubricants. It is particularly suitable for wear testing of relatively poor lubricants like diesel fuels, and for boundary friction measurements of engine oils, greases & other compounds.

This fully automated system has an automated

1. Loading system (Motorized)
2. Temperature controls
3. Frequency
4. Amplitude
5. Test duration

The system is entirely controlled by an IBM compatible PC (Pentium PIII 750 MHz), via a custom electronic interface and comes with a variety of test specimen geometries; Point, line & area (the user MUST specify the materials required while ordering). Once the specimens have been loaded the rest sequence is completely automated with all its parameters set by the menu-driven control software. The software pre-heats the specimens upto the test temperature then starts the test, controlling .Load, Frequency, Stroke length/Amplitude & temperature to very precise limits.

It also times and logs friction coefficient, Temperature & Specimen Contact resistance at user defined intervals.

1. The mechanical unit uses an ELECTROMAGNETIC DRIVE to oscillate the upper test specimen against a fixed lower plate/specimen. The digital control system, absence of bearings & sliding components in the mechanical unit ensures absolute repeatability of stroke length & frequency. Accurate Platinum RTD temperature probes are used for specimen and safety cut-out temperature measurements.

2. For on-line wear monitoring system a LVDT is incorporated with an accuracy of 0 to 1 mm with a resolution of 0.2 .m.

3. Comes with a Peristaltic pump with adjustable flow (0.02 ml/min to 0.2 ml/min) of test lubricant for DRIP / SPLASH arrangement. Collected data is displayed on-line/Real time in graph form as the test proceeds. It is continuously updated and saved on the hard disc and can be easily re-called & printed. Wear Scar dimensions & operator.s comments can be recorded to provide a complete hard copy of each test.

Features and specifications

Control Parameters:
Load, Temperature, Frequency, Amplitude/Stroke, Test duration & Sine Controller.

Load:
1000 N automated motorized loading system; resolution 0.1 N.

Amplitude:
0.1mm continuous variation or stepwise/ramp-ups.

Frequency:
0.1 . 50 Hz; resolution 0.1 Hz.

Temperature:
Ambient to 120 °C standard; resolution 0.1°C Special packing/s & housing shall be incorporated to adapt the required temperature of ambient to 600°C.

Parameters Displayed on the monitor screen:
LOAD, TEMPERATURE, FREQUENCY, AMPLITUDE, WEAR & FRICTION COEFFICIENT & CONTACT POTENTIAL.