DescriptionThe STD-TE 77 High Frequency Friction Machine is reciprocating tribometer with a maximum
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The STD-TE 77 High Frequency Friction Machine is reciprocating tribometer with a maximum stroke of 25 mm and maximum load of 1.000 N. It was used for the inter laboratory tests for the development of ASTM G 133 “Standard Test Method for Linearly Reciprocating Ball on Flat Sliding Wear”, which addresses the dry and lubricated wear of ceramics, metals and ceramic composites, and also for ASTM G 181 “Standard Practice for Conducting Friction Tests of Piston Ring and Cylinder Liner Materials Under Lubricated Conditions”.
The machine is floor standing with integral control unit incorporating a Phoenix Tribology USB Serial Link Interface Module. This is connected to a PC with COMPEND 2000 sequence control and data acquisition software installed. The system provides sequence control of load, frequency and temperature plus data acquisition of measured parameters, at both low and high speed.
| Contact Configurations: | Ball on Plate (Point Contact) | |
| Cylinder on Plate (Line Contact) | ||
| Area Contact | ||
| Optional Configurations: | Piston-Ring and Cylinder Liner | |
| ISO Fuel Test Specimens | ||
| Load Range: | 5 to 1000 N | |
| Loading Rate: | 50 N/s | |
| Temperature Range: | Ambient to 600°C | |
| Heating Power: | 800 W | |
| Temperature Sensor: | k-type thermocouple | |
| Frequency Range: | 2 to 50 Hz | |
| Stroke Range: | See following tables | |
| Contact Potential: | 50 mV dc signal | |
| Friction Transducer: | Piezo-Electric Type | |
| Force Range: | – 500 to 500 N | |
| Stroke Transducer: | Magneto Inductive | |
| Maximum Stroke: | 25 mm | |
| Linearity: | 0.50% | |
| Low Speed Interface: | Serial Link Interface Module | |
| Resolution: | 12 bit | |
| Number of Input Channels: | 1 to 8 | |
| Number of Output Channels: | 1 to 4 | |
| Maximum Data Rate: | 10 Hz | |
| High Speed Interface: | USB | |
| Resolution: | 16 bit | |
| Number of Input Channels: | 6 | |
| Maximum Data Rate: | Six channels at 50 kHz | |
| Software: | COMPEND 2000 | |
| Motor: | 1.1 kW a.c. vector motor with 2048 ppr encoder | |
| Plate Specimen: | 38 mm x 58 mm x 4 mm thick (typical) | |
| Point Contact: | 6 mm, 3/8 inch and 10 mm diameter ball | |
| Line Contact: | 6 mm diameter x 16 mm long pin | |
| Area Contact: | 12 mm diameter x 4 mm thick disc | |
| Stroke Range: | ||
| Continuously Variable Cam – 0 to 12.5 mm | ||
| Angle – degrees: | Minimum – mm | Maximum – mm |
| 0 | 0 | 2 |
| 18 | 1.04 | 3.04 |
| 36 | 2.65 | 4.65 |
| 54 | 4.25 | 6.25 |
| 72 | 5.75 | 7.75 |
| 90 | 7.09 | 9.09 |
| 108 | 8.24 | 10.24 |
| 126 | 9.17 | 11.17 |
| 144 | 9.85 | 11.85 |
| 162 | 10.26 | 12.26 |
| 180 | 10.4 | 12.4 |
| Step Variable 0 to 12.5 mm: | ||
| Angle – degrees: | Nominal Stroke – mm | |
| 0 | 0 | |
| 18 | 1.94 | |
| 36 | 3.83 | |
| 54 | 5.63 | |
| 72 | 7.29 | |
| 90 | 8.77 | |
| 108 | 10.03 | |
| 126 | 11.05 | |
| 144 | 11.79 | |
| 162 | 12.25 | |
| 180 | 12.5 | |
| Step Variable 12.5 to 25 mm: | ||
| Angle – degrees: | Nominal Stroke – mm | |
| 0 | 12.5 | |
| 18 | 13.05 | |
| 36 | 14.26 | |
| 54 | 15.97 | |
| 72 | 17.89 | |
| 90 | 19.8 | |
| 108 | 21.54 | |
| 126 | 23 | |
| 144 | 24.09 | |
| 162 | 24.77 | |
| 180 | 25 | |
| Controlled Parameters | Frequency | |
| Load | ||
| Temperature | ||
| Test Duration | ||
| Measured Parameters | Load | Low speed data |
| Friction (rms) | Low speed data | |
| Friction (instantaneous) | High speed data | |
| Friction Noise (time smoothed) | Low speed data | |
| Contact Potential (time smoothed) | Low speed data | |
| Contact Potential (instantaneous) | High speed data | |
| Stroke Position (instantaneous) | High speed data | |
| Temperature | Low speed data | |
| Frequency | Low speed data | |
| Number of Cycles | Low speed data | |
| Wear (with TE 77/WEAR) | Low speed data | |
| Derived Parameters | Friction Coefficient | Low speed data |
| Real-time Graphs | All low speed data (user selectable) | |
| Burst high speed data (user selectable) | ||
| ACCESSORIES & ADAPTERS | ||
| TE 77/WEAR On-Line Wear Monitoring System | ||
| Contact Configurations: | Ball on Plate | |
| Cylinder on Plate | ||
| Area Contact | ||
| Piston Ring on Liner | ||
| Displacement Range: | 0 to 1 mm | |
| Resolution: | 0.2µm | |
| Accuracy: | within 3 % | |
| Allowed Temperature: | – 20°C to 200°C | |
| Output Range: | 1 mV = 1µm | |
| STD-TE 77/GEAR/20 Gearbox for 20:1 Reduction | ||
| Frequency Range: | 0.1 Hz to 2.5 Hz | |
| STD-TE 77/GEAR/100 Gearbox for 1001 Reduction | ||
| Frequency Range: | 0.02 Hz to 0.5 Hz | |
| STD-TE 77/INERT Gas Enclosure | ||
| Maximum Pressure: | 120 mm water | |
| Maximum Temperature: | 200°C | |
| STD-TE 77/COOLER Cooler Pad | ||
| Minimum Temperature: | -50°C | |
| STD-TE 77/PUMP Peristaltic Pump and Drip Feed | ||
| Maximum Pump Speed: | 55 rpm | |
| Turn-Down Ratio: | 110:01:00 | |
| Flow Rates: | 0.02 to 2.3 ml/min with 0.5 mm bore tube | |
| 0.06 to 6.7 ml/min with 0.8 mm bore tube | ||
| 0.22 to 24 ml/min with 1.6 mm bore tube | ||
| Tube Wall Thickness: | 1 mm | |
| STD-TE 77/PIEZO Fretting Test Adapter | ||
| Type of Contact: | Ball/Flat | |
| Flat/Flat | ||
| Line/Flat | ||
| Type of Movement: | Sine, Square and Triangular | |
| Load: | 5 to 1000 N | |
| Friction Force: | +/-500 N Maximum | |
| Stroke – continuously variable: | 10 microns to 100 microns | |
| Resolution: | +/-0.2 microns | |
| Frequency – continuously variable: | 1 Hz to 100 Hz | |
| Maximum stroke at 100 Hz: | 30 microns | |
| Maximum stroke at 50 Hz: | 60 microns | |
| Maximum stroke at 20 Hz: | 100 microns | |
| STD-TE 77/EP-CAM Slide/Roll Adapter | ||
| Contact Configuration: | Plate on Cylinder (Line Contact) | |
| Roller Specimen Diameter: | 35 mm | |
| Roller Width: | 10 mm | |
| Plate Specimen: | 50 mm x 12 mm x 3 mm | |
| Load Range: | 1000 N | |
| Stroke Range: | 25 mm | |
| Maximum Frequency: | 20 Hz | |
| Maximum Rotational Speed: | 1000 rpm | |
| Servo Motor Power: | 400 W | |
| Temperature Range: | ambient to 100°C | |
| Heating Power: | 200 W | |
| Temperature Sensor: | k-type thermocouple | |
| STD-TE 77/EP-GEAR Slide/Roll Adapter | ||
| Contact Configuration: | Plate on Cylinder (Line Contact) | |
| Roller Specimen Diameter: | 42 mm | |
| Roller Width: | 5 mm | |
| Load Range: | 1000 N | |
| Stroke Range: | 25 mm | |
| Maximum Frequency: | 10 Hz | |
| Services | ||
| Electricity: | 220/240 V, single phase, 50/60 Hz, 3.2 kW | |
| Installation | ||
| Floor-standing machine: | 900 mm x 900 mm x 600 mm high, 250 kg | |
| Packing Specifications: | 1.33 m3. GW 410 kg, NW 310 kg | |
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