DescriptionThe STD-TE 33 Engine Tribometer is a two-station, vertical axis, long stroke reciprocati
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The STD-TE 33 Engine Tribometer is a two-station, vertical axis, long stroke reciprocating tribometer, which combines the reciprocating drive mechanism from the TE 77 High Frequency Friction Machine with the specimen tooling of the STD-DN 55 High Temperature Dry Sliding & Fretting Test Machine.
The test assembly is located vertically above the reciprocating drive assembly and comprises two fixed specimen arms supported on flexural pivot bearings, which are in turn mounted on linear flexure assemblies. Motion in a vertical direction is restrained by piezo force transducers.
As each arm reacts against its own independent transducer, the friction between the each moving specimen and each fixed specimen is monitored independently. This allows two different material pairs to be tested simultaneously under identical conditions of load and temperature.
| Contact Configurations: | Point Contact | |
| Line Contact | ||
| Area Contact | ||
| Optional Configurations: | Piston-Ring (complete) on Cylinder Liner | |
| Valve Stem on Valve Guide | ||
| Load Range: | 5 to 1000 N | |
| Loading Rate: | 50 N/s | |
| Temperature Range: | ||
| Electric Furnace: | 1000°C | |
| Temperature Sensor: | k-type thermocouple | |
| Frequency Range: | 2 to 50 Hz | |
| Stroke Range: | See following tables | |
| Friction Transducer: | Piezo-Electric Type | |
| Force Range: | – 500 to 500 N | |
| Interface: | Serial Link Interface Module | |
| Software: | COMPEND 2000 | |
| Motor: | 1.1 kW a.c. vector motor with 2048 ppr encoder | |
| 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: | ||
| 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 | |
| Friction | ||
| Temperature | ||
| Frequency | ||
| Friction Coefficient | ||
| Services | ||
| Electricity: | 220/240 V, single phase, 50/60 Hz, neutral & earth, 4.5 kW | |
| Clean, dry air: | 4 cfm at 8 bar (120 psi) |
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