The block specimens may either be flat or conforming, allowing journal bearing type tests to be performed. The Pin on Vee Block/Block on Ring Adapter allows test to be run in pin on vee block test geometry and the twin block on ring geometry, with a test specimen loaded on either side of a rotating ring. Pin on Disc Accessories TE 67/LE Lubricant Enclosure Test may be run in pin/ball on disc mode according to the guidelines laid out in ASTM G99, DIN 50324 and ISO/DIS 7148-2 and in reciprocating mode according to ASTM F732.ĬOMPEND 2000 control and data acquisition software, in conjunction with Phoenix Tribology’s own USB interface module, provides automatic control of load, speed, temperature and test duration, combined with data logging of all measured parameters. The pin loading capsule is electrically isolated from the carrier block and a slip-ring is provide on the machine spindle, allowing measurement of contact potential, via a Lunn-Furey circuit.Ī sliding contact thermocouple is used to sense disc temperature.
Movement of the loading piston is measured with an LVDT as an indication of wear. Both steady and fluctuating loads can be applied. An in-line load cell measures the applied load and provides feedback for pneumatic load control. The test pin is inserted into a collet clamp on the loading piston. The pin carrier assembly can be rotated out of its locked horizontal position to allow access for changing specimens and examining the surfaces. The low rotational inertia of the carrier block about this axis ensures a good signal bandwidth for the friction measurement.
A strain gauge load cell is mounted at the rear of the pin carrier block, preventing the block pivoting about its axis, hence sensing the friction force on the pin.
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