DescriptionThe STD-TE 37 Bowden-Leben machine is a conventional long stroke, low speed, reciprocati
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The STD-TE 37 Bowden-Leben machine is a conventional long stroke, low speed, reciprocating tribometer, combining an electro-mechanical ball-screw actuator and linear slide with the proven loading and friction measuring assembly of the TE 67 Pin on Disc Machine.
The pin specimen carrier assembly consists of a massive aluminium block pivoted about a vertical axis through its centre. A precision piston with a pin specimen holder is loaded vertically downwards directly above the contact point, by means of a servo-controlled pneumatic bellows, with a load range of 25-1.000 N at 7.5 bar operating pressure. An in-line compression load cell measures the applied load and provides load feedback for control. Both steady and fluctuating loads with a sine or triangular waveform can be applied.
The entire pin carrier assembly can be rotated out of its locked horizontal position thus separating the contact and allowing access for changing specimens and examining the surfaces.
| Maximum Load on Stage: | 2500 N |
| Actuator Maximum Stroke: | 280 mm |
| Maximum Sliding Speed: | 100 mm/s |
| Maximum Repetition Rate: | 0.3 Hz |
| Load Range: | 50 to 2500 N |
| Cyclic Loading Amplitude: | Up to 50% of set point |
| Cyclic Loading Type: | Sine wave or triangular wave |
| Cyclic Loading Rate: | 1 Hz maximum |
| Load Bellows Capacity: | 420 N/bar |
| Bellows Maximum Pressure: | 8 bar |
| Air Pressure for 2500 N: | 6 bar |
| Friction Force: | 0 to 50 N and 0 to 2.000 N |
| Displacement Measurement: | |
| Range: | 0 to 2.5 mm (LVDT) |
| Resolution: | 1 µm |
| Maximum Bath Temperature: | 200°C |
| Data Acquisition: | 12 bit resolution @ maximum 10 Hz |
| Controlled Parameters | Load |
| Traverse Speed | |
| Stroke Length | |
| Traverse Speed Profile | |
| Sample Lift, Drop and Dwell | |
| Test Duration | |
| Recorded Parameters | Load |
| Traverse Speed | |
| Stroke Displacement | |
| Friction Force | |
| Specimen Displacement | |
| Temperature (Ambient/Sample) | |
| Number of Cycles | |
| Test Duration | |
| Friction Coefficient | |
| Sliding Distance |
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