The Piston Ring-Cylinder Bore Interface Leakage of Bent-Axis Piston Pumps Based on Elastohydrodynamic Lubrication and Rotation Speed

Table 2

The main parameters of the test rig.

Devices	Descriptions
The bent-axis piston pump	Displacement: 80.4 ml/r; operating pressure: 0–42 MPa; max self-priming speed: 2300 r/min flow sensor: 0.02–4 l/min, ±0.3%; pressure sensor: 0–60 MPa, ±0.05%
The main sensors	Speed sensor: 0–6000 r/min, ±1 rpm; temperature sensor: −25-100°C, ±0.8%