Open Access
Table 1
Relevant parameters of electrohydraulic servo system of a certain type of CNC machine tool.
Parameter | Value | Parameter | Value |
---|---|---|---|
Pressure source of the system ps/Pa | 7 × 106 | Oil bulk modulus βe/Pa | 2 × 108 |
Return oil pressure of the system pr/Pa | 0 | Load mass m / kg | 180 |
Viscous friction coefficient B / (N·s/m) | 80 | Current gain of servo valve ki / (m/V) | 4 × 10−8 |
Initial volume of left cavity V01/m3 | 1 × 10−3 | Internal leakage coefficient Cτ/ (m5/(N·s)) | 7 × 10−12 |
Initial volume of right cavity V02/m3 | 1 × 10−3 | Discharge coefficient Cd | 0.6 |
Effective area of two cavities A / m2 | 2 × 10−4 | Orifice area gradient ω/m | 0.025 |
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.