液压计算工具
请从下方的菜单中选择您要计算的内容。请注意，小数用小数点分隔（例如 1.5），且这些计算结果仅供估算之用。PMC Hydraulics Group AB 对因公式和软件中的任何错误而造成的后果不承担任何责任。
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Hydraulic calculations
The calculations below must only be used to obtain estimates. PMC Hydraulics Group accepts no liability for the consequences that any errors in formulas and software may have.
Pump
Result
kW
Motor
Result
rpm
kpm
kW
Cylinder
Result
| Pushing | Pulling | Diff. | Unit | |
|---|---|---|---|---|
| Area | cm² | |||
| Ratio | ||||
| Volume | l | |||
| Force | ton | |||
| Stroke time | s | |||
| Velocity | mm/s | |||
| Return flow | l/min | |||
Accumulator
Leave one of accumulator volume, working volume, or pre-charge pressure blank to solve for it.
Result
The blank field is filled with the calculated value.
Pipe
Result
m/s
bar
Pressure drop
Calculations apply to orifices where the diameter exceeds the length of the constriction. Oil density used: 870 kg/m³, discharge coefficient: 0.7. Leave one field blank to solve for it.
Result
The blank field is filled with the calculated value.
Temperature development in tank
Result
h
°C
°C
Decompression time
Result
s
Throttling diameter
Result
mm
Unit conversion
Enter a value on either side, the other side updates automatically.
| Metric | Imperial | |||
|---|---|---|---|---|
| Pressure | bar | psi | ||
| Power | kW | hp | ||
| Length | mm | inch | ||
| Volume | cm³ | inch³ | ||
| Capacity | l | US gal | ||
| Temperature | °C | °F |