3. Auxiliary control units
3.1 Power-assisted displacement control
The operating forces of closed-circuit pumps are generally high, depending on operating conditions.
To ensure precise, stable, low-effort operation, the pumps are equipped with hydraulic power-assisted controls, the schematic diagram of which corresponds to that shown in figure 19 .
The input for this assisted control can be mechanical (lever or cable), pneumatic (cylinder), hydraulic (low-pressure manipulator), electrical (electric cylinder) or electronic (servovalve).
Despite their high cost, servovalve solutions seem to be gaining ground to the detriment of others. They...
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Auxiliary control units
Circuit auxiliaries
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Standardization
Association française de normalisation AFNOR
- Transmissions hydrauliques. Brides carrées monobloc avec collets encastrés PN 250 et PN 400 - Dimensions. - NF E 48-054 - 12-98
- Transmissions hydrauliques. Brides et implantations rectangulaires avec collets encastrés PN 250 et PN 400 - Dimensions. - NF E 48-055 - 12-86
- Transmissions hydrauliques. Fluides. Méthodes de prélèvement en flacons sur un circuit...
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