Spring clamping cylinder
Occasionally jams
Hydromechanical spring clamping cylinders from the ZSF series from Jakob Antriebstechnik are used as clamping elements wherever sliding or moving machine parts need to be temporarily clamped or locked.
The robust spring clamping systems work in a mechanical-hydraulic interaction. The clamping force is applied mechanically by a pre-tensioned disk spring assembly. The hydraulics are only required for the release stroke of the elements, which releases the tie rod or pressure bolt. This system provides a high level of operational reliability, as the clamping force is always maintained at the full level regardless of the oil pressure or leakage losses. During operation, the pressure or tension piston is alternately pressurized by the diaphragm spring assembly or hydraulic pressure.
The spring force increases as the oil pressure rises. The setting pressure is only required during initial installation for precise force adjustment; during the actual operating cycle, the cylinders are either depressurized or operated with release pressure. A hydraulic unit is required for operation, which should be equipped with a pressure gauge, a pressure relief valve, a switching solenoid valve and a pressure switching device, recommends the supplier. pb
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