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An application in a two-component-plastics-injection moulding tool. To mould a workpiece from two plastics components the front tool plate is reversed by 180° between both moulding procedures.
In the shown construction hydraulic hoses were used
for oil supply of the hydraulic core pull. At the swinging process these have been destroyed many times and leaking hydraulic oil has caused great damage. |
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Our customer Honsberg-Lamb GmbH use coupling technique by HYDROKOMP® for the pressure oil supply
of their fixture pallets.
In the loading and unloading station the connection
to
the threefold-coupling is achieved by lowering
the pallet. |
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HYDROKOMP®’s approach to this solution consisted
of offering a docking system in wich the jig pallets in
the loading and unloading station are not clamped by means of the clamping cones in order to absorb the coupling forces that arise.
This function is undertaken by the docking system itself.
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Reverse clamping devices offer great advantages for the production.
Besides the possibility to make multiside machining also multiple clampings can be realized (depending on the workpiece). For that, due to clamping quality and effectiveness hydraulic elements should be applied.
For oil supply HYDROKOMP® has developed a steady bearing which combines bearing, bearing clamping and rotary valve. |
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HYDROKOMP® was commissioned as a manufacturer of hydraulic clamping elements to design this device. For this purpose a clamping concept was developed in advance, together with production planning.
A rotary valve coupling is installed in the counter bearing so that only the upwardly facing side of the fixture can ever be clamped or unclamped. |
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Rotary valve couplings are used when a rotating unit
is to be supplied by energy.
Only a few companies offer combination elements which transmit several forms of energy within one version.
The electrical rotary connector controls hydraulic distribution
valves through which several clamping elements clamp the workpiece hydraulically. |
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Here you can read about coupling connection blocks for robot-changing devices and about an other application example for single coupling elements:
The coupling element as a pressure oil interface for a robot’s changing tool. |
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In complex assembly-, automatic assembling-
or production processes tool changers allow the
exchange
of follow-on tools.
Depending on the corresponding force density to
the tool either pneumatics or hydraulics are applied.
For both media it is economical, for hydraulics it is absolutely essential, that the coupling elements
operate leakage-free in coupled or uncoupled state. |
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For pressure oil transfer in the loading and unloading
station the fixture plate will be supplied over two
coupling elements with pressure oil.
With this coupling plate, a pressure and a tank line
can be connected together. Standardized coupling
elements with three, four, five, seven and eigth lines
are available. |
