Germany
Manufacturer/ Producer
Germany
Hydraulic Cylinders We specialise in the customer-specific manufacture of single and double-acting hydraulic and pneumatic cylinders. Telescopic cylinders are also part of our production programme. We develop and design cylinders to customers prescribed boundary conditions or manufacture according to customer drawings provided. We develop and design cylinders to customers prescribed boundary conditions or manufacture according to customer drawings provided. Your wishes have priority - from the design to the final inspection:
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Cylinder Components By components we mean fully mechanically machine parts not only for hydraulics but also for other industries and applications. These include cylinder liners manufactured in peeled and rolled versions or with honed inside surface, with trunnions, flanges, fork heads, bearing eyes or other connections. But also associated piston rods, pistons and rod guides as well as also for example guiding columns for plastic injection moulding machines, tie rods for hydraulic jacks, rollers for paper machines etc. Our product range has increased many times over. Please send us the drawing of your parts. We will give you our opinion and make you an attractive offer.
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Contract Manufacture We also make our machining facilities available to businesses that just want to outsource specific production processes. Here we focus on being used in the field of deep drilling, peeling and rolling, and in honing. We are also happy to make our capacity available in the field of machining, welding and blasting and painting. In particular by the extension of our machining capacity by several CNC-controlled 4-axle turning centres with driven tools, a modern welding plant for tubes up to 16,000 (18,000) mm length and an efficient paint shop, further capacities have been created here.
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Power units and Control Systems Ruhfus Systemhydraulik GmbH specialises in the production of special solutions in the field of hydraulic units for industrial use. In order to be able to optimise the product to meet your requirements, you will be supported during the whole project phase by our competent team. Ruhfus Systemhydraulik GmbH can supply hydraulic units with tank sizes of up to 10,000 litres capacity. For this we use DIN oil tanks but also special tanks that are individually adapted to your needs. Here it is immaterial whether the oil tank is made of steel, stainless steel or aluminium. For special designs such as table valves, tank support frames, supporting structures for motor pump units and many more special components connected with your hydraulic unit we are of course likewise the right people to contact. For each of our hydraulic units, 3D models are generated beforehand which can be made available to you. From these you can plan earlier the field piping, possible foundations or building and also transport or other matters in detail. For the drives of our hydraulic units we use standard electric motors with a power of up to 80 kW. On request the motors can also be equipped with a frequency converter. As the valve technology, as well as the oil supply unit, are always subject to customer-specific requirements, limits are always hard to define here. As far as possible only two limits should not be exceeded, on the one hand a maximum volume flow of 275 l/min and on the other a maximum system pressure of 315 bar. Furthermore we can offer you the supply of a complete system of cylinder and hydraulic unit to electric control. If you a seeking a competent partner in the “complete solution” area, we will be glad to support you with our team. 3 D Models
Request for a quoteWe, Ruhfus Systemhydraulik GmbH, are a long-established company which was founded back in 1907. The purpose of the company is constructing and manufacturing customer-specific hydraulic cylinders and related semi-finished products. We also supply hydraulic systems, including all pipework and control systems. We specialise in: Deep drilling, peeling and plain rolling, honing, turning, milling, automatic and robot-assisted welding, and assembly of hydraulic cylinders. EN ISO 9001 certification.
Manufacturer/ Producer
Büdericher Straße 7
41460 Neuss - Germany
Germany
The COMPENSER® of the DC-series is an ideal hydraulic shock reducing element especially for the application field of storage technology (storage and retrieval machines). As a doubleacting buffer, this industrial shock absorber can be used in a spacesaving manner due to its design and can be actuated alternately from both sides. The constructive design and function corresponds to the C-Type. Furthermore, due to its low reset force, it can easily be pressed in at creep speed during operation. As optional equipment PU caps as inserts for the impact cap for the reduction of impact noise and a monitoring of the piston rod‘s position (by either magnetic or inductive sensors) are available. If only a slight increase of reset force of the piston rod over the entire stroke is desired, an additional external accumulator can be fitted to the cylinder to increase the gas volume of the gas spring. Hence the reset force decreases in retracted state.
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The COMPENSER® of the KL-series is an industrial shock absorber for light mechanical engineering, e.g. handling equipment, small storage and retrieval machines and small crane systems. Due to the low reset force of the compression spring, this buffer of the KL-series is well suited for operational push-in cycles at creep speed. Design & Function: The piston rod 2 pushes the piston 6 into the pressure chamber 7. At the same time, the damping medium flows through the metering grooves placed in the outer tube 8, via the piston 6 and into the volume balance chamber 5. The return spring 3 is tensioned and, after the impact has occurred, pushes the piston rod 2 back to the initial position. By this the damping medium flows back into the pressure chamber 7.
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The preferred field of application for the (gas) hydraulic industrial buffer (COMPENSER®) of the S-series is in the medium to heavy engineering industry sector. As a heavy duty shock absorber it is used in large crane systems (e.g. harbour crane, shipyard crane or container crane), metallurgical plants, rolling mills, loading systems or as end stop integrated in a rail buffer stop. Design & Function: The gas-filled inner tube 2 enters the outer tube 9. The damping medium flows from the pressure chamber 6 through the throttle orifices 8 of the metering tube 7 into the volume balance chamber 5. The separating piston 4 simultaneously moves in the direction of the impact cap 1 and compresses the nitrogen gas filling. In the gas space 3, the energy is stored which is required for the reset of the inner tube. When the inner tube 2 returns to the initial position, the separating piston 4 moves in the opposite direction and presses the damping medium back into the pressure chamber 6.
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The hydraulic industrial shock absorber of the C-series (COMPENSER®) is the ideal hydraulic buffer for storage and retrieval machines or smaller conveyor systems, crane systems, test stands etc. in light to medium mechanical engineering. Due to its short design, this hydraulic buffer (COMPENSER®) can be used in a spacesaving manner as limitation of the end position (as emergency end stop) in industrial applications. In addition, the low reset force allow operational pushin cycles at creep speed. Design & Function: The piston rod 2 enters the metering tube 3. The damping medium flows from the pressure chamber 6 through the throttle orifices 4 of the metering tube 3 into the volume balance chamber 5. The nitrogen gas between the outer tube 7 and the metering tube 3 is compressed and stores the energy required for the reset of the piston rod. When the piston rod 2 returns to the initial position, the damping medium flows back into the pressure chamber 6.
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