AMF Catalogue Hydraulic clamping systems Strana 296
Nabídka komerčních zákazníků **Nejlépe prodávané z AMF Spannsysteme
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Coupling elements No. 6989MA Automatic coupling mechanism, threaded design CAD max. operating pressure [bar] Min. coupling force * [N] max. coupling force [N] Q max. [A] Nominal bore [NW] [l/min] [g] M36 x 1,5 5 350 130 5,39 12 206 M36 x 1,5 5 350 130 5,39 12 206 Article no. for coupling under pressure for pressure-free coupling Thread 567056 6989MA-05-01 ● - 567057 6989MA-05-02 - ● Order no. Weight * At 0 bar Design: Body and internal parts made of stainless steel. Seals made of NBR, Viton and FKM. Application: The coupling is used for loss-free transfer of liquid and gaseous media The coupling elements are installed in a body. The sealing between coupling mechanism and nipple is axial, and installed in the coupling mechanism. If the seal is worn, it can be replaced. The coupling mechanism must always be used in combination with a nipple of the same system. Depending on the version, the couplings can be connected at the maximum operating pressure. The patented automatic coupling mechanism on the system connects coupling components and/or components without additional stroke. For example, the hydraulically actuated system dispenses with the lifting device otherwise needed on rotary tables of machine tools Shuttle tables or pallets can be coupled to the rotary table solely by radial movement. Features: Wherever no coupling stroke is possible, this coupling can be connected at a separate control pressure. The gap between coupling nipple and coupling mechanism can be between 0.6 and 1.0 mm. The faces of the coupling surfaces on coupling nipple and coupling mechanism are flat. The user can therefore position them for connection from any axial and/or radial position subject to compliance with the positioning tolerance. The coupling stroke is then performed by an integrated control piston A. It is possible to control individual couplings in a targeted manner. Control pressure A should be applied at the same pressure as medium pressure P. With control connection A depressurised, the coupling mechanism is always in its default position. The coupling force between coupling nipple and mechanism due to hydraulic pressure is given by the formula F [N] = 15.4 x p [bar] and must be applied in a force-locking or form-locking manner from the outside. The coupling element can be operated in double-acting or single-acting mode. If it is operated in single-acting mode, connection B must be used to ventilate the housing. To increase operational safety, we recommend double-acting operation. Advantage: - no additional coupling stroke required - can be connected without pressure - targeted activation of individual couplings is possible - coupling elements made of stainless materials. Note: The axial sealing surfaces on the front must be protected from soiling. Because the coupling elements have smooth, uninterrupted sealing surfaces, the danger of them being soiled is reduced, and the ease with which the user can clean them before the coupling process is increased. Good results can be achieved by washing them off and blowing clean with compressed air. Spacing of nipple/mechanism: 0.8 mm +/- 0.2 mm Positioning tolerance in radial direction with coupling elements: +/- 0.2 mm Operating temperature: -10°C to +80°C Assembly tool for sealing ring: Order no. 551864 Screw-in tool: Order no. 567094 Installation dimensions: Subject to technical alterations. 296 Hydraulic clamping systems ANDREAS MAIER GmbH & Co. kg ∙ Phone: +49 711 5766-196 ∙ Web: www.amf.de
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