AMF Catalogue Hydraulic clamping systems Strana 292
Nabídka komerčních zákazníků **Nejlépe prodávané z AMF Spannsysteme
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Coupling elements No. 6989ME Coupling mechanism, installation design Q max. Weight [mm] Min. coupling force * [N] [l/min] [g] 4,5 94 8 14 350 4,5 94 8 14 5 500 4,5 98 12 25 ● 5 500 4,5 98 12 25 - 8 300 7,0 98 25 56 ● 8 300 7,0 98 25 56 Article no. for coupling under pressure for pressure-free coupling Nominal bore [NW] max. operating pressure [bar] Coupling stroke 328823 6989ME-03-01 ● - 3 350 327965 6989ME-03-02 - 3 328591 6989ME-05-01 ● ● - 328617 6989ME-05-02 - 328633 6989ME-08-01 ● 328658 6989ME-08-02 - Order no. * at 0 bar; corresponds to the spring force complete including coupling nipple spring Design: Cylinder body and internal parts made of stainless steel. Seals from NBR, Viton, POM and PU. Application: Couplings are used for the leakage-free connection of hydraulic oil supplies. 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 and disconnected at the maximum working pressure. Features: For connection, the coupling mechanism and nipple must be axially aligned. The mounting housings of the two parts must be guided approx. 2-3 mm before contact with the axial sealing surfaces. The radial position tolerance must not be exceeded. The coupling force between coupling nipple and mechanism due to hydraulic pressure is given by the formula NW3: F [N] = 9,4 x p [bar], NW5: F [N] = 15,4 x p [bar], NW8: F [N] = 31,4 x p [bar] and must be applied in a force-locking or form-locking manner from the outside. The coupling mechanism must seal at the bottom of the hole in which it is installed. The mounting hole must be machined to the specified accuracy and surface finish. Note: The axial sealing surfaces must be protected from dirt. Because the coupling elements have smooth, uninterrupted sealing surfaces, the danger of them collecting dirt is reduced, and the ease with which the user can clean them before the joint is made is increased. Good results can be achieved by washing them off and blowing clean with compressed air. Positioning tolerance in axial direction for all coupling elements: +0.5 mm. Positioning tolerance in radial direction for coupling elements: +/- 0.3 mm. Permissible angle tolerance: +/- 1°. Diagrams: Coupling force and flow resistance, see 6989N. On request: Other sizes available on request. NW 3+5 Dimensions: NW 8 Order no. (omitted with NW3) dia. A dia. B C E F G H dia. L M dia. N dia. O +0,1 +0,1 S T dia. U 328823 6989ME-03-01 11 14 21,5 - 9,5 29 - 11,2 7 5 7 4,5 - - 327965 6989ME-03-02 11 14 21,5 - 9,5 29 - 11,2 7 5 7 4,5 - - 328591 6989ME-05-01 14 19 21,5 2 9,5 29 12 11,2 7 5 7 4,5 - - 328617 6989ME-05-02 14 19 21,5 2 9,5 29 12 11,2 7 5 7 4,5 - - 328633 6989ME-08-01 20 24 31,0 - 15,5 44 - 18,0 9 12 10 4,5 13,5 21,6 328658 6989ME-08-02 20 24 31,0 - 15,5 44 - 18,0 9 12 10 4,5 13,5 21,6 NW 8: Installation dimensions NW 3+5: alternatively Article no. alternatively rounded edges rounded edges CAD Subject to technical alterations. 292 Hydraulic clamping systems ANDREAS MAIER GmbH & Co. kg ∙ Phone: +49 711 5766-196 ∙ Web: www.amf.de
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