533706

PAULSTRADYN® w Ne ! Natural frequency : • axial 7 Hz • radial 3 to 5.5 Hz ADVANTAGES •Better than 90% isolation at 1.500 rpm (25 Hz). •Constant height over wide load range. •Stabilised characteristics during Service Life. •Simple to fit. •400 hours protection against salt spray*. •Design. * When mounted according to the recommendations given in the catalogue. Finite element modeling New formula SILTECH - Low increase of stiffness with frequency - Low creep 38 APPLICATIONS Anti vibration isolation for static equipment : - rotating machinery such as fans, air-conditioning, pumps, compressors, generator sets. - pipework, ceilings, transformers, electrical enclosures. DIMENSIONS Fig. 1 ØA ØI B N ØC E G ØA E Fig. 2 H J G ØI N ØC B D J F Designation Ref. Paulstradyn 4 533701 7 533702 12 533703 Paulstradyn 20 533704 30 533705 50 533706 Paulstradyn 70 533707 100 533708 130 533709 Paulstradyn Paulstradyn Paulstradyn 160 200 260 325 400 500 640 820 1050 1350 Nominal load Fig. ØA NL (daN) Dimensions (mm) B* ØC D E F G H ØI J N 4 7 12 1 40 40 M6 52 6.2 64 6.2 44 12 2.5 6 20 30 50 2 60 40 M6 76 6.2 90 8.2 64 32 2.5 6 70 100 130 2 80 40 M8 100 8.2 122 12.2 84 48 2.5 12 533710 533711 533712 160 200 260 2 100 40 M10 124 10.2 152 16.2 104 68 3 10 533713 533714 533715 533716 533717 533718 533719 325 400 500 640 820 1050 1350 2 150 40 M12 182 12.2 214 20.2 154 116 4.5 10 2 200 40 M16 240 14.2 280 24.2 204 159 5.5 20 * : Height, unloaded 40 mm, under load 32 mm (see Technical Characteristics). NL : Nominal static load with mounting under axial compression. 39 TECHNICAL CHARACTERISTICS The vibration attenuation and height characteristics under nominal load are stabilised after one month under load at 20°C. • Natural axial frequency 7 Hz, with nominal load. • Natural radial frequency 3 to 5.5 Hz. • Maximum displacement : Common characteristics - axial : 12 mm. - radial : ± 10 mm. Vibration attenuation Rotating speed (rpm) 900 1500 2100 2700 3300 3900 4500 5100 5700 20 90 AL =1 NL AL = 0.8 NL AL = 0.9 NL AL = 0.7 NL 80 70 14 10 80 60 50 AL Actual load ____ = Ratio _______________ NL Nominal load Attenuation (dB) Attenuation coefficient (%) 100 10 20 30 40 50 60 70 80 90 60 100 Excitation frequency (Hz) Height under load Temperature Operating temperature : - 20°C to + 70°C. Other characteristics* • Good dynamic performance at high frequency. • Withstands fatigue and shocks. • Reduced creep. * Detailed Technical Characteristics can be sent on request. Ask us for details. 40 MOUNTING Standard mounting ① machine base or foot dimensions > Ø M* ② supporting structure (floor) dimensions > base of mounting F x H* (refer page 39) ③ screw Ø C** ④ screw Ø K, a washer is required between the screw head and the PAULSTRADYN* ⑤ screw Ø K, a washer is required between the screw head and the PAULSTRADYN* Note : * to ditribute the load and resist corrosion ** nuts and screws grade 4.6 minimum. ON CONCRETE ON CHASSIS Fig. 1 Recommended torque Diameter K M6 M8 (mm) torque 5 2 N.m. Note : Do not paint the mountings after fitting. Alternative mounting 41 M10 M12 12 20