FLENDER Standard Couplings - DS TECH

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FLENDER Standard Couplings Technical Information © Siemens AG 2011 Standards Formula symbols Machines Key to the formula symbols 2 2006/42/EC 94/9/EC 1999/92/EC DIN EN 13463 DIN EN 1127 DIN EN 50347 EC Machinery Directive (formerly: 98/9/EC) ATEX 95 Directive – Manufacturer – and ATEX Guideline to Directive 94/9/EC ATEX 137 Directive – Operator – and ATEX Guideline to Directive 199/92/EC Non-electric equipment for use in potentially explosive areas Potentially explosive atmospheres, explosion protection General-purpose three-phase induction motors having standard dimensions and output data Name Symbol Unit Explanation Torsional stiffness, dynamic C Tdyn Nm/rad For calculating torsional vibration Excitation frequency f err Hz Excitation frequency of motor or driven machine Moment of inertia J kgm 2 Moment of inertia of coupling sides 1 and 2 Axial misalignment ∆K a mm Axial misalignment of the coupling halves Radial misalignment ∆K r mm Radial misalignment of the coupling halves Couplings DIN 740 Flexible shaft couplings Part 1 and Part 2 VDI Guideline 2240 Shaft couplings - Systematic subdivision according to their properties VDI Technical Group Engineering Design 1971 API 610 Centrifugal Pumps for Petroleum, Chemical and Gas Industry Services API 670 Machinery Protection System API 671 Special Purpose Couplings for Petroleum, Chemical and Gas Industry Services ISO 10441 Petroleum, petrochemical and natural gas industries – Flexible couplings for mechanical power transmissionspecial-purpose applications Balancing DIN ISO 1940 DIN ISO 8821 Shaft-hub connections Requirements for the balancing quality of rigid rotors Mechanical vibrations; standard governing the type of parallel key during balancing of shafts and composite parts Angular misalignment ∆K w ° Angular misalignment of the coupling halves Service factor FB Factor expressing the real coupling load as a ratio of the nominal coupling load Frequency factor FF Factor expressing the frequency dependence of the fatigue torque load Temperature factor FT Factor taking into account the reduction in strength of flexible rubber materials at a higher temperature Weight m kg Weight of the coupling Rated speed n N rpm Coupling speed Maximum coupling speed n Kmax rpm Maximum permissible coupling speed Rated power P N kW Rated output on the coupling, usually the output of the driven machine Rated torque T N Nm Rated torque as nominal load on the coupling Fatigue torque T W Nm Amplitude of the dynamic coupling load Maximum torque T max Nm More frequently occurring maximum load, e.g. during starting Overload torque T OL Nm Very infrequently occurring maximum load, e.g. during short circuit or blocking conditions (450) 655-7447 info@pt-dstech.com www.dstech.ca DIN 6885 Driver connections without taper action – parallel keys – keyways SAE J620d Flywheels for industrial engines ... DIN 6288 Internal-combustion piston engines Connection dimensions and requirements for flywheels and flexible coupling ASME B17.1 Keys and keyseats DIN EN 50347 General-purpose three-phase induction motors with standard dimensions and output data BS 46-1:1958 Keys and keyways and taper pins Specification Rated coupling torque Maximum coupling torque Coupling overload torque Fatigue coupling torque T KN Nm Torque which can be transmitted as static torque by the coupling over the period of use. T Kmax Nm Torque which can be frequently transmitted (up to 25 times an hour) as maximum torque by the coupling. T KOL Nm Torque which can very infrequently be transmitted as maximum torque by the coupling. T KW Nm Torque amplitude which can be transmitted by the coupling as dynamic torque at a frequency of 10 Hz over the period of use. Resonance factor V R Factor specifying the torque increase at resonance Temperature T a °C Ambient temperature of the coupling in operation Damping coefficient ψ Psi Damping parameter 1275 Newton, local 15 Boucherville, Qc, Canada, J4B 5H2 2/6 Siemens MD 10.1 · 2011
© Siemens AG 2011 Coupling Preselection and Options 3 3/2 Selection of the coupling series 3/2 Selection and ordering data 3/6 Selection of the coupling size 3/6 Selection and ordering data 3/6 Coupling load in continuous operation 3/7 Coupling load under maximum and overload conditions 3/7 Coupling load due to dynamic torque load 3/7 Checking the maximum speed 3/7 Checking permitted shaft misalignment 3/7 Checking bore diameter, mounting geometry and coupling design 3/7 Coupling behavior under overload conditions 3/7 Checking shaft-hub connection 3/7 Checking low temperature and chemically aggressive environment 1275 Newton, local 15 Boucherville, Qc, Canada, J4B 5H2 3/8 Product code key 3/8 Overview 3/9 Features of the standard type 3/9 Ordering examples 3/10 Bore specifications 3/10 Options 3/10 Bore diameter - metric 3/10 Bore tolerance to DIN ISO 286 3/11 Bore diameter - imperial 3/12 Special types 3/12 Options (450) 655-7447 info@pt-dstech.com www.dstech.ca Siemens MD 10.1 · 2011
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© Siemens AG 2011 Taper Clamping B
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Available metric bore diameters in
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Available imperial bore diameters i
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Appendix © Siemens AG 2011 15 15/2
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© Siemens AG 2011 ■ Siemens Indu
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FLENDER Standard Couplings Appendix
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© Siemens AG 2011 Catalogs Industr
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FLENDER Standard Couplings - DS TECH

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