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BK2 Series - Metal Bellows Couplings

BK2 Series - Metal Bellows Couplings
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BK2 Series - Metal Bellows Couplings - 1

METAL BELLOWS COUPLINGS FEATURES ▪ Metal Bellows Couplings for use with Magtrol TM, TMB, TMHS and TS Series In-Line Torque Transducers and Sensors ▪ Dedicated for transmission of High Torques ▪ High Torsional Stiffness ▪ Diameter Range: 10 ... 90mm ▪ Radial Clamping Screw hub for smooth shaft. ▪ Easy to mount. Fig. 1: BK2-80-94 | Metal Bellow Coupling DESCRIPTION BK2 Series Metal Bellows Couplings provide the ideal complement to Magtrol’s s TM / TMB / TMHS / TS In-Line Torque Transducers and Sensors, when these are to be mounted in a drive train. The torque transmission element consists of a metal bellows and 2 clamping hubs. The couplings are both torsionally stiff and flexible in order to compensate for axial, angular and radial misalignment when connecting two shaft ends. The high torsional spring rate of the couplings ensures a high torsional stiffness and angular precision. DESIGN & MATERIAL Bellows are made of highly flexible and high-grade stainless steel. The hub material is made of aluminium or steel (please see "Specifications" section). Clamping is done by a single ISO 4762 radial clamping screw per hub. For model 1500 and 4000, the clamping is performed by two opposite screws at 180 degrees. SELECTION TABLE In order to ensure a sufficient safety margin, Magtrol recom mends that couplings be sized according to the maximum torque supported by the torque transducer. It is strongly recommended to protect all rotating machine parts according to Safety Machine Norms for avoiding injuries. For further information, please contact our sales network who will be able to provide you with personal advice. TORQUE TRANSDUCER STANDARD MODELS TM / TMB / TMHS 309 DIAMETER RANGE © 2022 MAGTROL | Due to continual product devel

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BK2 Series - Metal Bellows Couplings - 2

BK 2 SERIES SPECIFICATION MODEL RATINGS Rated Torque MISALIGNEMENT Axial STIFENESS & INERTIA Torsional Stifness/ Torsional Spring Rate Axial spring stiffness Lateral spring stiffness MECHANICAL CHARACTERISTICS & ENVIRONMENT Temperature Range Diameter Range c) Hub Material Approximate Weight a) Brief overloads, acceptable up to 1.5 times the rated torque b) Higher speed available on request c) The standard versions are manufactured with integer values; the standard tolerance is H7. All diameters and tolerances are possible, within the defined max. range. Please contact our sales department....

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BK2 Series - Metal Bellows Couplings - 3

DIN or ANSI keyway (in option) NOTE: Original dimensions are in metric units. Dimensions converted to imperial units have been rounded up to 3 decimal places. BK2 - 80 - 94 - ø20mm a) The standard versions are manufactured with integer values; the standard tolerance is H7. All diameters and tolerances are possible.Please contact our sales department. BK2 - 300 - 111 - ø30mm b) For each clamp, the tightening is done by two screws. That means 4 screws in total for a coupling. a) Standard diameters are expressed in integer numbers and must be contained within the diameter range. For other...

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