BKC-TF Series – Metal Bellows Couplings

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Product Description

BKC-TF Series Metal Bellows Couplings provide the ideal complement to Magtrol’s  TF Series Torque Flange Sensors, when mounted in a drive train.

The torque transmission element consists of a metal bellows, clamping hubs for shaft ends and a flange element to connect with the TF Sensor. The couplings are both torsionally stiff and flexible in order to compensate for axial, angular and radial misalignment. The high torsional spring rate of the couplings ensures a high torsional stiffness and angular precision.

Design & Material

Bellows are made of highly flexible high-grade stainless steel. The hub material is made of aluminum stainless steel.

Use of an ISO 4762 radial clamping screw is required for clamping.

Features

  • Metal Bellows Couplings for use with Magtrol TF Series Torque Flange Sensors
  • Designed for transmission of High Torque
  • High Torsional Stiffness
  • Light and Compact Design
  • Radial Clamping Screw hub for smooth shaft
  • Easy to mount
  • Suited for space restricted installations
  • Balancing G 6.3 / ISO 1940 (G 2.5 optional)
  • Aluminum and Stainless Steel Construction

Specifications

ModelBKC-TF 60BKC-TF 150BKC-TF 800BKC-TF 1500
RATINGS
Rated Torque [N·m]1002001 0002 000
Maximum Torque [N·m] a)2004002 0004 000
Maximum Speed G 6.3 [rpm] or [min-1]10 0006 0004 5003 000
Maximum Speed G 2.5 [rpm] or [min-1]17 00013 00010 000
MISALIGNMENT
Axial [mm]1.522.5
Radial [mm]0.20.15
Angular [°]1
STIFFNESS & INERTIA
Torsional Stiffness [N·m/rad]9.31 x 1044.02 x 1051.94 x 1065.40 x 106
Moment of Inertia [kg·m2] x 10-30.5341.2812.778.33
MECHANICAL CHARACTERISTICS & ENVIRONMENT
Temperature Range [°]-30 ... +100
Diameter Range Ø[mm]H7 b)14...3519...4240...7550...80
Hub MaterialAluminumStainless Steel
Keyway c)NoYes
Approximate Weight [kg]0.71.06.310.0

a) Peak torque acceptable, only with keyway DIN 6885 (optional)
b) 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.
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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                    [post_content] => Magtrol’s TORQUE 10 Software is an easy to use Windows® executable program, used to automatically collect torque, speed, mechanical power and angle data from Magtrol TS Series Torque Sensors or Magtrol TM Series Torque Sensors by using Model 3411 Torque Display. The data can be printed, displayed graphically or quickly saved/exported as a Microsoft® Excel spreadsheet.

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Ordering Information

TORQUE 10 is now included with the purchase of a TS Series Torque Sensor or Model 3411 Torque Display.
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                    [post_content] => Magtrol’s Model 3411 Torque Display is designed for use with all Magtrol TS, TM, TMHS, TMB and TF Torque Transducers. This easy-to-use device powers the transducer and utilizes high speed processing to display torque, speed and mechanical power. It includes a tare function to help offset any slight residuals caused by couplings or suspended loads. The 3411 may also be used with any torque sensors requiring 24 V DC power (500 mA max.) with ± 5 V DC torque output (± 10 V DC max.) and open collector, TTL or CMOS output for the speed signal.
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                    [post_content] => With its compact, bearingless, maintenance-free design, the new TF 300 Series Torque Flange Sensor from Magtrol brings many appealing advantages to torque measurement applications. The TF’s high torsional rigidity supports direct mounting on the machine shaft or flange, avoiding the use of couplings on one side. This allows easy integration into a test system, shortens the overall length of the test bench and reduces costs.

Based on strain-gauge technology, the TF 300 Series Sensor’s precise telemetry system enables highly accurate signal transmission. A signal amplifier mounted in the measuring flange amplifies the measuring signal, modulates it to high frequency and transmits it inductively (via the HF transmitter) to the receiver. In the receiver, the digitized torque signal is transformed into an analog output signal of ±10 VDC. Rotational speed can be measured and converted to a TTL output signal with the optional speed pickup.

The contactless design of the Torque Flange Sensor permits a gap of up to 5 mm (typically 1 to 3 mm) between the rotor antenna and HF transmitter, which makes the signal acquisition insensitive to any axial or radial misalignment. Another advantage of this torque measurement system is its insusceptibility to signal interference—due to the fact that, unlike other designs, the antenna does not need to be looped around the sensor. Additionally, a protective cover can be mounted close to the sensor with no effect on the signal.

 

 
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