Ref: B4-2/E60, B6-2/E60, B8-2/E60

Slip Ring - Tubular - 4, 6 or 8 Circuits - 60 PPR Encoder - Rotor 50.8mm

  • Circuit number: 4, 6, 8
  • Maximum Rotation speed: 7000 rpm
  • Maximum Rotation speed via Encoder: 60 pulse per revolution
  • Lifetime: 20 to 100 million revolutions
  • Operating Temperature Range: -40°C to 121°C
  • Permanently lubricated bearings
  • Maximum Peak Noise: 0.1ohm
  • Width: 26.92 mm
  • 5 meters Bendix cable included

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Presentation

Michigan Scientific’s Bx-2/E60 Series Slip Ring Assemblies B4-2/E60, B6-2/E60, B8-2/E60 allows measurement signal transmission (thermocouples, strain gages, accelerometers) on a rotating shaft up to 51mm. The transmission is based on electric connexion between measuring signal circuits (rotor) and the stator. They are the result of 60 years of experience and the slip ring brushes and rings are made of precious metals which minimize noise and enable the assemblies to be used for low level instrumentation signals.

The B4-2/E60, B6-2/E60, B8-2/E60 slip ring have 4, 6, 8 circuits, allowing the acquisition of up to 3 full strain gage bridges or 6 thermocouples. Rotation is measured via a 60 pulse per revolution Encoder generating a 5-volt square wave. The TTL compatible signal is produced by a hall-effect sensor, which allows speed to be determined down to 0 rpm. The voltage required to drive the encoder can range from 5.5 to 45 DC volts.

As this assembly uses permanently lubricated bearings and solid silver alloy, along with their high-quality contacts, slip rings can be used constantly without any particular care. Degradation of the signal's quality can be observed after 50 to 100 million revolutions, more or less 100 000 kms on a standard passenger vehicle.

Mounting and dismounting

The B4-2/E60 can be easily mounted by putting the diameter shaft inside the rotor. In this version, the 50.8mm diameter can be adapted to smaller axial measurements. The slip ring assembly is secured to the shaft with six 8-32 set screws. Connections are made through color coded solder terminals located on the slip ring rotor and a connector on the slip ring stator. Redundant terminals are included to provide back-up connections. The compact width design of these slip rings makes them ideal for applications where limited space is available.

Collecting the stator's measurement signal is easily done by using the provided Bendix connector. No additional setup is required. The slip ring can be mounted and used in any application. Another great feature is the limited space it takes: 26mm and its reduced sensitivity to electromagnetic perturbations.

Applications

The tubular slip ring assembly with an optical encoder is particularly useful for drive shaft applications where both torque and thrust measurements are needed.

  • Torque measurements transmission
  • Rear axle measurements
  • Vibration measurements
  • Acceleration measurements
  • Brake measurements
  • Gearbox rendering measurements

Options and accessories

  • Strain gage and thermocouple amplifiers to connect between the sensor and the slip ring allowing the optimization of the signal's quality
  • Weatherproof version for outdoor applications
  • Encoder version for information transmission
Series
B-Serie
Mounting
Thru the bore
Circuits
4, 6, 8
Max rotation speed
7000 rpm
Wheatherproof
non available
Encoder
60 ppr
Courant maximal par voie
1 mA
Rotor Diameter
50.8 mm
Longueur
33 mm
Température de fonctionnement
-40 to 121 °C
Contacts rotor
Picots à souder
Contact Stator
Connecteur standard
  • Rotor diameter: 50.8 mm
  • Stator diameter: 94.7 mm
  • Length: 26.2 mm

Options and accessories

  • Strain gage and thermocouple amplifiers to connect between the sensor and the slip ring allowing the optimization of the signal's quality
  • Weatherproof version for outdoor applications
  • Encoder version for information transmission
  • Signal conditioning

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B4-2, B6-2, B8-2

Slip Ring – Tubular – 4, 6 or 8 circuits – 50.8mm – 7000rpm
Phone +33 1 46 91 93 36