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  • Via dei Martiri del XXI, 110 Bis 10064 Pinerolo (TO) Italy
  • +39 0121 376811

TBU Assembly Line

The double row taper roller bearings that are used in train wagon axles are named TBU (Taper Bearing Unit) or TAROL (Tapered Roller Bearing Unit). These bearings are clearance adjusted, greased and sealed in the manufacturing factory, i.e. they are units ready for mounting by press-fitting onto the axle journal in a single operation, while the end cap is fastened by a locking plate.
Provisions can be made for re-greasing through proper holes in the end cap or in the outer ring. The re-greasing holes in the end caps are provided with a plug screw or grease nipple, while re-greasing intervals are determined according to the respective application.

Dimensions of such bearings, required precisions and criticality of the application result in very few companies in the world that are really capable to manufacture reliable bearings for train wagon axles. Stringent certifications (e.g. IRIS in Europe and AAR in America) are required to engineer these products, to manufacture and to sell them.
The assembly phase itself of TBU is a quite complicated and long process. It consists in combining the two inner rings with single outer ring, with rollers and cages, assuring the proper axial clearance to the bearing by choosing the right spacer between the faces of the inner rings. It continues with assembly of sealing cups and of backing ring. Such operation is in most of the situations done manually, with high manpower needs, long through-put time and a certain risk to make mistakes.

ICT is able to offer to the TBU manufacturing companies the full automatization of the assembly process. Such solution allows one single operator to control the whole process and to assemble 1 bearing each 90 seconds, i.e. a potential of more than 300 TBU per shift.
These impressive results are possible through one unique robots line with 3 different stations (cells) that complete the whole assembly process as above described. The only responsibility of the operator is to feed the line with all components: IR, OR, rollers, cages, grease, spacers, sealing caps and backing rings. All the other operations are managed by robots.
The line is highly flexible, allowing quick change-overs from one bearing type to another in not more than 1 hour per each station.

Please get in touch with us at info@consulting-trading.com to request an appointment with our technicians and to receive more details about our TBU assembly line solution.

Look for the specific needs in the following pages and don’t hesitate to get in touch with us for any specific request you should have, writing to info@consulting-trading.com or filling the below contact form: in both cases we will provide our feedbacks within very short time.

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