Wheel Presses

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Wheel Presses are used to mount / dismount wheels and brake discs onto / from axles.  The Wheel Press will comprise a substantial steel frame with hydraulic cylinders to apply the necessary pressing loads.

The function of the Wheel Press depends on the required parameters of operation and the throughput required from the equipment.  For high production rates, it is often necessary to have separate dedicated machines for each stage of the process, whereas for lower production rates, all of the functions can be integrated into a single machine.

The main parameters to specify a Wheel Press are as follows:

Tonnage – the basic requirement for the machine is the press force required to fit or remove the wheels.  Typically, this falls in the range from 200 tonnes to 500 tonnes.

Single or Twin Cylinder – A twin cylinder machine can press on 2 wheels simultaneously without the need to reposition the wheelset.  The benefit of the machine over the single cylinder machine is the rate of production that can be achieved.

Mounting / Dismounting – In order to dismount wheels and brake discs the wheel press must be fitted with a reaction head. This enables the pressing force to be used to dismount the wheels and also allows brake discs to be pre positioned and then mounted together with the wheels in a single operation.

Proving – The Wheel Press may be set up to carry out proving operations, with a test graph produced and stored as proof of testing.  An mounting press may be used as a proving press, or a press can be designed specifically for proving operations if required.

Assembly Stand – An assembly stand can be used to set up the wheelset ready for assembly to increase the productivity of the equipment in operation.  For example, with an automated double cylinder Wheel Press, wheels and brake discs may be positioned ready on the axle on the assembly stand.  The wheelset is then moved into the Wheel Press, which automatically mounts the wheels and brake discs according to the required parameters.  During this automated cycle, the operator can then start to prepare the next wheelset for assembly on the assembly stand.

Monitoring – The Wheel Press will be fitted with a computer based monitoring and data storage system.  The system measures the pressing force and extension of the hydraulic cylinder(s), in order that records can be kept to prove the correct mounting of the wheels and brake discs.  The test results are stored on a database using the wheelset’s unique reference number and this information can also be linked through to the operator’s own IT / database system to allow remote access to the test data.

You can visit the BBM web site here.

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