Switch rollers make safe point changeovers possible. Compared to classic tongue devices with lubricated slide chair plates without a roller system, they significantly reduce the required actuating force. This protects the moving switch blades in the area of the blade root, reduces the environmental impact and significantly reduces both maintenance work and maintenance costs.
During the switch setting process, the switch rails of classic switch devices move over sliding chairs or sliding plates. For points without switch rollers, lubrication is used to reduce friction between these elements. However, environmental factors such as pollution or extreme temperatures can impair the efficiency of these lubricants. Depending on the lubrication and weather conditions, the point drive will need to apply different amounts of force to position the switch rail. In the worst-case scenario, pollution or lack of lubrication can even cause the point to block and consequently fail.
The switch rollers from CDP Rail Systems ensure that the point switch can be repositioned without lubrication. This completely removes the need for time-consuming lubrication of the slide chairs during maintenance, which significantly reduces the amount of effort required to maintain the railway points. The personnel and lubrication material costs are therefore reduced over the long term. The low-friction rolling also reduces the actuating power required to move the railway points by up to 60%, which results in significant energy savings during operation.
There are two different versions of the point system. A device with two rollers is used at the front of the turnout, where the switch blade travels the greatest distance. Due to the short travel distance, only one roller is required for the rear part of the railway point. The rollers themselves are corrosion-resistant and made of high-strength materials to minimise the effects of weather and wear. CDP Rail Systems provides 2 different solutions for switch rollers.
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No, the switch rollers of the switch rolling devices developed by CDP are lubricated for life and also have very good emergency running properties. Regular maintenance of the bearings is therefore not necessary, which contributes to considerable cost savings in maintenance.
Yes, CDP Rail Systems also provides on-site training for its customers. This training will involve instructing employees about the design and functioning of the switch roller. Instruction will also be provided on how to correctly install the roller and which points need to be considered when conducting an inspection. Our contact partners are always on hand to answer any further questions you may have regarding our training courses.
The intervals for inspecting the tongue device vary greatly depending on where it is used. CDP Rail Systems provides detailed instructions on how to service and inspect the switch roller. An inspection will be carried out either every 6 or 12 months, depending on the load on the switch fixture. If damage to a roller is discovered during an inspection, the affected parts can be replaced in a short time frame via CDP Rail Systems.
It is not possible to make a definitive statement about the payback time, since it depends on many factors and differs depending on where the switch roller is deployed. However, switch rollers from CDP Rail Systems have decisive benefits:
The cost of servicing is therefore significantly reduced. Downtimes as a result of malfunctions or repair measures are also minimised thanks to the outstanding reliability of our switch rollers.
We offer the right solution for both the integrated (IRV) and the clip-on switch roller (ARV) in accordance with the application area. Our portfolio for rollers includes products with the following properties:
A detailed overview can be found in our product catalogue, which you can download free of charge. Should you have any further questions, our contact partners are on hand to provide advice.
A classic switch device guides the switch blades on lubricated sliding chair plates, which requires regular maintenance.
The switch roller device replaces this sliding movement with a roller system that considerably reduces friction.
This significantly reduces both the force required for switching and the need for lubrication and maintenance.
The mechanical load on the switch blade is particularly high in the area of the blade root.
The blade rolling device ensures smooth movement here and reduces wear on the contact surfaces.
This increases the service life of the blades and noticeably reduces the maintenance effort in the switch system.
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