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1976•Revue Générale des Chemins de FerRequires access

BRAKING EQUIPMENT FOR THE FUTURE TRAINSETS

P Romestain, G Avouac

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Abstract

The problem was to brake a weight of 410 tonnes travelling at a speed of 300 km/h on a line with gradients of 3.5% percent. Research and tests enabled the advantages and drawbacks of the different types of dynamic brakes and friction brakes to be determined at high speeds. The equipment adopted includes a rheostatic brake complying with UIC regulations on the axle motors and a disc brake on the carrying axles. All axles are also fitted with a double shoe cast iron brake applied to each wheel for speeds below 200 km/h. The authors then consider performance and the distribution of braking forces, the use of the brakes and their operation.

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What this paper is about

The problem was to brake a weight of 410 tonnes travelling at a speed of 300 km/h on a line with gradients of 3.5% percent. Research and tests enabled the advantages and drawbacks of the different types of dynamic brakes and friction brakes to be determined at high speeds. The equipment adopted includes a rheostatic brake complying with UIC regulations on the axle motors and a disc brake on the carrying axles. All axles are also fitted with a double shoe cast iron brake applied to each wheel for speeds below 200 km/h. The authors then consider performance and the distribution of braking forces, the use of the brakes and their operation.

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Available abstract

The problem was to brake a weight of 410 tonnes travelling at a speed of 300 km/h on a line with gradients of 3.5% percent. Research and tests enabled the advantages and drawbacks of the different types of dynamic brakes and friction brakes to be determined at high speeds. The equipment adopted includes a rheostatic brake complying with UIC regulations on the axle motors and a disc brake on the carrying axles. All axles are also fitted with a double shoe cast iron brake applied to each wheel for speeds below 200 km/h. The authors then consider performance and the distribution of braking forces, the use of the brakes and their operation.

Key concepts: Axle, Automotive engineering, Brake, Electronic brakeforce distribution, Brake shoe, Disc brake, Brake pad, Hydraulic brake

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