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EN 14587-2 Concrete Sleeper (rail seat) Static Load Testing Machine

EN 14587-2 Concrete Sleeper (rail seat) Static Load Testing Machine

Model: CWF series

UnitedTest CWF series Concrete Sleeper (rail seat) Static Load Testing Machine is designed to perform static tests according to EN 13230-2, EN 13230-3, and EN 13230-4 standards for prestressed monoblock and twin-block reinforced sleepers and bearers. It features a servo-hydraulic actuator rated to 500kN compression and articulated supports for rail seat positive load testing. 


General Introduction

UnitedTest CWF series Concrete Sleeper (rail seat) Static Load Testing Machine is designed to perform static tests according to EN 13230-2, EN 13230-3, and EN 13230-4 standards for prestressed monoblock and twin-block reinforced sleepers and bearers. It features a servo-hydraulic actuator rated to 500kN compression and articulated supports for rail seat positive load testing. 


EN 14587-2 Concrete Sleeper (rail seat) Static Load Testing Machine; Concrete Sleeper And Rail Fastening System Testing Machines are to be custom made per applications, it features door frame struture with large table space to accomodate different kinds parts for rails and different types of test setups, the actuator is free positionable on the top beam to fully utilize the horizontal space, it can perform both static and dynamic test requirements.


Conform with standard: 
EN 13230-2:2016 Railway applications - Track - Concrete sleepers and bearers - Part 2: Prestressed monoblock sleepers
EN 14587-2:2024 Railway applications - Infrastructure - Flash butt welding of new rails - Part 2: R200, R220, R260, R260Mn, R320Cr, R350HT, R350LHT, R370CrHT and R400HT grade rails by mobile welding machines at sites other than a fixed plant
EN 14730-1:2017 Railway applications - Track - Aluminothermic welding of rails - Part 1: Approval of welding processes


Key Features

  • Features
  • Standard electro-hydraulic servo oil source
  • Electrical Control Cabinet

Frame: The frame is a four-column structure with a fixed space structure.

EN 14587-2 Concrete Sleeper (rail seat) Static Load Testing Machine

Measurement and control system: It is composed of electro-hydraulic servo oil source, all-digital PC servo controller, electro-hydraulic control valve group, pressure sensor, extensometer to measure the deformation of the specimen, photoelectric encoder to measure displacement, PC measurement and control card for testing machine, multi-functional test software package, electrical control unit and other parts.

a. It is a load-adaptable oil inlet throttling speed control system, which is designed and manufactured according to standard modular units with mature technology, and is specially used for electro-hydraulic servo universal testing machine;
b. Imported oil pump and servo motor with mature technology are selected, with reliable quality and stable performance;
c. The load-adaptive throttle speed control valve developed and produced by the unique technology has stable system pressure, adaptive constant pressure differential flow adjustment, no overflow energy consumption, and is easy to carry out PID closed-loop control;
d. Pipeline system: pipelines, joints and seals are selected as groups with stable performance to ensure that the hydraulic system is sealed reliably and there is no oil leakage failure.

a. All the strong current components of the system are concentrated in the strong current control cabinet to realize the effective separation of the strong current unit and the measurement and control weak current unit, so as to ensure that the measurement and control system is not disturbed and works stably for a long time;

b. Manual operation buttons are set on the electric control cabinet, including power switch, emergency stop and oil source oil pump start and stop.

Main Technical Specification

Test Load500KN
Loading accuracy≤±1%
Load measuring range1% - 100% FS
Piston stroke550mm
Piston displacement resolution0.002mm
The maximum distance between compression platen600mm
Upper Compression platen size200×200mm
Lower Compression platen size200×200mm
Effective width800mm
Frame dimensions3000x720x2400mm
Control cabinet dimensions900x800x1200mm
Weight3500Kg
Power380V, 50HZ, 3 phase
Control modeComputer control servo, load, displacement image sampling and handling.
Gap sealing cylinderfast oil return speed and long working life



Main Accessories

Frame (500KN)1 set
Hydraulic oil loading system1 set
Measuring and control system (multiple channel)1 set
Load sensor(500KN)1 pc
Upper/lower compression, flexural loading fixture1 set
Computer (English Win11)1 set
Professional test software (English)1 set
Tools1 set
Documents (Manual, packing list, certificate)




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Beijing United Test Co., Ltd.