LFY-3000GW microcomputer-controlled rail static bending testing machine, developed and produced by Jinan Liling Testing Machine Co., Ltd., is a special testing equipment that fully meets the railway industry standards.

I. Product Positioning and Application Scope
LFY-3000GW microcomputer-controlled rail static bending tester is a special electro-hydraulic servo testing equipment, which is mainly used for static bending mechanical tests of various welded rails, and can accurately measure key indexes such as the maximum bearing capacity, failure test force, deflection and deformation of rail welded joints.
The equipment has a wide range of adaptation categories, which can complete the performance test and scientific research analysis of various rail welding joints such as common manganese-containing rails, copper-containing plain carbon steel rails, high-silicon copper-containing steel rails, copper rails, manganese rails and silicon rails, and fully serve rail welding bases, railway engineering laboratories, third-party testing institutions, rail transit research institutes and other units.

Second, the authoritative implementation of standards
This equipment strictly follows the current domestic railway standards and is compatible with some international standards.
TB/T1632.1-2014 Rail Welding Part 1: General Technical Conditions
TB/T1632.2-2014 Rail Welding Part 2: Flash Welding
TB/T1632.3-2014 Rail Welding Part 3: Thermite Welding
TB/T1632.4-2014 Rail Welding Part 4: Pneumatic Welding
TB/T 2344-2012 Technical Conditions for Ordering 43 kg/m ~ 75 kg/m Rails
TB/T3276-2011 Rail for High-speed Railway
Q/CR9204-2015 Management Standard for Engineering Laboratory of Railway Construction Project
The tooling parts meet the requirements of international standard EN14587-2.

Third, the highlights of core products
Relying on many years' experience in R&D and manufacturing of testing machines, LFY-3000GW has been upgraded in terms of structural design, experience, safety protection and testing accuracy:
1. Integrated four-column high-rigidity rack with stable and reliable data.
The equipment adopts a four-column frame structure with an oil cylinder on top, which has the advantages of high rigidity, high strength and small self-deformation, so as to avoid the frame deformation from interfering with the test data. With the piston rod guiding and supporting structure, it can effectively prevent the piston rod from deviating during loading, and ensure the loading coaxiality and test repeatability.
2. The whole process is non-step sensing technology, and the accuracy is unified throughout the process.
The load sensor and deformation sensor are designed without grading in the whole process, and the whole range shares a single resolution, which completely avoids the problems of data deviation and signal conflict in the range switching of traditional grading equipment, and the accuracy is always consistent regardless of small load preloading or ultimate failure loading.
3. Modular tooling, adapting to multi-specification rails.
Press heads and supports conforming to TB/T1632.1 and EN14587-2 standards are standard, which supports rapid disassembly and assembly, can meet the static bending test requirements of 50kg/m, 60kg/m and 75kg/m mainstream rails, and easily cover the full scene detection of ordinary speed railways, heavy-haul railways and high-speed railways.
4. humanized structural design, efficient and convenient operation
The whole machine follows the ergonomic design, creating a working environment of man-machine cooperation. It is equipped with a left and right movable feeding trolley, which is equipped with rolling rollers and telescopic guide support, and can easily complete the loading and unloading operation of 1.6m long rail specimens, greatly reducing the labor intensity.
5. Double anti-rollover design, suitable for positive and negative bending test.
According to the requirements of the iron standard, the equipment can complete two types of tests: positive pressure at the rail head and back pressure at the rail bottom; Anti-rollover mechanism with two side supports is added to the fuselage, which effectively eliminates the risk of rail rollover during the reverse bending test and further improves the test safety.
6. Enclosed explosion-proof protective cabin with full safety level.
The whole machine is equipped with a ship-cabin high-strength protective box, reinforced with thick plates and high-strength bolts, which has strong impact resistance. The closed protective structure around can prevent the fragments from splashing after the rail is broken, and at the same time, the operation space is reserved on both sides, which does not affect the normal loading and unloading.
7. Multi-level security protection, double protection of equipment and people.
It is equipped with hardware+software dual overload protection, with oil temperature over-temperature alarm, high oil pressure safety protection and independent fast overload protection channel. In case of abnormal conditions such as overload, over-pressure and over-temperature, the equipment can be stopped instantly to protect the safety of operators and host equipment.

Fourth, the applicable scenarios
Professional welding rail production base: used for batch sampling inspection, process evaluation and quality control of flash welding and thermite welding rail products;
Railway engineering project department/site laboratory: sampling and re-inspection of rail welded joints at track laying site to meet the requirements of engineering supervision and acceptance;
Third-party CMA testing organization: issue a legally binding test report on rail mechanical properties to meet the qualification evaluation standards;
Iron and steel enterprises and rail transit research institutes: research and development, comparative test and academic research of new rail materials and welding technology;
Railway public works overhaul section: quality check and inspection after repair and welding of old damaged tracks.

Track safety begins with every qualified rail weld. Jinan Liling LFY-3000GW microcomputer-controlled rail static bending testing machine, with high-standard hardware configuration, strict precision control and comprehensive safety design, strictly meets the standards of the standard railway industry and escorts the safe operation of the national railway lines.


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