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Premium Quality Railway Wedge Product Details: Top Specs, Outstanding Features & Diverse Applications

PRODUCT PARAMETERS

material:cast steel/cast iron Processing Craft:Drawings→ mould making → die casting →rough machining → CNC machining→surface treatment →product checking→ packing →delivery Inspection:1.Foundry in-house: 100% inspection on critical dimension; 100% on appearance. 2.Third Party inspection available upon requirement Certificates: ISO9001, ISO14001, EN 15085 and IRIS Customization: OEM,ODM
Description
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Description

Overview of Railway Wedge

The railway wedge is one of the key components of the railway freight car bogie and plays a vital role in the operation of the vehicle. It is usually installed in the vibration reduction system of the bogie and works in conjunction with the side frame column wear plate, bolster wedge friction surface and other components to consume the vibration energy of the vehicle during operation through friction, convert the vibration and impact of the vehicle into heat energy and dissipate it, thereby effectively reducing the vibration and noise during the operation of the vehicle, improving the stability and comfort of the vehicle operation, and ensuring the safety and efficiency of railway transportation. Its design rationality and manufacturing quality directly affect the operation quality of railway freight cars and the service life of components.

railway wedge

Parameter Table of Railway Wedge

Parameter categoryParameter details
MaterialGenerally, high-strength, wear-resistant alloy steel or cast iron materials are used, such as ZG230-450 cast steel or QT450-10 ductile iron, to ensure good strength and wear resistance under complex stress environments.
DimensionsDepending on the different railway freight car bogie models, the dimensions vary. Common length ranges are between 200-400mm, width between 100-250mm, and height between 80-200mm. The specific dimensions must strictly comply with the corresponding bogie design requirements.
WeightDepending on the size and material, the weight varies, usually between 5-20kg.
Surface roughnessThe surface roughness of the key friction surface is required to be high, generally controlled below Ra3.2μm to ensure good friction performance and matching accuracy.
HardnessThe hardness range is usually between HRC30 – 50. The specific hardness value is determined according to the material and usage requirements to ensure sufficient wear resistance and impact resistance.
Tilt angleThe tilt angle of the wedge is one of the key parameters, generally between 2° – 5°. Different bogie designs have different requirements. This angle directly affects the performance of the vibration reduction system.

Features of Railway Wedge

  • High strength and wear resistance: Made of high-quality alloy steel or cast iron, after a special heat treatment process, the bevel wedge has high strength and good wear resistance. It can maintain stable performance and shape, reduce wear and extend service life under the complex load and friction during vehicle operation for a long time.
  • Accurate dimensional accuracy: Advanced processing equipment and precise manufacturing process are used to ensure that the dimensional accuracy of the bevel wedge meets strict design requirements. Accurate dimensions can ensure good coordination between the bevel wedge and other parts of the bogie, reduce vibration and noise during operation, and improve the stability of vehicle operation.
  • Optimized friction performance: Through special treatment of the friction surface of the bevel wedge, such as surface quenching, shot peening and other processes, the hardness and roughness uniformity of the friction surface are improved, and the friction performance is optimized. During the operation of the vehicle, it can provide stable and appropriate friction, effectively consume vibration energy, and achieve good vibration reduction effect.
  • Good anti-fatigue performance: The structural design fully considers the alternating load effect during vehicle operation, and adopts a reasonable structural form and reinforcement rib design to improve the anti-fatigue performance of the bevel wedge. It can withstand long-term, frequent vibrations and impacts without fatigue damage, ensuring the safe operation of railway freight cars.

Function of Railway Wedge

  • Vibration reduction function: When a railway freight car runs on the track, various vibrations and shocks will be generated. The wedge converts the vibration energy of the vehicle into heat energy and dissipates it through the friction between the side frame column wear plate and the rocker wedge friction surface, thereby reducing the vibration amplitude during the operation of the vehicle and improving the stability of the vehicle operation.
  • Guidance function: When the vehicle turns or passes through a curved track, the cooperation between the wedge and other parts of the bogie can guide the wheels to pass through the curve correctly, reduce the lateral force and wear between the wheel and the rail, and ensure the stability and safety of the vehicle operation.
  • Load-bearing function: As an important part of the bogie, the wedge bears part of the weight of the vehicle and various loads during operation. Its high-strength material and reasonable structural design can ensure stable load-bearing under various working conditions and ensure the normal operation of the vehicle.

Application of Railway Wedge

Railway wedges are widely used in all types of railway freight car bogies, including but not limited to bogies of open wagons, covered wagons, flat wagons, tank wagons and other models. In railway freight transportation, whether it is the transportation of bulk goods such as coal and ore, or the transportation of special goods such as containers and mechanical equipment, the efficient operation of railway freight cars is indispensable. As a key component to ensure the operating quality of railway freight cars, railway wedges play an important role in improving the stability of vehicle operation, reducing wheel-rail wear, and extending the service life of vehicles, providing strong support for the safety and efficiency of railway freight transportation. At the same time, with the continuous development of railway technology and the improvement of vehicle operating performance requirements, railway wedges are also constantly innovating and optimizing technology to meet the needs of different models and operating conditions.

Package of Railway Wedge

Polybag+Carton box+Wooden case/Pallet, according to customer’s request

package

Company Profile

Luoyang Fonyo Heavy Industries Co., Ltd. was founded in 1998, covers an area of 72,600㎡, with more than 300 employees, 32 technicians, including 5 senior engineers, 11 assistant engineers, and 16 technicians. It has been rated as Luoyang Engineering Technology Center, Luoyang Technology R&D Center, and National High-tech Enterprise for many times.
Our production capacity is 30,000 tons per year. Currently, we mainly produce cast steel, cast iron (gray iron, ductile iron, etc.), processing of finished product and component assembly for locomotive,railcar,high-speed trains, mining equipment,wind power,etc.Our products have been exported to Russia, the United States, Germany, Argentina, Japan, France, South Africa,Italy and other countries.

FAQS

Q1: Are you a manufacturer or trading company?
A: We are a manufacturer. Our company was founded in 1998, with nearly 30 years in casting industry, a total area of 72,600㎡, with a factory building area of 51,000㎡.
Q2. What are your main products?
A: We primarily focus on steel casting, iron casting, finished product machining, and component assembly production for locomotive, railcar, high-speed trains, mining equipment, wind power,etc.
Q3: How precision can you produce casting parts?
A: We have the capability of producing casting parts with different casting processes. The production is strictly comply with ISO 9001, ISO 14001 and ISO45001,EN15085, IRIS.
Q4. Can you produce according to the samples?
 Yes, we can produce by your samples or technical drawings. We can build drawings for you after we get your samples too.
Q5: How do you do Quality Control before delivery?
A: Quality inspection is a very important factor to guarantee the quality of steel casting parts. We follow 3 times of inspection during the whole production process. And we will provide material testing report, dimensional testing report, and mechanical properties testing report to our clients before delivery.

If you are interested in any products,please feel free to contact us.
Contact: Stella Liu
Email:sales@railwaypart.com

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