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Tuercas ferroviarias: Una descripción detallada de las especificaciones, Características y usos

PARÁMETROS DEL PRODUCTO

material:acero fundidoArtesanía de procesamiento:Dibujos → fabricación de moldes → fundición a presión → mecanizado en bruto → mecanizado CNC → tratamiento de superficie → control de producto → embalaje → entrega Inspección:1.Fundición interna: 100% inspección en dimensión crítica; 100% en apariencia. 2.Inspección de terceros disponible a pedido Certificados: ISO9001, ISO14001, EN 15085 y iris Personalización: OEM,ODM
Descripción
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Descripción

Overview of Railway Cap Nuts

Railway cap nuts are a type of high-performance fasteners designed for the railway engineering field, and are a special application type of cap nuts. They combine the protective characteristics of cap nuts with the railway engineering requirements for fasteners to be high-strength, high-reliability, resistente a la corrosión, and adaptable to complex environments. In key areas such as railway tracks, vehicle connections, and signal equipment installation, railway cap nuts play a vital role, effectively preventing bolts from loosening, preventing foreign matter from invading threaded connections, and ensuring a stable connection between various components of the railway system, thus ensuring the safety and stable operation of railway transportation.

cap nuts

Parameter Table of Railway Cap Nuts

Categoría de parámetroDetalles de los parámetros
Especificaciones y dimensionesThread specifications: Covering a variety of common railway specifications such as M6, M8, M10, M12, M16, M20, M24, etc., special specifications can be customized according to the specific railway component connection requirements.
Nut height: According to different specifications, the height range is between 8mm – 35milímetros, ensuring a close fit with the bolt and providing sufficient locking force.
Cap top diameter: 2milímetros – 5mm larger than the outer diameter of the nut, effectively covering the bolt head and providing good protection.
MaterialHigh-quality carbon steel: como Q235, Q345, etc., with high strength and good machinability, suitable for general railway environment.
Acero aleado: such as 35CrMo, 42CrMo, etc., with higher strength and toughness, suitable for railway parts that bear large loads and complex stresses.
Stainless steel: como 304, 316, etc., with excellent corrosion resistance, suitable for humid and highly corrosive railway environments, such as railway facilities in coastal areas.
Tratamiento superficialGalvanizing: divided into hot-dip galvanizing and electro-galvanizing, the thickness of the hot-dip galvanizing layer can reach 50μm – 80µm, with good corrosion resistance; the thickness of the electro-galvanizing layer is generally 5μm – 15µm, with beautiful appearance, suitable for occasions with slightly lower anti-corrosion requirements and attention to appearance.
Dacromet: The coating thickness is 6μm – 12µm, with excellent salt spray corrosion resistance, which can reach more than 1000 horas, and is suitable for railway parts with extremely high anti-corrosion requirements.
Phosphating: It can improve the wear resistance and corrosion resistance of the nut surface, while enhancing the adhesion with the lubricant, which is convenient for installation and removal.
Propiedades mecánicasGuaranteed load: According to different specifications and materials, the guaranteed load range is between 10kN – 300kN to ensure that the nut will not undergo plastic deformation when subjected to the specified load.
Dureza: The hardness of carbon steel nuts is generally between HRC20HRC30, the hardness of alloy steel nuts can reach HRC30HRC40, and the hardness of stainless steel nuts is usually around HRC25HRC35, so as to meet the use requirements under different working conditions.
Screwing performance: The nut should be able to be smoothly screwed into bolts of the same specifications and performance level, and there should be no stuck or biting during the screwing process.

Features of Railway Cap Nuts

  • Excellent protection performance: The unique cover design can effectively prevent rain, polvo, sand and other impurities from entering the threaded connection parts, avoid thread wear, rust and loosening caused by impurities intrusion, greatly extend the service life of fasteners, and reduce the maintenance cost of railway facilities.
  • High strength and reliability: The use of high-quality materials and advanced manufacturing processes ensures that the nuts have sufficient strength and bearing capacity, can withstand various complex loads and vibrations during railway operation, ensure the stability and reliability of the connection, and provide solid protection for railway transportation safety.
  • Buena resistencia a la corrosión: Through a variety of surface treatment processes, such as galvanizing, Dacromet, phosphating, etc., the nuts have excellent corrosion resistance and can adapt to different harsh railway environments, including moisture, spray de sal, corrosión química, etc., to ensure that no rust occurs during long-term use and maintain its stable performance.
  • Both beautiful and practical: The cover design not only provides good protection function, but also makes the appearance of the nut more neat and beautiful, and enhances the overall image of railway facilities. Al mismo tiempo, the smooth design of the cover top avoids scratching operators and surrounding equipment, and improves the safety of use.
  • Customized service: According to the specific needs of customers, we can provide customized services for railway cap nuts with different specifications, materiales, surface treatments and performance requirements to meet the personalized needs of various special railway engineering projects.

Function of Railway Cap Nuts

  • Conexión estrecha: Railway cap nuts are used in conjunction with bolts to tightly connect the various components of the railway system through the bite of the threads, ensuring that the relative positions between the components are fixed, bearing various forces and vibrations generated during the operation of the train, and ensuring the overall structural stability of the railway facilities.
  • Anti-loosening: The cap design increases the friction between the nut and the bolt to a certain extent, while preventing external factors from interfering with the threaded connection, effectively preventing the nut from loosening due to vibration, impacto, etc.. during long-term use, and ensuring the safe operation of railway equipment.
  • Protective thread: The cap covers the bolt head to form a physical barrier to prevent dust, humedad, chemicals, etc.. from entering the thread, reduce thread wear and corrosion, extend the service life of the threaded connection, and reduce the risk of equipment failure caused by thread damage.
  • Easy to install and disassemble: Reasonable size design and surface treatment process make the railway cap nut have good installation and disassembly performance. Operators can easily complete the tightening and loosening of the nut using conventional tools, which improves the installation and maintenance efficiency of railway facilities.

Application of Railway Cap Nuts

  • Railway tracks: used to fix track fasteners, pads, sleepers and other components to ensure the geometric stability of the track and the smoothness and safety of train travel. In projects such as high-speed railways and heavy-duty railways that require extremely high track stability, railway cap nuts play a key role.
  • Railway vehicles: used in the bogies, body connections, braking systems and other parts of railway vehicles to connect various components to ensure the structural integrity and performance stability of the vehicle during operation. Por ejemplo, at the vehicle connection, the use of railway cap nuts can ensure the tightening of the connecting bolts to prevent the vehicle from loosening or separating during driving.
  • Signal equipment: Railway signal equipment is an important facility to ensure the safety of railway driving. Railway cap nuts are used to fix the mounting brackets and connecting parts of equipment such as signal machines, track circuits, and switch machines to ensure the stable operation of signal equipment and accurately transmit driving signals.
  • Electrified railways: In the contact network system of electrified railways, railway cap nuts are used to fix contact wires, load-bearing cables, support devices and other components to ensure the stability of the contact network and the reliability of electrical connections, and provide a stable power supply for electric locomotives.
  • Railway bridges and tunnels: used for steel structure connection of railway bridges, installation and fixation of equipment in tunnels, such as bridge railings, lighting equipment and ventilation equipment in tunnels, etc., to ensure the safety and normal use of bridge and tunnel facilities.

Paquete de Tuercas ferroviarias

Polybag+caja de cartón+caja de madera/palé, según la petición del cliente

paquete

Perfil de la empresa

Industrias pesadas Co. de Luoyang Fonyo., Limitado. fue fundada en 1998, cubre un área de 72,600㎡, con más de 300 empleados, 32 tecnicos, incluido 5 ingenieros superiores, 11 ingenieros asistentes, y 16 tecnicos. Ha sido calificado como Centro de Tecnología de Ingeniería de Luoyang., Tecnología Luoyang R&Centro D, y Empresa Nacional de Alta Tecnología por muchas veces.
Nuestra capacidad de producción es 30,000 toneladas por año. Actualmente, Producimos principalmente acero fundido., hierro fundido (hierro gris, hierro dúctil, etc.), Procesamiento de producto terminado y ensamblaje de componentes para locomotoras.,automotor,trenes de alta velocidad, equipo de minería,energía eólica,etc. Nuestros productos han sido exportados a Rusia, los estados unidos, Alemania, Argentina, Japón, Francia, Sudáfrica,Italia y otros países..

Preguntas frecuentes

Q1: ¿Es usted un fabricante o una empresa comercial??
A: somos un fabricante. Nuestra empresa fue fundada en 1998, con casi 30 años en la industria de la fundición, una superficie total de 72.600㎡, con un área de construcción de fábrica de 51,000㎡.
Q2. ¿Cuales son sus principales productos??
A: Nos centramos principalmente en la fundición de acero., fundición de hierro, mecanizado de producto terminado, y producción de ensamblajes de componentes para locomotoras., automotor, trenes de alta velocidad, equipo de minería, energía eólica,etc..
Q3: ¿Con qué precisión se pueden producir piezas de fundición??
A: Tenemos la capacidad de producir piezas de fundición con diferentes procesos de fundición.. La producción cumple estrictamente con ISO. 9001, ISO 14001 e ISO45001,EN15085, IRIS.
Q4. ¿Puedes producir según las muestras??
 Sí, Podemos producir según sus muestras o dibujos técnicos.. También podemos crear dibujos para usted después de recibir sus muestras..
Q5: ¿Cómo se realiza el control de calidad antes de la entrega??
A: La inspección de calidad es un factor muy importante para garantizar la calidad de las piezas de fundición de acero.. seguimos 3 tiempos de inspección durante todo el proceso de producción. Y proporcionaremos un informe de prueba de materiales., informe de prueba dimensional, y informe de pruebas de propiedades mecánicas a nuestros clientes antes de la entrega.

Si estás interesado en algún producto.,no dude en contactarnos.
Contacto: Estela Liu
Correo electrónico:[email protected]

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