- Ciudad de ChangChun, Provincia de Jilin, Porcelana
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Welcome to this in-depth engineering analysis of the Almohadilla de insonorización y aislamiento térmico FAW asamblea. este es el completo, 5-pedazo, multi-component kit for the FAW Jiefang CA4251P66K24T1A3E5 6×4 tractor semirremolque diésel. This is not an optional trim; it is a critical engineering system designed with a dual “lógica”: to create a quiet, cómodo, and safe operating environment for the driver by aggressively managing Noise, Vibración, y dureza (Nvh).
El Almohadilla de insonorización y aislamiento térmico FAW assembly is a set of pre-molded, die-cut panels that line the cab’s “cuerpo en blanco” (the bare metal shell). It lines the firewall, piso, and rear wall. su principal “lógica” is to isolate the driver from the three main sources of discomfort: 1) low-frequency engine/drivetrain noise, 2) high-frequency road/tire/wind noise, y 3) intense heat soak from the engine, transmisión, and exhaust.
Esta guía detallada es esencial para los técnicos., taxi & especialistas en chasis, y gerentes de repuestos. Deconstruiremos todo Almohadilla de insonorización y aislamiento térmico FAW equipo, breaking it down into its three distinct Minimum Serviceable Unit (Universidad Estatal de Michigan) tipos (A, B, y C). We will analyze the material science, acoustic logic, and thermal logic of each component.
La primera función del Almohadilla de insonorización y aislamiento térmico FAW is acoustic management. A cab-over-engine truck places the driver directly on top of the primary noise source. Without this assembly, the in-cab noise level would be deafening, leading to rapid driver fatigue and potentially violating occupational health regulations.
El “lógica” of these pads is not to *absorb* sound, but to *block* it. This is a common misconception. The pads are a “limp mass barrier.”
1. Mass-Loaded Vinyl (MLV): El núcleo de la Almohadilla de insonorización y aislamiento térmico FAW is a thin, heavy layer of Mass-Loaded Vinyl (MLV). This material is a high-density, polímero flexible. Es “lógica” is simple physics: when sound waves (which are just pressure waves in the air) hit this heavy, “muerto” mass, they do not have enough energy to move it. The sound wave’s energy is reflected back towards the source (the engine bay) or dissipated as a tiny amount of heat.
2. Decoupling Foam Layer: The MLV layer is attached to a layer of closed-cell foam. This foam’s “lógica” es “decoupling.” It creates an air gap that isolates the MLV barrier from the cab’s metal floor. esto es critico. Sin él, the vibrations from the engine would travel *through* the metal floor and cause the MLV to vibrate, turning *it* into a speaker. The foam layer breaks this path of “structure-borne” ruido.
This combined-material “lógica” is what allows the Almohadilla de insonorización y aislamiento térmico FAW to effectively block the two worst types of noise: the low-frequency “zumbido” of the diesel engine (managed by the MLV) and the high-frequency “gimoteo” of the transmission and road/tires (managed by the foam).
el segundo, equally critical function of the Almohadilla de insonorización y aislamiento térmico FAW is thermal management. The cab floor sits directly above the engine, transmisión, and the main exhaust system, all of which can reach hundreds of degrees.
Esto crea un “remojo en calor” that makes the cab floor dangerously hot, overwhelms the air conditioning system, and can even melt the glue holding the cab’s vinyl flooring. El “lógica” of the insulation is to fight all three types of heat transfer.
1. Capa de lámina reflectante (Radiant Heat): Many of these pads, especially ‘Pad A’, will have a reinforced, heat-reflective foil layer on the side facing the engine/exhaust. El “lógica” of this layer is to reflect *radiant heat*. The exhaust system, like a red-hot ember, radiates intense infrared energy. This foil layer acts like a mirror, reflecting up to 95% of this radiant energy back *away* from the cab floor.
2. Fibrous Mat Layer (Conductive/Convective Heat): The bulk of the Almohadilla de insonorización y aislamiento térmico FAW is a thick, fibrous mat (made of jute, synthetic fibers, or fiberglass). El “lógica” of this layer is to trap air. Trapped, unmoving air is one of the best insulators in the world. This layer effectively stops *conductive* heat (heat transferring directly from the hot transmission tunnel to the pad) and *convective* heat (hot air rising from the engine bay).
By combining these layers, el Almohadilla de insonorización y aislamiento térmico FAW assembly keeps the cab floor cool and comfortable, reduces the load on the A/C system (saving fuel), and protects all interior plastics and wiring from thermal damage.
El Almohadilla de insonorización y aislamiento térmico FAW el montaje es un “equipo” de 5 total pads, broken into 3 distinct MSU part numbers. Este “lógica” is for manufacturing and service.
Universidad Estatal de Michigan 1: ‘Soundproofing/insulation pad A’ (5109631-A01) – Cantidad 1
El “lógica” of this being a single, unique part (Cantidad 1) means it is the largest, most complex pad. This is the **Firewall Pad**. es un solo, grande, 3D-molded piece that contours perfectly to the complex shape of the cab’s firewall. It will have precision-cut, reinforced holes for the steering column, pedal assembly, and main electrical harness pass-through. This is the most important pad for blocking engine noise and heat.
Universidad Estatal de Michigan 2: ‘Soundproofing/insulation pad B’ (5109632-A01) – Cantidad 2
El “lógica” of this part being a pair (Cantidad 2) significa que es un “Izquierda” y “Bien” colocar. These are the **Floor Pan Pads**. They are die-cut to fit the floor pan on either side of the transmission tunnel, running from the firewall back to the seat mounts. They are the primary barrier against transmission heat/noise and road/tire noise.
Universidad Estatal de Michigan 3: ‘Soundproofing/insulation pad C’ (5109633-A01) – Cantidad 2
El “lógica” of this second pair (Cantidad 2) is to cover the remaining areas. These are almost certainly the **Rear Cab Wall Pads**. el grande, flat rear wall of the cab can act like a drum, resonating with chassis and wind noise. These pads are die-cut to fit this rear wall, absorbing this vibration and blocking noise from the chassis and trailer, completando el “acoustic cell” para el conductor.
El Almohadilla de insonorización y aislamiento térmico FAW es un “encajar y olvidar” componente, but it is a critical MSU. It is typically only replaced during a major cab refurbishment or after a specific type of damage.
Falla 1: Saturación de agua (El #1 Killer): The most common reason for replacement. If a cab develops a water leak (from a bad windshield seal, door seal, or roof light), water will migrate under the vinyl flooring and saturate the Almohadilla de insonorización y aislamiento térmico FAW. The fibrous layer acts like a sponge, trapping the water against the metal floor. Este “lógica” of failure leads to two massive problems: 1) a persistent mold/mildew smell, y 2) oculto, catastrophic rust-out of the cab floor pan. The pad *cannot* be dried; the fibers will clump and the anti-microbial treatments are washed away. debe ser reemplazado.
Falla 2: Contaminación: durante un servicio, a fluid leak (diesel, aceite, fluido hidraulico) can saturate a pad. This instantly destroys its acoustic properties (turning it from a “cojear” mass to a “sólido” mass) and creates a serious fire hazard. A contaminated Almohadilla de insonorización y aislamiento térmico FAW debe ser reemplazado inmediatamente.
Falla 3: Daño físico: During a major service (like removing the dashboard to replace an HVAC core), a technician may be forced to cut or tear the ‘Pad A’ (Firewall Pad). A torn pad is acoustically useless, as sound will “filtración” through the tear. El “lógica” of service dictates that the damaged MSU be replaced to restore the cab’s quiet environment.
La siguiente tabla proporciona la información completa, desglose detallado de todos 3 tipos de componentes (5 piezas totales) identified in the Almohadilla de insonorización y aislamiento térmico FAW Conjunto para el tractor FAW CA4251P66K24T1A3E5..
| Marca | Número de pieza. | Nombre de la pieza | Cantidad |
|---|---|---|---|
| 1 | 5109631-A01 | Soundproofing/insulation pad A | 1 |
| 2 | 5109632-A01 | Soundproofing/insulation pad B | 2 |
| 3 | 5109633-A01 | Soundproofing/insulation pad C | 2 |
Las especificaciones para el Almohadilla de insonorización y aislamiento térmico FAW are defined by its function as a multi-layered barrier against noise and heat, critical for driver comfort and safety.
| Solicitud de vehículo | FAW Jiefang CA4251P66K24T1A3E5 6×4 Tractor |
| Grupo de componentes | Almohadilla de insonorización y aislamiento térmico FAW |
| Tipo de sistema | Cab NVH (Ruido, Vibración, Dureza) Control Kit |
| Total Components | 5 Almohadilla (en 3 MSU Types) |
| Lógica 1 (Acústico) | Mass-Loaded Vinyl (MLV) Barrier, Closed-Cell Foam Decoupler |
| Lógica 2 (Térmico) | Reflective Foil (Radiant Barrier), Fibrous Mat (Insulator) |
| Universidad Estatal de Michigan 1 (Cantidad 1) | ‘Pad A’ (5109631-A01) – 3D Molded Firewall Pad |
| Universidad Estatal de Michigan 2 (Cantidad 2) | ‘Pad B’ (5109632-A01) – L/R Die-Cut Floor Pan Pads |
| Universidad Estatal de Michigan 3 (Cantidad 2) | ‘Pad C’ (5109633-A01) – L/R Rear Cab Wall Pads |
| Utilidad | Replacement of individual MSUs after water/oil contamination or physical damage. |
piezas FAW, incluido el conjunto del bloque de cilindros, Se empaquetan con cuidado para garantizar una entrega segura.. Cada componente está asegurado con materiales protectores para evitar daños durante el transporte.. La red logística garantiza envíos puntuales en todo el mundo., apoyando operaciones de mantenimiento eficientes. A continuación se muestra una imagen que ilustra el embalaje estándar de las piezas de camiones FAW., mostrando la atención al detalle en el manejo y almacenamiento.
Este enfoque de embalaje minimiza el riesgo de corrosión o daños por impacto., asegurando que piezas como el conjunto de bloque de cilindros FAW lleguen en perfectas condiciones. Los clientes pueden confiar en la logística de FAW para obtener calidad y confiabilidad constantes.
FAW es uno de los fabricantes de automóviles más grandes y antiguos de China, con capital registrado de RMB 35.4 mil millones de yuanes y activos totales de RMB 457.83 mil millones de yuanes.
CHINA FAW GROUP CO., LIMITADO. (abreviatura de FAW), anteriormente China First Automobile Works, puede rastrear sus raíces hasta julio 15, 1953, cuando comenzó a construirse su primera planta de ensamblaje. FAW es uno de los fabricantes de automóviles más grandes y antiguos de China, con capital registrado de RMB 35.4 mil millones de yuanes y activos totales de RMB 457.83 mil millones de yuanes.
Ventas globales de camiones pesados en China “cinco seguidos”, ventas de camiones pesados a nivel mundial “seis seguidos”, venta de tractores para 16 años consecutivos líder absoluto en la industria.
