FAW Сварная кабина в сборе: 5-зонная анатомия вашей основной ячейки безопасности

Welcome to this critical structural analysis of the FAW Сварная кабина в сборе (Базовая модель: 5000040-D04). This is the single most important component for driver safety and comfort on the FAW Jiefang CA4251P66K24T1A3E5 6×4 дизельный полуприцеп тягач. Эта сборка является “Cab-in-White” (CIW), основополагающий, unpainted structural “скелет” of the entire driver’s cab.

The “логика” принадлежащий FAW Сварная кабина в сборе двоякий: это основной “Safety Cell” designed to protect the driver during a collision, and it is the structural “шасси” that serves as the mounting foundation for every other cab component, from the dashboard and seats to the doors and glass. It is a high-tech structure, precision-built using robotic welding and advanced high-strength steels.

Это подробное руководство является важным ресурсом для технических специалистов кузовных цехов., специалисты по ремонту столкновений, и менеджеры по запчастям. As the parts list confirms, а FAW Сварная кабина в сборе это одиночный, non-serviceable Minimum Serviceable Unit (МГУ). To understand its function, we will logically deconstruct this one-piece assembly into its five primary structural zones: the Floor Pan, the Firewall, the A-Pillars, the B-Pillars/Rear Wall, and the Roof.

Zone 1: Фонд – Floor Pan & Firewall Logic

The logical starting point for the FAW Сварная кабина в сборе is its base: the floor pan and firewall. This is the structural foundation that provides the cab’s core rigidity and serves as the primary mounting platform.

The Floor Pan: This is not a flat sheet of metal. It is a complex, 3D-stamped component made from multiple welded panels. Его “логика” is stiffness. The floor pan is stamped with deep ribs, channels, and a transmission tunnel. These geometric shapes give the panel immense rigidity, preventing the cab from flexing and “drumming” (low-frequency noise) while driving.

Этот компонент FAW Сварная кабина в сборе это “шасси” of the cab. It features the reinforced, pre-threaded mounting points for the driver and passenger seats, the ‘Cab Front Suspension Assembly’, and the ‘Cab Rear Suspension Assembly’. These points are critical, as they transfer all road forces from the chassis, through the suspension, and into the cab.

The Firewall: Welded to the front of the floor pan is the firewall. Это “логика” of separation. This panel is the primary barrier between the driver and the engine compartment. Its design is focused on Noise, Вибрация, и жесткость (ШВХ) reduction, as well as fire safety. It is a complex stamping with precisely located, sealed pass-throughs for the ‘Cab Electrical Logic Assembly’ обуздать, the steering column, and the HVAC (heating, вентиляция, and air conditioning) система.

Zone 2: The A-Pillars & Windshield Frame Logic

The “А-столбы” are the two vertical steel structures that frame the windshield. В FAW Сварная кабина в сборе, these are arguably the most critical safety components for the driver.

Rollover Protection Logic: The “логика” of the A-Pillars is to function as the cab’s primary roll-over protection structure (ROPS). In a rollover accident, these two pillars, combined with the roof header, must support the entire weight of the cab and prevent the roof from crushing down onto the driver.

Чтобы добиться этого, these pillars are not simple, hollow tubes. They are complex, multi-layered fabrications. The FAW Сварная кабина в сборе uses Advanced High-Strength Steel (AHSS) or even “hot-stamped” Boron steel for these components. Этот “логика” of using advanced materials creates a component that is relatively lightweight but possesses incredible tensile strength and crush resistance.

Структурный & Логика выравнивания: The A-Pillars are also the structural mounting points for the cab’s doors. They contain the reinforced, pre-threaded plates for the heavy-duty door hinges. Геометрическая точность FAW Сварная кабина в сборе is paramount here; any deviation (even by millimeters) will result in misaligned doors, leading to wind noise and water leaks.

Zone 3: The B-Pillars & Rear Wall Logic

This structural zone forms the main “hoop” and rear of the cab’s safety cell. The “B-Pillars” are the vertical pillars directly behind the driver’s doors.

Side-Impact Logic: The “логика” of the B-Pillars is side-impact protection. These structures are designed to resist intrusion into the cab during a side collision. They are also the primary anchor point for the ‘Function Switch Logic Assembly’ и, самое главное, the upper anchor for the driver’s seatbelt. This seatbelt mounting point is heavily reinforced, as it must withstand thousands of pounds of force during a frontal collision.

Rear Wall & Torsional Rigidity: The rear wall is the large, stamped panel that encloses the back of the cab. Его “логика” is to provide the entire FAW Сварная кабина в сборе with torsional rigidity (устойчивость к скручиванию). This panel is stamped with horizontal ribs to prevent “drumming” and flex. It also contains the reinforced mounting points for the cab’s rear air-spring or coil suspension, as well as the ‘Cab Lock’ механизм.

Zone 4 & 5: The Roof Panel & Header Rail Logic

Финал “zone” принадлежащий FAW Сварная кабина в сборе is the roof structure, which ties all the pillars together. This zone consists of the main roof panel and the “cant rails” (the side rails above the doors) и “header rail” (above the windshield).

Safety Cell “Кольцо”: The “логика” of these rails is to connect the A-Pillars and B-Pillars, creating a continuous “кольцо” of high-strength steel that forms the upper part of the safety cell. This structure is what completes the rollover protection system.

The Roof Panel: The main roof panel is welded to this “ring.” Его “логика” is also structural. It is stamped with ribs (as seen in the main photo) that not only add strength but also manage airflow and water. This panel also provides the flat, стабильный “ground plane” and mounting point for the ‘Multifunctional Antenna Logic Assembly’, which is critical for GPS and 4G reception.

Serviceability of the MSU:

The ‘Welded Cab Assembly’ (5000040-D04) is the ultimate MSU. Это “replacement-only” часть. In the event of a severe collision that compromises any of these structural zones, a body shop will order this single part number. Старый, damaged cab is unbolted from its four suspension points, all wiring harnesses are unplugged, and it is lifted off the chassis. Новый FAW Сварная кабина в сборе is then lowered onto the chassis, and all components (двери, glass, dashboard, и т. д.) are transferred from the old cab to the new one.

Parts List & Технические характеристики

В следующей таблице представлена ​​полная, detailed breakdown of the single component identified in the FAW Сварная кабина в сборе схема трактора FAW CA4251P66K24T1A3E5.

Технические характеристики

Технические характеристики FAW Сварная кабина в сборе are defined by its function as the primary structural and safety component of the cab.