Ветровое стекло FAW и уплотнитель: Двухкомпонентная система для обеспечения критической безопасности водителя

Welcome to this critical safety analysis of the Ветровое стекло FAW и уплотнитель сборка. This component group is the driver’s single most important interface for safe operation of the FAW Jiefang CA4251P66K24T1A3E5 6×4 дизельный полуприцеп тягач. Его “логика” двоякий: it provides the primary field of vision, and it functions as a critical structural component of the cab’s safety cell.

The Ветровое стекло FAW и уплотнитель system is far more than a simple pane of glass. It is a high-tech, многослойный, “bonded” assembly designed to withstand high-speed impacts, provide acoustic insulation, and contribute to the cab’s overall structural rigidity. Unlike older “комплект прокладок” окна, this windscreen is chemically bonded to the cab’s steel frame, making it an integral part of the vehicle’s Rollover Protection Structure (ROPS).

This in-depth guide is an essential resource for collision repair specialists, glass technicians, и менеджеры по запчастям. Мы разберем всю Ветровое стекло FAW и уплотнитель assembly into its two primary component types listed in the diagram. We will analyze the ‘Front windscreen assy’ as the primary MSU, and the oft-overlooked ‘Limiter sleeve’ (5206036-А01), a critical component for ensuring a perfect, factory-spec installation.

МГУ 1: The “Laminated Safety Logic” of the Windscreen (5206010-А01)

Этот компонент, the ‘Front windscreen assy’, это “дольше” и самая сложная часть Ветровое стекло FAW и уплотнитель система. This is the primary Minimum Serviceable Unit (МГУ). Его “логика” is not just visibility; it is a multi-function safety system.

This is not a single pane of tempered glass, which would shatter into thousands of pieces. This is **laminated safety glass**.

1. Lamination Logic (Безопасность):

The “логика” of lamination is a “sandwich.” The windscreen is made of two layers of specially shaped glass that are bonded to a tough, clear, flexible plastic inner layer, typically Polyvinyl Butyral (PVB). This PVB interlayer is the “логика” behind its safety:

• Fragment Retention: При столкновении, the glass layers will crack, but the sticky PVB interlayer holds all the sharp fragments together, preventing them from flying into the cab and injuring the driver.
• Intrusion Resistance: Это “rock chip” логика. When a stone hits the windscreen, the outer glass layer may chip, but the PVB layer is strong enough to stop the stone from penetrating the cab.
• Ejection Prevention: In a severe rollover, the laminated windscreen acts as a “safety net,” helping to prevent an unbelted driver from being ejected from the vehicle.

2. Структурная логика (Bonding):

The Ветровое стекло FAW и уплотнитель сборка - это “bonded” компонент. It is chemically “glued” into the ‘Welded Cab Assembly’ (617) using a high-modulus urethane adhesive. Этот “bonding logic” makes the glass a structural part of the cab’s safety cell.

It contributes significantly to the cab’s torsional rigidity (устойчивость к скручиванию) and is a key component of the Rollover Protection Structure (ROPS), helping to support the A-pillars and prevent the roof from crushing.

3. Акустический & Тепловая логика (ШВХ):

The soft PVB plastic interlayer has an added “логика”: it is a powerful acoustic damper. It is exceptionally good at blocking high-frequency “шум ветра” и “tire hiss,” making the cab significantly quieter and reducing driver fatigue.

Более того, the PVB interlayer in the Ветровое стекло FAW и уплотнитель blocks over 99% of harmful UV radiation, protecting the dashboard plastics from cracking and fading. It also blocks a significant amount of infrared (И) нагревать, reducing the “тепловая выдержка” from the sun and improving the efficiency of the air conditioning system.

МГУ 2: The “Логика установки” of the Limiter Sleeve (5206036-А01)

This is the second, and perhaps most overlooked, MSU in the Ветровое стекло FAW и уплотнитель система. The ‘Limiter sleeve-front windscreen’ (5206036-А01) is a small but absolutely critical component for correct installation.

The “Логика” of Spacing: A bonded windscreen’s strength and seal depend on a *perfect* thickness of the urethane adhesive bead (НАПРИМЕР., 5-7мм).

• If the glass is pressed *too hard*, это “starves” the joint, squeezing all the urethane out. This creates a weak bond and a stress point, which can lead to a “stress crack” or a water leak.
• If the glass is *not pressed hard enough*, the urethane bead is too thick, won’t bond properly to the glass, and will not cure correctly.

The “логика” of these two ‘Limiter sleeves’ is to act as “stand-offs” или “depth gauges.” These small plastic blocks are placed on the cab’s metal frame *before* the glass is set. The installer then presses the glass into the wet urethane *until* it makes contact with these limiters. This stops the glass at the *exact* factory-specified depth, guaranteeing a perfect, надежный, and strong bond every time.

Deconstructing the Weatherstripping “Логика уплотнения”

While not a numbered part in this specific diagram, а “Weatherstripping” is part of the Ветровое стекло FAW и уплотнитель title and is a critical, implicit MSU. This is the outer rubber “подрезать” that covers the gap between the glass edge and the cab body.

The “Тройное уплотнение” Логика: This component is not what keeps the water out (the urethane bond does that). Вместо, его “логика” тройной:

• 1. Primary Water Channel: It provides the *first* line of defense, channeling the majority of rainwater away from the structural urethane bond.
• 2. Acoustic Baffle: It fills the “air gap” between the glass and body. This gap, if left open, would create a loud, пронзительный “свист” на скоростях шоссе. The rubber seal’s “логика” is to create a smooth, aerodynamic transition, silencing this wind noise.
• 3. УФ & Aesthetic Shield: Its final “логика” заключается в том, чтобы действовать как “shield.” It covers the black urethane adhesive, protecting it from direct, damaging sunlight (which can degrade the bond over decades). It also provides a clean, “законченный” look to the vehicle.

This weatherstrip is an EPDM rubber extrusion, designed to resist UV, озон, and heat. It is an MSU that is often replaced *with* the windscreen to ensure a perfect, герметичный, and quiet new installation of the Ветровое стекло FAW и уплотнитель.

FAW Windscreen And Weatherstripping Parts List

В следующей таблице представлена ​​полная, подробная разбивка всех 2 типы компонентов, указанные в Ветровое стекло FAW и уплотнитель в сборе для трактора FAW CA4251P66K24T1A3E5.

Технические характеристики

Технические характеристики Ветровое стекло FAW и уплотнитель are defined by its function as a bonded, structural safety component.