لوحة الكسوة السفلية للباب الأمامي: تفكيك 6 الأجزاء المهمة لتركيب الكابينة بشكل لا تشوبه شائبة

مرحبا بكم في هذا التحليل النقدي لل لوحة الكسوة السفلية للباب الأمامي and limiter system for the FAW Jiefang CA3250P66K2L1T1E 6×4 تفريغ الشاحنة. هذا الدليل يفكك 6 critical component types that form this multi-function assembly. This system is essential for cab protection, door alignment, والسلامة.

ال لوحة الكسوة السفلية للباب الأمامي serves a much deeper function than just interior cosmetics. It acts as a protective shield for the inner door shell, provides acoustic insulation, and serves as the mounting structure for the door’s check and alignment hardware. This analysis will explore the trim panel itself, the heavy-duty door limiter, the precision locating pin, and the three sets of specialized, مثبتات مقاومة للاهتزاز.

جوهر 1: The ‘Shield & صوتي’ منطق (The Panel Assembly)

This component is the namesake of the لوحة الكسوة السفلية للباب الأمامي نظام. إنها كبيرة, molded part that covers the entire lower half of the inner door shell, below the main armrest.

1. عنصر: ‘Left/Right front door lower trim panel assembly’ (6101515DA01 / 6101520DA01) – الكمية 1 كل
هذا (شركات 2) is the main panel assembly, supplied in mirrored Left (DA01) and Right (DA01) versions. It is a multi-layer component, typically a rigid polymer substrate with a durable, easy-to-clean vinyl or textured plastic skin.

The Protection Logic is its most obvious function. On a CA3250P66K2L1T1E dump truck, the driver’s boots will be covered in mud, الحصى, والثلج. هذا لوحة الكسوة السفلية للباب الأمامي acts as a durable, ذبيحة “kick plate.” It is designed to be scuffed and kicked, protecting the painted door shell underneath from scratches, الخدوش, والتآكل.

The Acoustic Logic is a critical, hidden function. This large, rigid panel, combined with the sound-deadening felt often applied to its reverse side, acts as a primary acoustic barrier. It blocks a significant amount of road, tire, and transmission noise from entering the cab. A missing or loosely-fastened لوحة الكسوة السفلية للباب الأمامي will result in a much louder, more fatiguing cab environment.

The Integration Logic is also key. This panel is precision-molded to house other components, such as a map pocket, a lower courtesy light, or a main audio speaker. يوفر “انتهى” interior surface that the driver sees and interacts with.

جوهر 2: The ‘Damage Prevention’ منطق (The Door Limiter)

This component is a heavy-duty safety feature mounted within the لوحة الكسوة السفلية للباب الأمامي منطقة. It is essential for preventing catastrophic damage to the door.

1. عنصر: ‘Front door limiter assembly’ (6106035-أ01) – الكمية 2
هذا (شركات 4) هو “فحص الباب” أو “door stop.” It is a robust assembly, usually a high-strength stamped steel strap (which mounts to the A-pillar) that runs into a “يفحص” آلية (which mounts to the door). كمية 2 confirms one for each door.

The Over-Extension Logic is its primary purpose. The heavy-duty door of a J6P cab has significant mass. If a driver opens it during a high-wind situation, the wind can catch the door and swing it open with violent force.

This limiter is the “الفرامل” that stops this from happening. وهي مصممة ل “يمسك” the door at a pre-set maximum opening angle (على سبيل المثال, 85 درجات). This prevents the door from swinging 180 degrees and smashing into the cab’s own fender, which would bend the door hinges, buckle the door skin, and shatter the mirror. هذه الأغنية لوحة الكسوة السفلية للباب الأمامي sub-component saves thousands in potential repairs.

The Detent Logic is its secondary function. The check mechanism contains spring-loaded rollers that engage with “detents” or bumps on the strap. This is what gives the door a “two-stage” يشعر, allowing it to “rest” at a halfway-open position without swinging shut. This is a crucial convenience and safety feature for the driver.

جوهر 3: The ‘Precision Alignment’ منطق (The Locating Pin)

This small but vital component of the لوحة الكسوة السفلية للباب الأمامي system is responsible for ensuring the door latches perfectly, every single time, for the life of the truck.

1. عنصر: ‘Left/Right front door locating pin assembly’ (6101535-أ01 / 6101540-أ01) – الكمية 1 كل
هذا (شركات 3) is a precision-machined, hardened steel pin. It is typically mounted on the door (often near the bottom) and engages with a corresponding socket on the cab’s B-pillar.

The Anti-Sag Logic is its entire purpose. A heavy-duty truck door, hanging on two hinges, is under immense stress. Over years of use and door slams, the hinges will wear, and the door will naturally “sag” by a few millimeters.

This sag causes the door’s latch mechanism to misalign with the striker on the cab, making the door extremely difficult to close. The driver would have to lift the door handle *and* slam the door.

This locating pin, which has a tapered head, solves this. كما يغلق الباب, the tapered pin engages the socket *before* the latch does. This action physically “lifts” the sagging door by the required few millimeters, guiding it into perfect vertical alignment. This ensures the latch mechanism (نظام 143) engages smoothly and effortlessly every time.

جوهر 4: "مقاومة للاهتزاز".’ منطق (نظام السحابة)

This final group consists of the 28 specialized fasteners that secure the لوحة الكسوة السفلية للباب الأمامي والأجهزة المرتبطة به. Each one is chosen for vibration resistance.

1. عنصر: "مسمار ذو حواف سداسية."’ (Q1840616F6) – الكمية 12
2. عنصر: "مسمار ذو حواف سداسية."’ (Q1840612F6) – الكمية 4
هؤلاء (شركات 1 و 6) هي 16 primary structural bolts. ال “ذات حواف” الرأس عبارة عن غسالة مدمجة. This is a high-strength, vibration-proof design that locks the bolt and distributes the load. These are used to secure the heavy-duty metal components: the door limiter (شركات 4) and the locating pin (شركات 3).

3. عنصر: 'برغي متقاطع ذو رأس مستدير مسطح ومجوف’ (Q2360616F6) – الكمية 12
هذا (شركات 5) is the fastener used for the main لوحة الكسوة السفلية للباب الأمامي (شركات 2) نفسها. ال “مزيج” design features a pre-installed, captive spring lock washer.

This spring washer is essential for mounting the plastic trim panel. It provides constant tension, preventing the screw from backing out due to vibration (which would cause rattles), while also being gentle enough not to crack the plastic. هؤلاء 12 screws provide a secure, rattle-free fit for the panel.

لوحة الكسوة السفلية للباب الأمامي: Complete 6-Part Breakdown

الجدول التالي يوفر كامل, تفصيل مفصل للجميع 6 أنواع المكونات في لوحة الكسوة السفلية للباب الأمامي and limiter assembly (نظام 152) لفاو جيفانغ CA3250P66K2L1T1E 6×4 تفريغ الشاحنة.

المواصفات الأساسية

المواصفات ل لوحة الكسوة السفلية للباب الأمامي system are defined by its multiple roles in protection, تنسيق, والسلامة.