فاو J6P عكس العتاد: تفكيك 5 الأجزاء المهمة للتشغيل العكسي الخالي من العيوب

Welcome to this essential technical breakdown of the فاو J6P عكس العتاد حَشد, a core sub-system within the CA10TA160M gearbox for the FAW Jiefang CA3250P66K2L1T1E 6×4 تفريغ الشاحنة. هذا الدليل مخصص للفنيين, deconstructing the 5 critical components that form the entire فاو J6P عكس العتاد idler system for precise maintenance.

ال فاو J6P عكس العتاد is more than just a convenience; it is a high-torque component essential for a dump truck’s duty cycle. It must handle immense forces while maneuvering the fully-loaded vehicle into tight, off-road loading and dumping zones. This deconstruction will analyze the idler logic and its high-load support system.

جوهر 1: ال “Direction Reversal” منطق (The FAW J6P Reverse Gear)

This group contains the core component of the فاو J6P عكس العتاد نظام. Its sole purpose is to reverse the direction of rotation from the countershaft before it reaches the mainshaft, thus providing backward motion.

1. عنصر: ‘Reverse idler gear’ (1701481-A7G)
هذا (شركات 3) is the ‘Reverse idler gear’, the heart of the فاو J6P عكس العتاد. Unlike forward gears, which often involve two gears (drive and driven), reverse requires a third gear to be inserted into the power path.

ال Idler Logic is simple but essential. In a forward gear, the countershaft (spinning, على سبيل المثال, Clockwise) directly drives the mainshaft gear (making it spin Counter-Clockwise). To achieve reverse, the gearbox slides this ‘Reverse idler gear’ (شركات 3) into the path.

الآن, the power flows differently: عمود المناولة (Clockwise) -> ‘Reverse idler gear’ (Counter-Clockwise) -> Mainshaft/Sleeve (Clockwise). By adding this one “idler,” the mainshaft (Second Axis) is now driven in the *same* direction as the countershaft, resulting in a reversed output at the wheels. This is the entire purpose of the فاو J6P عكس العتاد.

ال Gear Cut Logic is also important. This gear often has “spur” (straight-cut) أسنان. While “helical” (بزاوية) teeth are quieter for forward gears, spur teeth are stronger and, بشكل حاسم, much easier to slide in and out of mesh. This is why many manual transmissions have a characteristic “أنين” only when in reverse—it is the sound of the spur-cut فاو J6P عكس العتاد.

This gear must be incredibly robust. It is responsible for handling the “low reverse” نسبة, which is often the highest torque-multiplication ratio in the entire gearbox, used for backing a 30-ton, fully-loaded truck up a steep grade. Its strength is paramount to the فاو J6P عكس العتاد system’s reliability.

جوهر 2: ال “رمح & تحمل” منطق (The Idler Mounting)

The ‘Reverse idler gear’ (شركات 3) هو “idler,” which means it must spin freely on a stationary axis. This group of components provides that stationary axle and the high-load bearing it spins on. This is the core mounting system for the فاو J6P عكس العتاد.

1. عنصر: 'رمح – reverse idler gear’ (1701482-A7G)
هذا (شركات 5) is the ‘Shaft – reverse idler gear’. هذا ليس أ “رمح” in the sense of a spinning component; إنه أ “دبوس” أو “axle.” It is a short, thick, hardened steel pin that is pressed or bolted *rigidly* into the gearbox housing. It does *not* rotate.

ال Fixed Axle Logic هو غرضه. It provides the smooth, hardened, and perfectly-aligned surface for the idler gear to spin *around*. Its structural integrity is essential. Any flex or “المشي” of this shaft would cause the فاو J6P عكس العتاد to misalign with the countershaft gear, يؤدي إلى أ “howling” ضوضاء, catastrophic gear tooth wear, and eventual failure.

2. عنصر: ‘Needle bearing’ (1701485-A7G)
هذا (شركات 4) is the ‘Needle Bearing’. هذا هو الأمر الحاسم “anti-friction” مكون من فاو J6P عكس العتاد نظام. هذا المحمل, a cage full of small-diameter steel rollers, is pressed *inside* the bore of the ‘Reverse idler gear’ (شركات 3).

ال المنطق الحر هي وظيفتها. The *inner* race of this needle bearing is the hardened surface of the ‘Shaft’ (شركات 5). The *outer* race is the inside of the gear (شركات 3). This setup allows the ‘Reverse idler gear’ to spin at very high speeds (matching the countershaft RPM) with minimal friction and maximum load-carrying capacity.

This type of bearing is used because it is extremely compact (small diameter) but has a very high *radial* load capacity, which is perfect for the “دفع” force between the gear teeth. A failure in this bearing, often from oil starvation, is a common failure point for any فاو J6P عكس العتاد حَشد.

جوهر 3: ال “تحديد المواقع & Thrust” منطق (الأجهزة)

هذه المجموعة النهائية من المكونات (two of each) is responsible for the precise *positioning* of the ‘Reverse idler gear’ assembly on its shaft. Their logic is to control “axial thrust” و “نهاية اللعب” ل فاو J6P عكس العتاد.

1. عنصر: "حشية." – reverse idler gear’ (1701487-A7G) – الكمية 2
هذا (شركات 2) is the ‘Gasket – reverse idler gear’. In this application, “طوقا” is a synonym for “thrust washer.” These are two identical, مستوي, low-friction washers.

ال منطق الدفع is their critical function. One washer is placed on the “أمام” face of the ‘Reverse idler gear’ (شركات 3), and the other is placed on the “خلف” وجه. They sit *between* the spinning gear and the stationary retention hardware (the snap rings).

عندما فاو J6P عكس العتاد is under load, the helical or spur-cut teeth naturally create a strong “محوري” (fore-and-aft) force. These thrust washers (شركات 2) absorb this force, providing a sacrificial, low-friction wear surface. Without them, the spinning steel gear would eat into the stationary snap rings and gearbox housing, تدمير فاو J6P عكس العتاد حَشد.

2. عنصر: "حلقة المفاجئة." – reverse idler shaft’ (1701488-A7G) – الكمية 2
هذا (شركات 1) is the ‘Snap ring’. These two rings are the “توقفات صعبة” that hold the entire فاو J6P عكس العتاد assembly together on its shaft.

ال منطق الاحتفاظ is simple but effective. "العمود". – reverse idler gear’ (شركات 5) is machined with two grooves, one near each end. These ‘Snap rings’ (شركات 1) are expanded and “قطعت” into these grooves.

هذا يخلق “شطيرة”: (حلقة المفاجئة) -> (Gasket/Thrust Washer) -> (Gear with Needle Bearing) -> (Gasket/Thrust Washer) -> (حلقة المفاجئة). هذا كامل, captive assembly provides the precise, controlled “اللعب النهائي المحوري” (حركة الدخول والخروج) أن فاو J6P عكس العتاد needs to function correctly without binding or “المشي” off-center.

فاو J6P عكس العتاد: أكمل الانهيار المكون من 5 أجزاء

الجدول التالي يوفر كامل, تفصيل مفصل للجميع 5 أنواع المكونات في فاو J6P عكس العتاد idler assembly for the FAW Jiefang CA3250P66K2L1T1E 6×4 تفريغ الشاحنة.

المواصفات الأساسية

المواصفات ل فاو J6P عكس العتاد assembly are defined by its function as a high-torque idler system, built for durability and precise positioning.