Audited Supplier
PMP6.5R120
Machinery
Hardened Tooth Surface
90 Degree
Expansion
Cylindrical Gear
Double-Step
Gear Reducer
Bodeke
Wooden Box
56*56*68
China
8412291000
Product Description
The PMP 6.5R120 Gearbox: A Powerhouse for Mixer Trucks
1. Introduction
In the realm of concrete mixer trucks, the gearbox is a critical component that directly impacts the efficiency and reliability of the vehicle. The PMP 6.5R120 gearbox, offered by Power Transmission Solutions (PMP), has emerged as a leading choice in the construction equipment industry. This gearbox is specifically engineered to meet the demanding requirements of concrete mixing operations, ensuring smooth and consistent performance.
2. Design and Construction
2.1 Robust Housing
The PMP 6.5R120 gearbox features a housing constructed from high - quality materials, typically a durable alloy. This housing is designed to withstand the harsh operating conditions of a concrete mixer truck, including vibrations, shocks, and exposure to dust and moisture. The robust housing not only protects the internal components but also contributes to the overall longevity of the gearbox. Its design allows for easy installation and maintenance, minimizing downtime for the mixer truck.
2.2 Precision - Engineered Gearing System
The heart of the PMP 6.5R120 gearbox lies in its precision - engineered gearing system. The gears are made from high - strength steel alloys and undergo advanced manufacturing processes, such as heat treatment and precision grinding. Heat treatment enhances the hardness and wear resistance of the gears, enabling them to handle high - torque loads over extended periods. Precision grinding ensures smooth gear meshing, reducing noise and vibration during operation. The gearbox typically employs a planetary gear system, which offers several advantages. Planetary gears are known for their high torque - to - size ratio, compactness, and ability to evenly distribute loads. In the PMP 6.5R120 gearbox, the planetary gear system consists of a central sun gear, multiple planet gears orbiting around the sun gear, and an outer ring gear. This arrangement allows for efficient power transmission and a high reduction ratio, which is crucial for driving the mixer drum at the required speed and torque.
2.3 Advanced Bearing Systems
To support the smooth rotation of the gears and other components, the PMP 6.5R120 gearbox is equipped with advanced bearing systems. These bearings are designed to handle both radial and axial loads, ensuring proper alignment and reduced wear. High - quality bearing materials and lubrication systems are used to minimize friction and extend the lifespan of the bearings. Some bearing designs in the PMP 6.5R120 gearbox may incorporate features such as pre - loading, which helps to eliminate play and improve the gearbox's dynamic performance.
3. Working Principle
The PMP 6.5R120 gearbox operates based on the principle of power transmission and speed reduction. Power is typically supplied to the gearbox from a hydraulic motor. When the hydraulic motor starts, the input shaft of the gearbox rotates at a relatively high speed. The gears within the gearbox engage and transfer this rotational power. In the case of the planetary gear system, the sun gear drives the planet gears, which in turn rotate around the sun gear and mesh with the outer ring gear. This complex gear interaction results in a significant reduction in the rotational speed at the output shaft, while simultaneously increasing the torque. The gear ratio of the PMP 6.5R120 gearbox is carefully calibrated, usually around 120:1. This ratio is optimized to provide the right amount of torque and speed for driving the mixer drum. The output shaft of the gearbox is connected to the mixer drum, and the high - torque, low - speed rotation of the output shaft ensures that the concrete in the drum is effectively mixed.
4. Performance Characteristics
4.1 High Torque Output
One of the standout features of the PMP 6.5R120 gearbox is its high torque output. This allows it to drive mixer drums of various sizes and weights with ease. Whether it's a small - to - medium - sized mixer truck used for local construction projects or a large - capacity vehicle employed in major infrastructure developments, the PMP 6.5R120 gearbox can deliver the necessary torque to rotate the mixer drum smoothly. For example, in a 10 - cubic - meter concrete mixer truck, the PMP 6.5R120 gearbox can generate sufficient torque to overcome the resistance of the concrete mixture and the weight of the drum, ensuring proper mixing. The high torque output also enables the gearbox to handle sudden changes in load, such as when the mixer truck starts or stops, or when it encounters rough terrain.
4.2 Reliability and Durability
Designed for the demanding environment of the construction industry, the PMP 6.5R120 gearbox is highly reliable and durable. The use of high - quality materials, precision engineering, and advanced manufacturing processes contribute to its long - term performance. The gearbox is able to operate continuously for extended periods without experiencing significant wear or failure. This reduces downtime for the mixer truck, which is crucial in the construction business where time is money. Additionally, the PMP 6.5R120 gearbox undergoes rigorous testing before it is released to the market. These tests include high - load endurance tests, temperature cycling tests, and vibration tests, among others. These tests ensure that the gearbox can withstand the harsh conditions it will encounter in real - world applications.
4.3 Efficiency
The PMP 6.5R120 gearbox is engineered to be highly efficient in power transmission. The precision - ground gears and well - designed bearing systems minimize friction and power losses, allowing a greater percentage of the input power to be transferred to the output shaft. This not only improves the overall performance of the mixer truck but also helps to reduce fuel consumption. A more efficient gearbox means that the hydraulic motor doesn't have to work as hard to drive the mixer drum, resulting in lower energy consumption. This is not only beneficial for the operating costs of the mixer truck but also for the environment, as it reduces emissions.
| Technical data of Camray CMR conrete mixer gearbox | ||
| Model | 6.5R120 | 7.1R120 |
| Max.Output Torque Nm | 65,000 | 65,000 |
| Ratio l= | 1:120 | 1:120 |
| Max.installation angle of Drum | 12° | 12° |
| Max.Input speed rpm | 2500 | 2500 |
| Max.Output speed rpm | 18 | 18 |
| Max.Capacity of Drum m³ | 8~12 | 8~12 |
| Weight(without oil) KG | 320 | 320 |
| Model NO. | 6.5R120 | Model | 6.5R120 |
| Lead Time | 5 Days | Transport Package | Standard Export Wooden Case |
| Colour | as Your Request | Usage | Concrete Mixer |
| Weight | 330KG | Specification | 56*56*68 |
| Trademark | Bodeke | Origin | China |
| HS Code | 8483402000 | Production Capacity | 100 Sets/Month |
Q1: What is a mixer truck speed reducer?
A1: A mixer truck speed reducer is a mechanical device that reduces the speed of the mixer truck's motor, increasing torque and allowing for more effective mixing. It helps to transfer power from the motor to the mixer drum more efficiently, ensuring smooth and consistent mixing.
Q2: Why is a speed reducer necessary for mixer trucks?
A2: A speed reducer is necessary for mixer trucks because it matches the speed and torque requirements of the mixer drum to the output of the truck's motor. By reducing the speed, the reducer amplifies the torque, allowing the mixer drum to rotate at the optimal speed for mixing, while minimizing wear and tear on the motor.
Q3: How does a mixer truck speed reducer work?
A3: A mixer truck speed reducer typically consists of a series of gears or other mechanical components that transfer power from the motor to the mixer drum at a reduced speed. These gears are designed to mesh together, reducing the speed of rotation while increasing torque. This allows the mixer drum to rotate at a slower, more controlled speed, ensuring effective mixing.
Q4: What are the benefits of using a mixer truck speed reducer?
A4: Using a mixer truck speed reducer provides several benefits. It increases the torque output of the motor, allowing the mixer drum to rotate more effectively and mix materials more thoroughly. Additionally, it reduces wear and tear on the motor by matching the speed and torque requirements of the mixer drum, extending the motor's lifespan. Furthermore, a speed reducer can improve the overall efficiency of the mixer truck, reducing fuel consumption and operational costs.
Q5: How often should a mixer truck speed reducer be maintained?
A5: The frequency of maintenance for a mixer truck speed reducer depends on the specific model and manufacturer's recommendations. However, generally speaking, it is important to perform regular inspections and lubrication to ensure the reducer is operating smoothly and efficiently. Additionally, if any issues or malfunctions are noticed, it is crucial to address them promptly to prevent further damage or downtime. Regular maintenance can help extend the lifespan of the speed reducer and keep your mixer truck operating at peak performance.
Q6: What are the common issues that can arise with mixer truck speed reducers?
A6: Common issues that can arise with mixer truck speed reducers include wear and tear on gears, bearings, and other mechanical components. This can lead to reduced efficiency, increased noise, and ultimately, failure of the reducer. Lubrication issues, such as insufficient or contaminated lubricant, can also cause problems. Regular maintenance and inspection, as well as prompt repair of any issues, are crucial to preventing these common problems and ensuring the reliable operation of the speed reducer.
Q7.Are you manufacturer? And what's the delivery time?
A7:Yes, we are manufacturer and have our own factory. Generally, its in stock for common models, 25-30 days will be finished and sent to customer in time.
Q8.If we don't find what we want on your website, what should we do?
A8: You can email us the descriptions and pictures of the products you need, We will check whether we can make it.
Q9.How about the inspection and Guarantee of products?
A9:We promise: all products are tested before ship, to confirm it will be working and in good conditions when customers get. Also, we offer 12-month guarantee, if it doesn't work due to quality issue in the period, we will send spares to repair for free.
Bodeke Industrial Components Co., Ltd. is a leading Chinese company specializing in the manufacturing and maintenance of a wide range of industrial equipment components. Our products find application in diverse sectors, including cement tanker trucks, excavators, rescue equipment for cement trucks, mixers, cranes, hydraulic motors, hydraulic pumps, and other industrial machinery.
| Empower your industrial machinery with Bodeke - a leading Chinese manufacturer specializing in the repair and production of a wide range of equipment components.From cement tanker trucks and excavators to mixer trucks,cranes,hydraulic motors,and pumps,our precision-engineered products redefine reliability and performance.Elevate your operations with Bodeke's quality components-your trusted partner in global industrial excellence. | |||
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