Product Description
The Concrete Mixer Truck Gearbox PMP 7.5R130 stands as a testament to innovation and durability in the world of heavy-duty concrete mixing. Designed for the most demanding applications, this gearbox offers unparalleled performance and reliability, making it the preferred choice for professionals in the construction industry.
At the heart of the PMP 7.5R130 lies a robust gear train that is precision-engineered to handle the toughest mixing tasks. The gears are made from high-grade materials and are carefully balanced to provide smooth and efficient power transmission. This ensures optimal mixing performance, even under extreme conditions and high loads.
Durability is a key aspect of this gearbox’s design. The heavy-duty frame and components are built to withstand the rigors of daily operation on the jobsite. Whether it’s the constant vibrations, changing loads, or varying speeds, the PMP 7.5R130 is designed to withstand it all.
Maintenance is made easy with the gearbox’s modular design. Quick access to internal components allows for efficient repairs and replacements, minimizing downtime and maximizing uptime. The gearbox also features a robust lubrication system that keeps the gears and other critical parts properly lubricated, reducing wear and extending the operational life.
To further enhance its reliability, the PMP 7.5R130 incorporates dust and debris seals. These seals protect the internal mechanisms from contaminants, ensuring clean and efficient operation. This helps maintain the gearbox’s performance and reliability, even in dusty and dirty jobsite environments.
In addition, the gearbox offers a wide range of speed ratios, allowing it to adapt to various mixing requirements. Whether you need a slow and steady mix or a rapid-paced one, the PMP 7.5R130 can provide the perfect ratio for the job.
In summary, the Concrete Mixer Truck Gearbox PMP 7.5R130 is a robust and reliable transmission system designed for the most demanding concrete mixing applications. Its precision engineering, durable construction, and advanced features make it the perfect choice for construction professionals seeking exceptional performance and longevity on the jobsite. With this gearbox, you can confidently power your mixer truck, achieving smooth and efficient concrete mixing results.
| Model NO. | PMP 7.5R130 | Model | PMP 7.5R130 |
| 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 | 8483457100 | Production Capacity | 100 Sets/Month |
| Technical data of Camray CMR conrete mixer gearbox | |||
| Model | PMP 7.5R130 | ||
| Max.Output Torque Nm |
71,000 | ||
| Ratio l= |
1:130 | ||
| Max.installation angle of Drum | 11° | ||
| Max.Input speed rpm |
2500 | ||
| Max.Output speed rpm |
18 | ||
| Max.Capacity of Drum m³ | 10~14 | ||
| Weight(without oil) KG | 320 | ||
| Lubrication Oil Quantity dm³ | 11.5 | ||
| Max.Misalignmeng of flange | |||
| ZTS P68 reducer / gearbox | ZHP P75S reducer / gearbox | A4VG180HD1MT1/32R-NSF02F571-S PISTON pump | 875719000 |
| ZTS P70 reducer / gearbox | DD33-MF reducer / gearbox | A7VO55LRDS/63L-NZB01-S PISTON pump | 8483457100 |
| ZTS P75S reducer / gearbox | ZHP P68 reducer / gearbox | Concrete Mixer Truck Mixer Drum Cement Mixer | SAUER,Bonfiglioli,TOPUNIOU,KYB,REXROTH, , ,PMP |
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| Application: | Machinery |
|---|---|
| Function: | Change Drive Torque, Change Drive Direction |
| Layout: | Coaxial |
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Step: | Double-Step |
| Samples: |
US$ 720/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
Challenges in Achieving High Gear Ratios with Compactness in Planetary Gearboxes
Designing planetary gearboxes with high gear ratios while maintaining a compact form factor poses several challenges due to the intricate arrangement of gears and the need to balance various factors:
Space Constraints: Increasing the gear ratio typically requires adding more planetary stages, resulting in additional gears and components. However, limited available space can make it challenging to fit these additional components without compromising the compactness of the gearbox.
Efficiency: As the number of planetary stages increases to achieve higher gear ratios, there can be a trade-off in terms of efficiency. Additional gear meshings and friction losses can lead to decreased overall efficiency, impacting the gearbox’s performance.
Load Distribution: The distribution of loads across multiple stages becomes critical when designing high gear ratio planetary gearboxes. Proper load distribution ensures that each stage shares the load proportionally, preventing premature wear and ensuring reliable operation.
Bearing Arrangement: Accommodating multiple stages of planetary gears requires an effective bearing arrangement to support the rotating components. Improper bearing selection or arrangement can lead to increased friction, reduced efficiency, and potential failures.
Manufacturing Tolerances: Achieving high gear ratios demands tight manufacturing tolerances to ensure accurate gear tooth profiles and precise gear meshing. Any deviations can result in noise, vibration, and reduced performance.
Lubrication: Adequate lubrication becomes crucial in maintaining smooth operation and reducing friction as gear ratios increase. However, proper lubrication distribution across multiple stages can be challenging, impacting efficiency and longevity.
Noise and Vibration: The complexity of high gear ratio planetary gearboxes can lead to increased noise and vibration levels due to the higher number of gear meshing interactions. Managing noise and vibration becomes essential for ensuring acceptable performance and user comfort.
To address these challenges, engineers employ advanced design techniques, high-precision manufacturing processes, specialized materials, innovative bearing arrangements, and optimized lubrication strategies. Achieving the right balance between high gear ratios and compactness involves careful consideration of these factors to ensure the gearbox’s reliability, efficiency, and performance.
Impact of Temperature Variations and Environmental Conditions on Planetary Gearbox Performance
The performance of planetary gearboxes can be significantly influenced by temperature variations and environmental conditions. Here’s how these factors impact their operation:
Temperature Variations: Extreme temperature fluctuations can affect the lubrication properties of the gearbox. Cold temperatures can cause the lubricant to thicken, leading to increased friction and reduced efficiency. On the other hand, high temperatures can cause the lubricant to thin out, potentially leading to insufficient lubrication and accelerated wear.
Environmental Contaminants: Planetary gearboxes used in outdoor or industrial environments can be exposed to contaminants such as dust, dirt, moisture, and chemicals. These contaminants can infiltrate the gearbox and degrade the quality of the lubricant. Additionally, abrasive particles can cause wear on gear surfaces, leading to decreased performance and potential damage.
Corrosion: Exposure to moisture, especially in humid or corrosive environments, can lead to corrosion of gearbox components. Corrosion weakens the structural integrity of gears and other components, which can ultimately result in premature failure.
Thermal Expansion: Temperature changes can cause materials to expand and contract. In gearboxes, this can lead to misalignment of gears and improper meshing, causing noise, vibration, and reduced efficiency. Proper consideration of thermal expansion is crucial in gearbox design.
Sealing and Ventilation: To mitigate the impact of temperature and environmental factors, planetary gearboxes need effective sealing to prevent contaminants from entering and to retain the lubricant. Proper ventilation is also essential to prevent pressure build-up inside the gearbox due to temperature changes.
Cooling Systems: In applications where temperature control is critical, cooling systems such as fans or heat exchangers can be incorporated to maintain optimal operating temperatures. This helps prevent overheating and ensures consistent gearbox performance.
Overall, temperature variations and environmental conditions can have a profound impact on the performance and lifespan of planetary gearboxes. Manufacturers and operators need to consider these factors during design, installation, and maintenance to ensure reliable and efficient operation.
Advantages of Planetary Gearboxes Compared to Other Gearbox Configurations
Planetary gearboxes, also known as epicyclic gearboxes, offer several advantages compared to other gearbox configurations. These advantages make them well-suited for a wide range of applications. Here’s a closer look at why planetary gearboxes are favored:
- Compact Size: Planetary gearboxes are known for their compact and space-efficient design. The arrangement of multiple gears within a single housing allows for high gear reduction ratios without significantly increasing the size of the gearbox.
- High Torque Density: Due to their compact design, planetary gearboxes offer high torque density, meaning they can transmit a significant amount of torque relative to their size. This makes them ideal for applications where space is limited, but high torque is required.
- Efficiency: Planetary gearboxes can achieve high efficiency levels, especially when properly lubricated and well-designed. The arrangement of multiple meshing gears allows for load distribution, reducing individual gear tooth stresses and minimizing losses due to friction.
- Multiple Gear Stages: Planetary gearboxes can be designed with multiple stages, allowing for higher gear reduction ratios. This is particularly advantageous when precise control of output speed and torque is required.
- High Gear Ratios: Planetary gearboxes can achieve high gear reduction ratios in a single stage, eliminating the need for multiple external gears. This simplifies the overall design and reduces the number of components.
- Load Sharing: The multiple gear meshing arrangements in planetary gearboxes distribute loads evenly across multiple gears, reducing the stress on individual components and enhancing overall durability.
- High Precision: Planetary gearboxes offer high precision and accuracy in gear meshing, making them suitable for applications that demand precise motion control.
- Quiet Operation: The design of planetary gearboxes often leads to smoother and quieter operation compared to some other gearbox configurations, contributing to improved user experience.
Overall, the advantages of planetary gearboxes in terms of size, torque density, efficiency, versatility, and precision make them an attractive choice for a wide range of applications across industries, including robotics, automotive, aerospace, and industrial machinery.
editor by CX 2024-05-03