CAT 3G7638 Hydraulic Axial Vane Pump for Motor Grader 16G For CAT 3525VQ

CAT 3G7638 Hydraulic Axial Vane Pump For Motor Grader 16G For CAT 3525VQ

 

In scenarios such as highway construction, mine site leveling, and farmland transformation, the CAT 16G motor grader needs to rely on a stable hydraulic system to perform fine actions such as lifting the scraper, tilting the blade, and turning the wheels. The CAT 3G7638 Hydraulic Axial Vane Pump, as a core component specially designed for this model, undertakes the important responsibility of converting mechanical power into hydraulic energy, providing continuous and stable power support for various operations of the motor graders. Its built-in horizontal triple piston pump structure achieves efficient power output through the coordinated operation of three pistons, perfectly meeting the requirements of the motor grader for the hydraulic system of "high pressure, stability and precision". cat 3g7638 integrates CAT's engineering experience with hydraulic technology, becoming a key device for ensuring the operational efficiency of motor graders. ​

 

In the application of motor graders, the cat 3g7638 pump demonstrates outstanding advantages in terms of power stability and operational accuracy. As a hydraulic pump equipped with the horizontal triple piston pump structure, the three pistons evenly share the load, keeping the fluctuation of the hydraulic output pressure within ±3%, ensuring that the scraper is evenly stressed on the flat ground and avoiding the height difference of the ground caused by unstable pressure. This structure can also reduce the wear rate of individual pistons. Compared with traditional single-piston pumps, the service life of cat 3g7638 has been extended by 25%, and the downtime for motor graders for maintenance has been reduced. ​
Another major advantage lies in the precise flow control capability of the 3g7638 pump. Its axial blade design has been precisely calculated and can adjust the flow output in real time according to the operation requirements of the motor graders (such as fine-tuning of the scraper or rapid lifting and lowering), and in combination with the control system of the motor graders, achieve millimeter-level action accuracy. In the operation of highway subgrade leveling, this precision can control the ground flatness error within 5mm, significantly improving the project quality. Meanwhile, the pump body is made of high-strength aluminum alloy, which ensures structural strength while reducing its own weight and lowering the power loss of the motor grader. ​

 

 

• Triple Piston synergy: The structure of the horizontal triple piston pump enables the 3g7638 pump to have stronger shock resistance. When the scraper of the motor grader encounters obstacles such as stones, the three pistons can quickly adjust the output through pressure compensation to avoid damage to the pump body caused by instantaneous overload. ​
• High-efficiency energy conversion: The blades and pump cavity of cat 3g7638 adopt a micron-level clearance fit, with a volumetric efficiency of over 94%. It can convert more mechanical power into hydraulic energy and reduce fuel consumption - approximately 6% of fuel can be saved during continuous 8-hour flat ground operation. ​
• Compatibility and adaptability: The cat 3g7638 pump adopts the CAT standard interface and can be directly connected to the original hydraulic circuit of the 16G motor grader without any modification to the pipeline or control system. The installation and commissioning time is shortened to less than 2 hours, making it convenient to quickly replace the old pump. ​
• Weather resistance and durability: The pump body surface has undergone anti-corrosion treatment, and key components such as pistons and blades are made of wear-resistant alloy materials. It can operate stably within a temperature range of -20 ℃ to + 70℃, adapting to working environments in different regions such as deserts and plateaus, and can resist the erosion of impurities in the hydraulic oil.

 

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