Axial Force Balance of Axial Piston Hydraulic Pumps
Axial piston hydraulic pumps are widely used in various hydraulic systems due to their high efficiency and good performance. One of the important issues in the design of axial piston hydraulic pumps is axial force balance.
In an axial piston hydraulic pump, the pressure on the piston creates an axial force, which results in noticeable vibration and noise. Therefore, it is important to balance the axial forces to minimize these effects.
There are several ways to balance the axial forces in an axial piston hydraulic pump. A common method is to use a swash plate that can be tilted to adjust the angle of the piston. By adjusting the angle of the piston, the axial force can be balanced.
Another method is to use a dual spring system, which includes a compression spring and an extension spring. Compression springs are used to balance positive axial forces, while tension springs are used to balance reverse forces.
In addition, some axial piston hydraulic pumps use a balance piston to balance the axial force. The balance piston is connected to the piston and bears the same pressure as the piston. By adjusting the size and position of the balance piston, the axial force can be balanced.
90L055-KA-5-BC-60-P-3-S1-D-03-GBA-17-17-20 90L055KA5BC60P3S1D03GBA171720
90-L-055-KA-5-BC-60-S-3-C6-C-04-GBA-35-35-24 90L055KA5BC60S3C6C04GBA353524
90-L-055-KA-5-BC-60-S-3-C6-D-02-GBA-42-42-24 90L055KA5BC60S3C6D02GBA424224
90-L-055-KA-5-BC-60-S-3-C6-D-03-GBA-35-35-24 90L055KA5BC60S3C6D03GBA353524
90L055-KA-5-BC-60-S-3-C6-D-03-GBA-35-35-24 90L055KA5BC60S3C6D03GBA353524
90-L-055-KA-5-BC-60-S-3-C6-D-03-GBA-42-42-24 90L055KA5BC60S3C6D03GBA424224
90-L-055-KA-5-BC-60-S-3-S1-C-00-GBA-35-35-24 90L055KA5BC60S3S1C00GBA353524
90L055-KA-5-BC-60-S-3-S1-C-00-GBA-35-35-24 90L055KA5BC60S3S1C00GBA353524
90-L-055-KA-5-BC-60-S-3-S1-C-03-GBA-35-35-24 90L055KA5BC60S3S1C03GBA353524
90-L-055-KA-5-BC-60-S-3-S1-C-03-GBA-42-42-24 90L055KA5BC60S3S1C03GBA424224
Axial force balance is important not only to reduce vibration and noise, but also to prolong the life of hydraulic pumps. A well-balanced axial piston hydraulic pump will run smoother, more efficiently and last longer.
Axial force balance is an important consideration in the design of axial piston hydraulic pumps because it affects the efficiency, durability and overall performance of the pump. Axial force is the force acting in the axial direction of the pump, which is parallel to the axis of rotation of the pump. It is created by the pressure difference across the piston and friction within the pump.
For optimum performance, axial forces must be balanced. If the axial force is unbalanced, it will cause excessive wear of the parts of the pump, reduce the efficiency of the pump and shorten its service life. To balance axial forces, axial piston hydraulic pumps are designed using a variety of techniques, including:
Symmetrical Design: One way to balance axial forces is to use a symmetrical design of the pump. This means that the pump's piston and cylinder are designed to be equal in size and shape, which helps balance axial forces.
Opposite Direction Piston Movement: Another approach is to use a design in which the pistons move in opposite directions, where one piston moves in one direction and the other moves in the opposite direction. This design helps balance axial forces by counteracting the pressure differential across the piston.
Axial force compensation mechanism: Some axial piston hydraulic pumps are designed with an axial force compensation mechanism, which uses springs or other devices to compensate the axial force generated by the pump.
Tilting cylinder: Tilting cylinder is another method of balancing axial forces in an axial piston hydraulic pump. By tilting the cylinder block, the pressure differential across the piston can be reduced, helping to balance axial forces.
Overall, axial force balance is an important consideration in the design of axial piston hydraulic pumps. By using one or more of these technologies, designers can help ensure that pumps operate efficiently while minimizing wear and tear on their components.
90-L-055-KA-5-BC-60-S-3-S1-C-06-GBA-42-42-24 90L055KA5BC60S3S1C06GBA424224
90-L-055-KA-5-BC-60-S-4-C6-C-03-GBA-23-23-24 90L055KA5BC60S4C6C03GBA232324
90L055-KA-5-BC-60-S-4-C6-C-03-GBA-23-23-24 90L055KA5BC60S4C6C03GBA232324
90-L-055-KA-5-BC-60-S-4-C6-C-03-GBA-35-35-24 90L055KA5BC60S4C6C03GBA353524
90-L-055-KA-5-BC-60-S-4-C6-C-06-GBA-35-35-24 90L055KA5BC60S4C6C06GBA353524
90-L-055-KA-5-BC-80-D-3-S1-L-03-GBA-35-35-24 90L055KA5BC80D3S1L03GBA353524
90-L-055-KA-5-BC-80-P-3-C6-C-00-GBA-35-35-24 90L055KA5BC80P3C6C00GBA353524
90-L-055-KA-5-BC-80-S-3-S1-C-03-GBA-35-35-24 90L055KA5BC80S3S1C03GBA353524
90-L-055-KA-5-CD-60-L-3-S1-C-03-GBA-38-38-24 90L055KA5CD60L3S1C03GBA383824
90-L-055-KA-5-CD-60-L-3-S1-C-06-GBA-32-32-24 90L055KA5CD60L3S1C06GBA323224
The axial force balance of the axial piston hydraulic pump is an important factor to ensure the stability and efficiency of the pump. Axial forces in a pump are caused by the pressure difference between the high and low pressure sides of the piston, and if not properly balanced it can cause unwanted vibration, noise and wear in the pump.
To achieve axial force balance, different designs and techniques are used depending on the type of axial piston pump. Some common methods include using a swash plate angle that compensates for axial forces, incorporating springs or counterweights to balance forces, or using a pressure compensating mechanism to balance the pressure on either side of the piston.
An example of an axial force balancing mechanism is the use of tilting pad thrust bearings in pumps. Bearings consist of bearing pads designed to tilt and adjust their position to maintain a balance between the axial force and the reverse thrust generated by the bearing.
Overall, achieving axial force balance in an axial piston hydraulic pump is critical to maintaining its performance, reliability and service life. It requires careful design and engineering to ensure that the pump can operate smoothly and efficiently under varying load conditions.
This article is published by the official website of Baolilai Hydraulics, please contact the author and indicate the source for reprinting:https://www.baolilai-pump.cn/news/396.html