Hydraulic Counterbalance Valve Customized Design

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Zander is from a hydraulic manufacturing company in Greece. In the first half of this year, their company planned to upgrade the old logistics crane and put it back on the market. Its main goal is to improve its stability by 20% compared with its peers. The optimization of the hydraulic cartridge counterbalance valve is the key, but the original hydraulic cartridge counterbalance valve manufacturer has no ability to innovate. Zander found a local hydraulic cartridge valve manufacturer to optimize the structure and make samples. However, during commissioning, when the load of the system drops, the pressure fluctuation cannot exceed that of the peers, and the hydraulic cartridge counterbalance valve cannot avoid load interference. The local hydraulic cartridge valve manufacturer has no ability for further improvement. 2 months passed by, but there was still no solution. The boss pushed for progress many times, and Zander was worried. Zander found AAK on Google, noticed that AAK had released some customer cases about hydraulic cartridge counterbalance valves, and sent us an email. According to the schematic diagram of the hydraulic system and the original hydraulic cartridge counterbalance valve drawing provided by him, AAK engineer informed that the structure optimized by his local hydraulic cartridge valve manufacturer was not reasonable and needed to be adjusted. AAK has a trick to prevent the hydraulic cartridge counterbalance valve from being affected by the load. Zander asked for AAK samples. After 45 days, AAK sent 20 samples of hydraulic cartridge counterbalance valves. 3 months later, Zander sent an order for 500 hydraulic cartridge counterbalance valves, and told us that their technical department was very satisfied with AAK hydraulic cartridge counterbalance valves. Not only did they overcome the load impact, but also improved the stability of their new logistics crane by more than 20%. In the promotion stage, the booking was good, and the boss was happy. AAK hydraulic cartridge counterbalance valve can stably control the opening of the valve spool without being disturbed by the load, and its stability is higher than that of its peers, because we have tricks on optimizing the structure. AAK hydraulic cartridge counterbalance valve is composed of a valve body, a valve seat, a main valve spool, a pilot valve spool and a pilot mechanism. The valve seat is connected with the valve body and forms a connected first channel. The extended end of the valve seat butts against the pilot mechanism and forms a second channel. The main valve spool is provided with a throttling slot. One end of the pilot valve spool slides and is arranged in the inner cavity of the main valve spool. The other end is connected with the pilot mechanism. The pilot valve spool is equipped with a throttling slot. The pilot valve spool is connected with the inner cavity of the main valve spool as a balanced structure.

AAK 3 Skills Solved the problem of Hydraulic Counterbalance Cartridge Valve Caused by Back Pressure and helped Dorian's Equipment to be Promoted Smoothly Dorian is from a Greek hydraulic equipment company and is responsible for the procurement of hydraulic components. At the beginning of the year, they developed a new hydraulic crane, which requires the use of hydraulic counterbalance cartridge valve. Dorian worked with a local manufacturer to make samples. During the equipment commissioning, it was found that the hydraulic counterbalance cartridge valve had no overflow function due to the back pressure. The hydraulic system was tested separately, but it was normal. Dorian felt that there was a hidden danger in the original design of the hydraulic counterbalance cartridge valve. The engineer thought that the function of the hydraulic counterbalance cartridge valve was not up to standard. Dorian was a little embarrassed. Dorian found website of AAK hydraulic valves on Google, and noticed that AAK had been supplying first-line brand hydraulic valves such as HydraForce, SUN Hydraulics, and HAWE for many years. Maybe he saw hope and sent an email to ask for help. According to what he said, the hydraulic counterbalance cartridge valve has no overflow function under the influence of the back pressure of the closed central circuit. I told him that it was probably a flaw in the design of the original hydraulic counterbalance cartridge valve. According to his hydraulic schematic diagram and original drawing of hydraulic counterbalance cartridge valve, AAK engineer not only determined that the problem was in the original design, but also had a solution. After knowing these, Dorian asked AAK to make samples. After 50 days, AAK sent 10 hydraulic counterbalance cartridge valve samples. 4 weeks after AAK hydraulic counterbalance cartridge valve samples were sent, Dorian told me that the equipment debugging was smooth and the market promotion had been started. I was asked to wait patiently for the batch order. The rapidity and stability of AAK optimized hydraulic counterbalance cartridge valve is the key to smooth equipment commissioning. It solves the contradiction between the rapid response and stability of the equipment in the early stage, and the flow change is moderate, the movement is stable, the safety overflow function is not affected by the back pressure, which can be applied to the closed center and open center hydraulic systems. 1. The middle section of the hydraulic counterbalance cartridge valve spool is provided with an inner concave ring, which is also the valve inlet. The right end of the inner concave ring has a cone, on which there is a two-stage stepped taper ring. The cumulative area of the cone is the same as the area of the cylinder end face at the right end of the counterbalance cartridge valve spool.

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