Many manufacturers have no solution to the hydraulic cartridge directional contr
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Many manufacturers have no solution to the hydraulic cartridge directional contr
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Ryan is from a hydraulic equipment company in Brazil. In the first half of this year, they had a hydraulic logistics equipment complained by users that the control was abnormal. The after-sales engineer found that the instantaneous peak pressure of the hydraulic cartridge directional control valve was too high during the reversing process, which affected the function of the hydraulic cartridge directional control valve and led to unstable equipment control, so the hydraulic cartridge directional control valve had to be replaced. The hydraulic cartridge valve manufacturer thought that the hydraulic cartridge directional control valve was produced according to the drawing, and its function and accuracy were up to standard. The valve was tested separately and no abnormality was found. The after-sales team was helpless, and the boss asked Ryan to re purchase the hydraulic cartridge directional control valve to solve the after-sales problem first. Ryan has no idea and no direction. He spent a week without any results.
Ryan found me under the introduction of his customer Bernardo, who is also a customer of AAK Hydraulic Valve. After learning Ryan's difficulties, according to his hydraulic schematic diagram and hydraulic cartridge directional control valve drawing, AAK engineers judged that the unstable control of the equipment was probably due to the original design of the hydraulic cartridge directional control valve, which had hidden dangers. I told Ryan that redesigning the hydraulic cartridge directional control valve and testing it might solve the customer's complaint at one time. After Ryan learned that AAK was 90% confident, he paid the development fee the next day. After 45 days, AAK sent 8 samples of hydraulic cartridge directional control valves.
Last week, Ryan informed by email that it has been 3 months since he replaced with AAK hydraulic cartridge directional control valves. The customer is satisfied with the operation of the equipment and the control has been normal. Their engineers disassembled our samples and admired our minds. In fact, our attempt is also very simple. A damping orifice with a length of 3mm and a diameter of 2mm is added inside the hydraulic cartridge directional control valve, which can throttle the rotation of the motor, further increase the back pressure, reduce the differential pressure borne by the hydraulic cartridge directional control valve, and finally ensure the stability of the equipment rotation control.
I told our engineer that the customer admired your mind. He told me that the optimization of the design of the hydraulic cartridge directional control valve was also associated with the strike of a machine tool in our workshop last time.
1. Why did the machine tool strike? Because the machine tool was overloaded, the fuse in the control panel was blown.
2. Why did overload occur? Because the lubrication of the bearing was insufficient.
3. Why was the lubrication of the bearing insufficient? Because the lubrication provided by the pump was insufficient.
Ryan found me under the introduction of his customer Bernardo, who is also a customer of AAK Hydraulic Valve. After learning Ryan's difficulties, according to his hydraulic schematic diagram and hydraulic cartridge directional control valve drawing, AAK engineers judged that the unstable control of the equipment was probably due to the original design of the hydraulic cartridge directional control valve, which had hidden dangers. I told Ryan that redesigning the hydraulic cartridge directional control valve and testing it might solve the customer's complaint at one time. After Ryan learned that AAK was 90% confident, he paid the development fee the next day. After 45 days, AAK sent 8 samples of hydraulic cartridge directional control valves.
Last week, Ryan informed by email that it has been 3 months since he replaced with AAK hydraulic cartridge directional control valves. The customer is satisfied with the operation of the equipment and the control has been normal. Their engineers disassembled our samples and admired our minds. In fact, our attempt is also very simple. A damping orifice with a length of 3mm and a diameter of 2mm is added inside the hydraulic cartridge directional control valve, which can throttle the rotation of the motor, further increase the back pressure, reduce the differential pressure borne by the hydraulic cartridge directional control valve, and finally ensure the stability of the equipment rotation control.
I told our engineer that the customer admired your mind. He told me that the optimization of the design of the hydraulic cartridge directional control valve was also associated with the strike of a machine tool in our workshop last time.
1. Why did the machine tool strike? Because the machine tool was overloaded, the fuse in the control panel was blown.
2. Why did overload occur? Because the lubrication of the bearing was insufficient.
3. Why was the lubrication of the bearing insufficient? Because the lubrication provided by the pump was insufficient.
Hydraulic Cartridge Directional
ID producto: 13257117
| Referencia: AAK364
| Vendido por:
AAK INDUSTRY CO., LTD
Fecha de alta del producto 27/10/2022
-
Modificado por el vendedor 27/10/2022
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