With 3 Steps of heat-treated valve spool, AAK Hydraulic Cartridge Needle Valve h
$ 30 /unidad
IVA no incluido
Cantidad mínima: 100 unidades
Tiempo de entrega: 3 meses
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With 3 Steps of heat-treated valve spool, AAK Hydraulic Cartridge Needle Valve h
:
Muhammad is from a hydraulic equipment manufacturing company in Turkey. He has been purchasing smoothly for 3 years, but stumped by the valve spool of a hydraulic cartridge needle valve. At the beginning of last year, some of their customers complained that the positioning of the paper cutter was incorrect because of the leakage of the hydraulic cartridge needle valve. The original manufacturer said that the hydraulic cartridge needle valve spool was worn due to 24H operation of the equipment, which can only be replaced every 8 months, and can only guarantee the service life of 1 million times. The boss was not satisfied with the after-sales service of the original hydraulic cartridge needle valve manufacturer and asked Muhammad to find a manufacturer with a service life of no less than 2 million times.
Muhammad left a message on AAK website: Can you customize the hydraulic cartridge needle valve with a service life of 2 million times? Especially, the valve spool shall be absolutely wear-resistant. After communication, it was learned that the original manufacturer's valve spool was out of use after 1 million times, and the boss asked him to find 3 factories to sample at the same time. This hydraulic cartridge needle valve is a standard part of HydraForce, and most hydraulic cartridge valve manufacturers have existing procedures. As long as the production process of valve spool is further upgraded, the wear resistance will be at least doubled. After 15 days, AAK sent 5 hydraulic cartridge needle valves.
Last week, Muhammad sent a PO for 600 hydraulic cartridge needle valves. Their engineers selected AAK hydraulic cartridge needle valves. In the PK among the 3 factories, AAK valve spool has the strongest wear resistance, and it is safe for 2 million times.
Because the working condition of the equipment requires high wear resistance of the valve spool, in view of this hidden danger, AAK hydraulic cartridge needle valve spool is heat treated by 3 steps:
1. First of all, the stress relief heat treatment shall be carried out by heating in stages. The heating temperature of the first stage is 380 ℃, and the heat preservation shall be 1H after reaching the temperature. The heating temperature of the second stage is 530 ℃, and the heat preservation shall be 45min after reaching the temperature. The heating temperature of the third stage is 720 ℃, and the heat preservation shall be 30min after reaching the temperature. The air cooling shall be 300 ℃, and then the air cooling shall be conducted to room temperature.
2. Secondly, carry out 2 times of quenching, heat the valve spool to 800 ℃, hold it for 2H, then immerse it in quenching oil, hold it at 65 ℃ for 40min, then cool it to room temperature, and wash and dry it. The valve spool shall be quenched for a second time, and the temperature shall be kept at 700 ℃ for 1H, and then immersed in quenching oil. Hold at 85 ℃ for 55 min, then cool to room temperature, and wash and dry.
Muhammad left a message on AAK website: Can you customize the hydraulic cartridge needle valve with a service life of 2 million times? Especially, the valve spool shall be absolutely wear-resistant. After communication, it was learned that the original manufacturer's valve spool was out of use after 1 million times, and the boss asked him to find 3 factories to sample at the same time. This hydraulic cartridge needle valve is a standard part of HydraForce, and most hydraulic cartridge valve manufacturers have existing procedures. As long as the production process of valve spool is further upgraded, the wear resistance will be at least doubled. After 15 days, AAK sent 5 hydraulic cartridge needle valves.
Last week, Muhammad sent a PO for 600 hydraulic cartridge needle valves. Their engineers selected AAK hydraulic cartridge needle valves. In the PK among the 3 factories, AAK valve spool has the strongest wear resistance, and it is safe for 2 million times.
Because the working condition of the equipment requires high wear resistance of the valve spool, in view of this hidden danger, AAK hydraulic cartridge needle valve spool is heat treated by 3 steps:
1. First of all, the stress relief heat treatment shall be carried out by heating in stages. The heating temperature of the first stage is 380 ℃, and the heat preservation shall be 1H after reaching the temperature. The heating temperature of the second stage is 530 ℃, and the heat preservation shall be 45min after reaching the temperature. The heating temperature of the third stage is 720 ℃, and the heat preservation shall be 30min after reaching the temperature. The air cooling shall be 300 ℃, and then the air cooling shall be conducted to room temperature.
2. Secondly, carry out 2 times of quenching, heat the valve spool to 800 ℃, hold it for 2H, then immerse it in quenching oil, hold it at 65 ℃ for 40min, then cool it to room temperature, and wash and dry it. The valve spool shall be quenched for a second time, and the temperature shall be kept at 700 ℃ for 1H, and then immersed in quenching oil. Hold at 85 ℃ for 55 min, then cool to room temperature, and wash and dry.
Aak hydraulic valves
Hydraulic Cartridge Needle
ID producto: 13980889
| Referencia: AAK468
| Vendido por:
AAK INDUSTRY CO., LTD
Fecha de alta del producto 08/02/2023
-
Modificado por el vendedor 08/02/2023
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