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Wuxi Shibang Machinery Manufacturing Co., Ltd

Contact: Zhou Jingli

Tel: + 86-510-85596218

Switchboard: + 86-510-83050666

E-mail: info@wxsbjx.com

Company website: www.wxsbjx.com

Address: Huishan District of Wuxi City Yangshan Industrial Zone Hengtong Road on the 7th


How to judge the quality of filter in the hydraulic

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How to judge the quality of filter in the hydraulic

Release date:2016-11-18 Author:shibang Click on:

From the process point of view, low-quality filter protective cover is only 0.5 mm, a good filter protective cover 1.5 mm. After an intuitive feel and found that only 1.8 kg of low-grade filter, a good filter 3.5 kg, the weight is low-quality filter 2 times.

      In order to better understand the difference between the hydraulic system filter and the low-quality filter in use, the two filter elements into the tank pressurized, so that filter rotation, in the same working conditions observed two filter filtration. Poor quality of the filter surface there are a lot of bubbles, and the bubble size is inconsistent, uneven distribution, a good filter above the bubble even and very small.

      Sealability, poor quality filter with a viscose for sealing, bonding is not strong, poor sealing, easy to produce uneven bubble phenomenon; good quality hydraulic system filter using a professional adhesive, sealing.

Annular gap type. When the buffer plunger into the cylinder bore with its matching hole, the hydraulic oil must be discharged through the gap, so that the piston speed decreases. As the gap with the same, so the buffer is not adjustable, and with the piston speed decreases, the buffer effect is gradually weakened.

     Orifice adjustable. When the cushion plunger into the cylinder bore on the hole, the hydraulic oil must be throttle to discharge. As the throttle is adjustable, so the buffer is also adjustable, but this adjustment is the buffer before the adjustment, in the buffer in progress, the buffer is still fixed.

 Hydraulic system, the hydraulic valve in the use of time will have to be too long after the dirt, the need for regular cleaning work, then how should clean it, the hydraulic cylinder manufacturers to introduce its cleaning steps and operating procedures.

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Removal. Although the hydraulic valve between the various parts of the bolt connection, but the hydraulic valve design is non-removable, if there is no special equipment or expertise, forced removal is likely to cause hydraulic valve damage. Therefore, before the demolition to grasp the structure of hydraulic valves and parts of the connection between the way, the demolition record the location of the relationship between the parts.

      Check cleanup. Check the valve body, spool and other parts of the dirt deposition, without damaging the work surface under the premise of the use of cotton yarn, brush, non-metallic scraper to remove the concentration of dirt.

      Fine washing. High-pressure cleaning with cleaning fluid positioning, and finally dried with hot air. Conditional companies can use the existing cleaning agents, individual occasions can also use organic cleaning agents such as diesel, gasoline.

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