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气动卡套接头安装尺寸详细说明

来源:本站 时间:2019-04-16 16:41:33 浏览次数: 284

[导读]: 卡套式管接头即使是同一厂家的同一批货,这几种接头体上锥形孔的深度往往不相同,结果就造成了泄漏,而此问题往往被忽视。卡套式管接头预装是最重要的环节,直接影响到密封的可靠性。一般需要专用的预装器。管径小的接头可以在台钳上进行预装。具体做法是,用一个接头体作为母体,将螺母、卡套压紧到管子上即可。主要有卡套式直通管接头、卡套式端直通接通头、卡套式三通管接头等型式。

气动卡套式管接头安装尺寸详细说明 

1、预装。卡套式管接头即使是同一厂家的同一批货,这几种接头体上锥形孔的深度往往不相同,结果就造成了泄漏,而此问题往往被忽视。卡套式管接头预装是最重要的环节,直接影响到密封的可靠性。一般需要专用的预装器。管径小的接头可以在台钳上进行预装。具体做法是,用一个接头体作为母体,将螺母、卡套压紧到管子上即可。主要有卡套式直通管接头、卡套式端直通接通头、卡套式三通管接头等型式。 管子一端用什么样的接头体连接,对应的连接端则用相同类型的接头预装,这样能最大限度地避免出现泄漏问题。 管子端面应平齐。管子锯断后应在砂轮等工具上打磨平齐,并且去除毛刺,清洗并用高压空气吹净后再用。 预装时,应尽量保持管子与接头体的同轴度,若管子偏斜过大也会造成密封失效。预装力不宜太大。应使卡套的的内刃刚好嵌入管子外壁

,卡套不应有明显变形。在进行管路连接时,再按规定的拧紧力装配。φ6-10mm卡套的拧紧力为64-115N、φ16mmr 259N、φ18mm的为450N。如果在预装时卡套变形严重,会失去密封作用。

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2、禁止加入密封胶等填料。有人为了取得更好密封效果,在卡套上涂上密封胶,结果密封胶被冲入液压系统中,造成液压元件阻尼孔堵塞等故障。

3、连接管路时,应使管子有足够的变形余量,避免使管子受到拉伸应力。

4、连接管路时,应避免使其受到侧向力,侧向力过大会造成密封不严。

5、连接管路时,应一次性紧好,避免多次拆卸,否则也会使密封性能变差。 

Installation dimensions of pneumatic bayonet type pipe joints

1. Preloading. The tapered hole depth on the body of the bayonet joint is often different, even if it is the same product from the same manufacturer. As a result, leakage is caused, and this problem is often ignored. The preinstallation of bayonet type pipe joint is the most important link, which directly affects the reliability of sealing. Special presetters are generally required. Smaller joints can be preassembled on a vise. The concrete way is to use a connector body as the mother body and press the nuts and clamps onto the pipe. The main types are bayonet type through pipe joint, bayonet type end through connector, bayonet type three-way pipe joint and so on. What kind of joint body is used to connect one end of the pipe, and the corresponding joint end is preassembled with the same type of joint, so as to minimize leakage problems. Pipe ends shall be flush. After the pipe is cut, it shall be polished and leveled on tools such as grinding wheel, and burrs shall be removed, cleaned and blown clean with high-pressure air before use. When preloading, try to maintain the coaxiality between the pipe and the joint body. If the pipe deflection is too large, it will cause seal failure. Preload should not be too large. The inner edge of the sleeve should be inserted into the outer wall of the pipe, and the sleeve should not be deformed obviously. When connecting pipes, assemble them according to the specified tightening force. The tightening force of a 6-10mm caliper with a diameter of 64-115n, a diameter of 16mmr 259N and a diameter of 18mm with a diameter of 450N. If the clamp is seriously deformed during preassembly, it will lose its sealing function.

2.do not add sealant and other fillers. Some people in order to achieve better sealing effect, in the card sleeve coated with sealant, sealant was flushed into the hydraulic system, resulting in hydraulic components, such as the failure of the damping hole plug.

3. When connecting the pipe, the pipe should be provided with sufficient deformation allowance to avoid tensile stress.

4.when connecting the pipeline, should avoid to make it subject to the side force, side force is too large resulting in loose seal.

5.when connecting the pipeline, should be a one-time tight, avoid multiple disassembly, otherwise it will make poor sealing performance.

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标题:气动卡套接头安装尺寸详细说明 地址:http://www.ep-part.com/content/249.html
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