Precautions for pre-installation of crimping machine

Time of issue:

2021-12-20

Precautions for pre-installation of crimping machine The crimping machine is one of the main products provided by our company. What are the pre-installation precautions of the crimping machine? The editor of the crimping machine manufacturer will introduce you: 1. The pre-assembly of the card sleeve pipe joint is an important part of Z, which directly affects the reliability of the seal. A special pre-installed device is generally required. Small pipe diameter joints can be pre-assembled on the vise. The specific method is to use a joint body as the mother body, and press the nut and the ferrule onto the pipe. There are mainly ferrule-type straight-through pipe joints, ferrule-end straight-through connectors, ferrule-type three-way pipe joints, etc. The author found that even for the same batch of goods from the same manufacturer, the depth of the tapered holes on these types of joint bodies are often different, resulting in leakage, and this problem is often overlooked. The correct method should be what kind of joint body is used to connect one end of the pipe, and the corresponding connection end is pre-assembled with the same type of joint, so that leakage problems can be avoided to the greatest extent. 2. The end of the pipe should be flush. After the pipe is sawn, it should be smoothed on a grinding wheel and other tools, and the burrs should be removed, cleaned and blown with high-pressure air before use. 3. When pre-installing, try to keep the coaxiality between the pipe and the joint body. If the pipe deflection is too large, it will cause the seal to fail. 4. The pre-installation force should not be too large. The inner blade of the ferrule should be just inserted into the outer wall of the pipe, and the ferrule should not be significantly deformed. When the pipeline is connected, it is assembled according to the specified tightening force. The tightening force of φ6-10mm ferrule is 64-115N, φ16mmr 259N, and φ18mm is 450N. If the ferrule is severely deformed during pre-installation, the sealing effect will be lost.

1. The pre-assembly of the card sleeve pipe joint is an important part of Z, which directly affects the reliability of the seal. A special pre-installed device is generally required. Small pipe diameter joints can be pre-assembled on the vise. The specific method is to use a joint body as the mother body, and press the nut and the ferrule onto the pipe. There are mainly ferrule-type straight-through pipe joints, ferrule-end straight-through connectors, ferrule-type three-way pipe joints, etc. The author found that even for the same batch of goods from the same manufacturer, the depth of the tapered holes on these types of joint bodies are often different, resulting in leakage, and this problem is often overlooked. The correct method should be what kind of joint body is used to connect one end of the pipe, and the corresponding connection end is pre-assembled with the same type of joint, so that leakage problems can be avoided to the greatest extent.

2. The end of the pipe should be flush. After the pipe is sawn, it should be smoothed on a grinding wheel and other tools, and the burrs should be removed, cleaned and blown with high-pressure air before use.

3. When pre-installing, try to keep the coaxiality between the pipe and the joint body. If the pipe deflection is too large, it will cause the seal to fail.

4. The pre-installation force should not be too large. The inner blade of the ferrule should be just inserted into the outer wall of the pipe, and the ferrule should not be significantly deformed. When the pipeline is connected, it is assembled according to the specified tightening force. The tightening force of φ6-10mm ferrule is 64-115N, φ16mmr 259N, and φ18mm is 450N. If the ferrule is severely deformed during pre-installation, the sealing effect will be lost.

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