How to Select Cutting Machine for Plastic Pipe Production Line

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The extruder production line can continuously produce plastic pipes. Because the pipe production is uninterrupted and the pipe has a standard fixed length, in order to ensure the standard length of the pipe, we need to use the cutting machine as an auxiliary device to cut the pipe according to the required length. Different pipe specifications will use different cutting machines, so how should we choose a cutting machine?


Pipe cutting methods can generally be divided into two types: manual cutting and automatic cutting. When the pipe diameter is small (within 50mm), many manufacturers will use saws for manual cutting in many cases. However, in order to improve the production efficiency and ensure the length accuracy of plastic pipes, the current production line of extruders will also be equipped with automatic cutting machines.


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The cutter used on the extruder can be cut with a circular saw blade or with a circular grinding wheel. The saw blade or grinding wheel is directly driven by the motor and V-belt to rotate at high speed. When the pipe running forward reaches the required length, the clamping device on the cutting machine clamps the pipe, and the saw blade starts to cut the pipe. At this time, the whole clamping and cutting mechanism slides forward along with the extrusion traction force of the pipe moving forward on the track of the cutting machine. When the pipe is cut, the saw blade stops rotating, the clamping device opens, and the cutting clamping device returns to its original position along the original forward track to prepare for the next cutting action.


For some small-diameter pipes, we will choose the knife lift cutting machine, which is the simplest and has low cost. This type of cutting machine is generally used for pipes with low production requirements.

Sometimes we will choose dust free cutting machine, which has a complex manufacturing process and good cutting effect. Generally, this kind of cutting machine will be selected for pipe production with high requirements for production environment.


When we use plastic extruders to produce pipes with large diameters, we will use planetary automatic cutting machines, which are composed of multiple saw blades with small diameters and form a circle around the pipes to be cut. When the pipe needs to be cut, these small diameter saw blades can both rotate at high speed and revolve around the outer circle of the pipe. This method can cut large diameter pipes with fast cutting speed and flat end face.


The above are some simple information about how to select the cutting machine when the extruder production line is producing pipes. If you have more needs, please call us for details or visit the factory. Jiangsu Xinrongplas Machinery Co., Ltd., as a manufacturer with many years of complete equipment for extruder production line, has a lot of equipment manufacturing experience and can provide you with professional technical guidance and equipment procurement advice.

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