PIRN WINDING PDF

Cop winding machine is usually used for jute winding process in textile sector. It has four heads, by which winding machine can be wound 4 cops at a time. Also, it has clamps by which the machine can control the length of yarn. Cop winding machine is totally in auto stop motion system. Fig: Cop winding and pirn winding machine difference Features of Cop Winding Machine: Some key features of cop winding machine have pointed out in the below: Here, necessary amount of pressure has needed to form cop.

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Film winding machines Foil winding machines In this blog, we will discuss about cop winding and pirn winding machines, and how they both differ. Cop winding machines Cop winding machines are generally used in the textile industry to wind jute and supply the weft yarn.

The machine has four heads, which helps it to wind four cops at the same time. It also has clamps that help the machine to control the length of the yarn. Moreover, the shape and size of the cop can be easily adjusted. Tube or bobbins are not used here to form cops, but necessary amount of pressure is needed for the same. Two notable features of cop winding machines are that these machines are completely in auto-stop motion system; and that the output winding package is smaller than the supply package.

Pirn winding machines Pirn winding machines are available in two types — automatic pirn machines, and ordinary pirn machines. Both these machines are suitable for winding cotton, nylon, silk, wool, and synthetic polyethylene fiber yarns. A pirn winding machine generally consists of four spindles.

Two such machines can be joined together to obtain eight spindles, where each unit of 4 spindles and 8 spindles can be driven individually. How are cop winding and pirn winding machines different? As mentioned above, the weft package in cop winding machines are of jute, while that of pirn winding machines is cotton.

Another clearly explained feature above is that cop winding machines facilitate the winding of only four cops at a time, while pirn winding machines can wind more than four pirns at a single given time. In cop winding machines, each of the four cops can be wound by a separate motor, meaning the availability of four different motors; while in pirn winding machines, only one motor is used for a single machine. In cop winding machines, the cop creates pressure n the winding package, while there is no pressure on the winding package in pirn winding machines.

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Difference Between Cop Winding and Pirn Winding Machine

Film winding machines Foil winding machines In this blog, we will discuss about cop winding and pirn winding machines, and how they both differ. Cop winding machines Cop winding machines are generally used in the textile industry to wind jute and supply the weft yarn. The machine has four heads, which helps it to wind four cops at the same time. It also has clamps that help the machine to control the length of the yarn.

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