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Spinning frame overview



Spinning frame overview 1. The concept of spinning machine A spinning machine that drafts, twists and winds semi-finished rovings or slivers into spun yarn bobbins during the spinn…

Spinning frame overview

1. The concept of spinning machine
A spinning machine that drafts, twists and winds semi-finished rovings or slivers into spun yarn bobbins during the spinning process. The cooked sliver is drawn and twisted on the roving frame to make roving. The roving is drawn and twisted on the spinning frame to make spun yarn. The sliver is drawn and twisted on the roving frame to make roving. The combing machine combs the fibers into combed slivers and needles. The carding machine combines the slivers, the needle row drafts to improve the sliver structure, and the roving is further twisted and spun into spun yarn on the ring spinning frame.
2. The main basis for measuring the production quality of the spinning frame
1. Spindle and spindle speed
The production level of the spinning frame – the spinning frame is the main machine for spinning. The output and quality of the spinning machine are the main factors in the spinning process. A comprehensive reflection of the pros and cons of a process. The production unit of the spinning frame is the spindle, and the production level of the spinning frame is often measured by the output (kg) per thousand spindle hours. The production scale of a spinning mill is expressed by the total number of spindles with spinning machines.
2. End-break rate
The yarn spun on each spindle will break due to various reasons. The end-break rate is often expressed as the number of end-breaks that occur in one thousand spindle hours. The end-break rate affects labor productivity, equipment productivity, spinning quality and workshop dust content.
3. Package
The spinning frame is the most energy-consuming machine in spinning production. During the production process of the spinning machine, production will be stopped when a package (cop) is full, and spinning can continue only after the fallen bobbin is replaced with an empty bobbin. Therefore, the size of the package affects labor productivity, equipment productivity, and energy consumption.
Spindle speed, package and end-break rate are interrelated and restrict each other. They are signs of the technical level of spinning machines. They need to be comprehensively considered from social, technical and economic aspects to determine more appropriate values.
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