2. Spinning doffing is an important link in spinning workshop production. All the work of doffing workers is centered on high quality, high yield and low consumption. The basic points are as follows:
1, well-organized, concerted action.
Spinning doffing group is a group of 4-6 people, so doffing workers should obey the unified scheduling and command of doffing group leader, and take their positions as soon as they arrive at the doffing machine, so as to achieve strict organization, coordinated action and consistent pace, and give full play to the collective strength.
2. Reasonable arrangement and mutual cooperation
The basic contents of doffing work are yarn shifting, threading, intubation, hair trimming, tube pressing and doffing. Reasonable organization of these work is an effective method to improve efficiency. Therefore, the methods of positioning number, program round trip, division of labor and cooperation, mutual cooperation and close cooperation are adopted to achieve the purpose of short downtime and high production efficiency.
3. Strengthen cleaning work and improve product quality.
Cleaning work should be reasonably and evenly arranged in the gap between each doffing in a shift. The methods of "three doing", "four fixing" and "five not landing" should be adopted. The cleaning work of doffer must be light, so as to prevent flying flowers from being brought into sliver and causing man-made defects.
4, improve the operation level, and constantly improve the production technology.
Doffing is the basic operation of doffing workers, so we must master it skillfully, learn more and explore more in the work, practice the operation technology well and improve the doffing speed.
5. Prevent human defects
When doffing begins, it is forbidden to attach the yarn to the back. It is forbidden to regenerate the head, wrap the head and splice to prevent flying flowers from bringing into the yarn during cleaning. Pay attention to whether the spindle tape is in the spindle disk to prevent the yarn from being tightly twisted or weakly twisted.
6, strengthen the sense of responsibility, improve quality awareness.
Don't leave your post for no reason. Once the yarn quality problem is found, report it immediately, carefully implement the operation method, implement the doffing time, shorten the doffing stop time and improve the spinning machine efficiency.
Extended data:
I. Spinning
Spinning process is the last process of spinning production. It is to twist, weave or knit the roving into a certain number of fine yarns that meet the quality standards or customer requirements. The spinning process mainly completes the following tasks:
(1) Drafting: The fed roving or sliver is evenly elongated and refined to a specific count required for spinning.
(2) Twisting: adding proper twist into the drawing to make the yarn have certain physical and mechanical properties such as strength, elasticity, luster and hand feel.
(3) Winding forming: the spun yarn is wound on the bobbin according to certain forming requirements, which is convenient for transportation, storage and subsequent processing.
Spinning is a very important process in spinning. The production scale of cotton mills is often expressed by the total number of spindles of spinning frames, and the spinning output is the basis for determining the number of machines in each process of cotton mills. The output and quality, the consumption of raw materials, mechanical materials and electricity, labor productivity and equipment intact rate also reflect the production technology and management level of spinning mills.
Second, the combination point of doffing
The joint requires fast action, good quality and short joint, so that the spun cotton yarn is of high quality.
Step by step, more important, self-help.
1, extubation mainly depends on the middle finger of the left hand, supplemented by the ring finger. It is light and quick to hold the spool and extubate.
Step 2 find the head. Pinch the yarn head with the thumb and forefinger of the right hand, draw the yarn out and quickly find the position of the yarn head.
3. Suu is led out from the bottom of the bobbin, and the length of large and medium-sized wires led out from the upper part of the bobbin is shortened as far as possible, which does not affect intubation and wire lifting.
4. Extend the traveler's right index finger out of the traveler, and fasten the traveler's hands with your fingertips to keep them at a basic level.
5. Insert the catheter vertically with a little force during intubation.
6. Bypass the yarn guide groove and the chuck at the same time. The length of the chuck is generally 16-22mm.
7. The right index finger of the connector gently picks up and pinches the yarn head, aiming at the right side of the beard.
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