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Of pure bamboo fiber development and production of bedding

Currently, an endless stream of new fiber, bamboo fiber for its unique features and advantages, by people of all ages, used more and more widely, especially for textile products. Bamboo fiber fabric with high moisture absorption, quick drying, air permeability, drape, feel creamy fullness, such as silky feel, cool and comfortable. Excellent performance of its dyeing, shiny, and has good natural anti-bacterial effects and environmental protection, conforms to the trend of people seeking health and comfort. Its breaking strength of bamboo fiber is low, so there is some difficulty spinning, fine yarn in particular. I have to meet the market demand, customer needs, the gripper on the development and production of a difficult bedding of pure bamboo fiber, bamboo fiber 14.8/14.8 551.2/366 specifications for the 3203 / 1 left twill. Our process from spinning to weaving to analyze one by one study, carried out selection process to determine the control points. Ultimate success of the production of the products to meet market demand, customer needs. Here on the product in the production process and technical measures taken by the control points, a little introduction for reference.

A bamboo fiber material index

The test weaving bamboo fiber production for the two kinds of specifications: 1.56 dtex38 mm and 1.33 dtex38 mm, in order to determine which size of bamboo fiber is more suitable for the production. The physical indicators are as follows.

Item 1.56 dtex 1.33 dtex

38 mm 38 mm

Dry tensile strength / cN? Dex -1 2.27 2.25

Wet tensile strength / cN? Dex-1 1.26 1.27

Stem Elongation /% 19.8 18.8

Line density error rate /% 2.56 -3.76

Long fiber /% 0.5 0.5

Times as long fibers / mg? (100 g) -1 3.5 3.6

Defect point / mg? (100 g) -1 3.0 3.8

Oil content /% 0.24 0.21

Regain /% 12.29 12.52

2 Determination of the textile process

2.1 The Ministry of Textile Process

Bamboo fiber impurity less staple a small, smooth, single fiber strength, low, easy to damage. In order to reduce the damage of bamboo fiber, according to "reduce the combat, low-speed, short-flow" principle, determine the process: clean cotton (1171 machines) Carding (1181C-type machine) pre-and (FA302-type machine) head and (FA302-type machine) 2, and (FA311-type machine) roving (A454G-type machine) Spinning (FA506-type machine) Murata automatic winder (MC 7-2 machines).

2.2 Oribe process

Bamboo fiber yarn strength, low, easy to damage. In order to protect the yarn, reducing hairiness and elongation, to take "small tension, a small stretch" principle to ensure the stability and improve weaving efficiency, identify process: Warping Machine (D31000-type machine) sizing machine (Tsudakoma HS20-type machine) reeding machine (G177-type machine) gripper loom (Sulzer P7100-type machine) inspection machine folding machine packing storage.

3 Quality Control of Spinning and Weaving

3.1 Quality control of spinning

Bamboo fiber yarn strength low fineness small, requiring departments to speed, tension is low control, roving, yarn twist appropriate increase. In the production process, special attention and rough, spinning process to control temperature and humidity, relative humidity at 65% to 70% range, or easy to produce the phenomenon of bound rubber roller, causing hardship. Spinning the process to go through a selection process parameters. Yarn quality control program for the main yarn strength, power CV, details. Of course, the more beneficial the higher yarn strength weaving, but even more requirements. The minimum strength of yarn to the weaving department of the impact of the average strength of the increase will not be solved.

3.2 Quality control of weaving

In order to smoothly weaving processes, improve product quality. According to the requirements of species to establish reasonable parameters. Sizing main control sizing, sizing rate, increased rate, decreased rate of hairiness, elongation, etc.; weaving through the main control line of position, opening height, opening time, picking time, tension and other parameters on the machine.

4 The main technical measures for process

4.1 Process and Cleaning

Bamboo fiber impurity was little, good length uniformity, reduced grip on the fight against technology point of fighting over a small comb, increasing anti-sticking device, control a good lap uniformity.

4.2 Carding

Increase the role of bamboo fiber carding, removing and preventing the formation of neps. Gauge cylinder cover moderate, less than polyester, cotton more than.

4.3 and shall process

Selected set of cotton Width and reasonable draw ratio, the speed with smaller suitable. Article irregularity carefully controlled.

4.4 roving process

"Big gauge, heavy pressure, small tension, low speed, big twist" as the principle for the adjustment of process parameters to ensure the quality and stability after the procedure.

4.5 Spinning Process

The key is to control the process indicators and details of the indicators of good strength, reduce the difference between Taiwan tablets eye to maintain the stability of yarn strength, uniformity. Details of the resulting yarn strength is low and the Organization Department of the main factors of production difficulties, therefore, reduce the details of the eyes to reduce Taiwan ingot poor need our untiring working to solve the problem. Emphasis from three aspects:

(1) to enhance equipment maintenance and dynamic management to ensure the integrity and proper functioning of equipment.

(2) to strengthen post-spinning equipment selection, use, maintenance and lifecycle management, different varieties, fiber properties, and make appropriate adjustments.

(3) to strengthen Tenders operation, tour, increase cleaning frequency. Spinning spindle speed is low to grasp, twist factor appropriate to increase.

The test spinning two different specifications of bamboo fiber yarns. First with 1.56 dtex38 mm bamboo fiber spinning; the second time with 1.33 dtex38 mm bamboo fiber spinning. In 1.33 dtex38 mm bamboo fiber spinning, the pilot had been shot in the spinning frame and soft roller roller, the yarn indexes in Table 1.

Spinning drive the process is relatively smooth, less breakage. Driving with soft roll, wrapped around rollers more. Yarn from the indexes, indexes were little, so a shot in the rubber roller production.
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