blog - Hanma

What is woolen and worsted? Analysis and difference of worsted, semi worsted and woolen

What is woolen and worsted? Woolen cashmere and worsted cashmere, in short, are two kinds of yarns with different thicknesses in appearance due to different technological processes in the process of spinning cashmere into yarn.In the spinning process, there is a process called combing, and the yarn produced by this process is called combed yarn, …

When adjusting the machine, how to adjust the roundness and flatness of the needle cylinder and needle disc?

Readers’ questions:When adjusting the machine, how to adjust the roundness and flatness of needle cylinder and needle disc? What should we pay attention to when adjusting?Expert answer:The operation process of the circular machine is essentially a movement process dominated by the circumferential rotation of parts. Most parts are installed and operated around the same center. …

Basic knowledge of common bead mesh, sweat cloth and Roman cloth

That is, the fabric is formed by bending the yarn into circles and stringing each other with knitting needles. Knitted fabrics are divided into weft knitted fabrics and warp knitted fabrics. Weft knitted fabric is first woven horizontally. And it is formed by one continuous yarn beating into loops.Weft knitted fabrics are easier to produce, …

Relationship between slub yarn characteristics and fabric style

Slub was originally a kind of common defect in textile production. Due to the influence of some problems in the spinning process, such as drafting, uneven thickness, and so on, the yarn has uneven fineness locally, forming bulges similar to slub, producing slub defects, and affecting the quality of fabric.However, when this kind of protrusion …

What is a knitted double rib weave?

Double rib structure 1. Definition 2.Features (1) The longitudinal front coil of one rib weave covers the longitudinal back coil of the other rib weave, and the front coil is displayed on both sides of the fabric. Double front organization.(2) A coil row is formed by two adjacent looping systems (two yarns), so the adjacent …

Maintenance specification for circular knitting machine

Purpose This regulation is formulated to provide rules for the daily maintenance and repair of the production equipment of our company, so as to maintain the normal operation of the production equipment and reduce the equipment failure rate Scope of application Workshop circular machine. Content 3.1 person in charge The technical team of the production …

What is three threads in cotton yarn?

What is the meaning of three threads in cotton yarn? Cotton “three silk” refers to non-cotton fibers and colored fibers mixed into raw cotton that have a serious impact on the quality of cotton and its products, such as chemical fiber, hemp silk, plastic film, plastic wire, rope, cloth, paper, human, dog, mouse, chicken, duck …

How to distinguish pure cotton from polyester cotton?

How to distinguish pure cotton from polyester cotton? Characteristics of pure cotton fabrics ① Hygroscopicity: cotton fiber has good hygroscopicity. Under normal circumstances, the fiber can absorb water into the surrounding atmosphere, with a moisture content of 8-10%, so it contacts people’s skin and makes people feel soft but not stiff. If the humidity of …

What is POLAR fleece? what machine make it

With the advent of autumn and winter recently, the temperature is getting lower and lower, which also tests the dressing skills of trendsetters. Compared with the bulky down jacket and heavy coat on the upper body, fleece is undoubtedly a more “alternative” choice. In addition to the advantages of warmth retention, air permeability and weight, …

What is polyester fiber

History of polyester fiber In 1941, British J.R. Winfield and j.t. Dixon first developed polyester fiber in the laboratory with terephthalic acid and ethylene glycol as raw materials, named terylene. In 1953, the United States produced a polyester fiber with the trade name Dacron. Subsequently, polyester fiber has developed rapidly all over the world. In …