Machinery Options to Spin Blended Yarns.

Sliver blending at the drawing machine or combing machine and blending in the blowroom via manual feeding and weighing in ring spinning mills does not efficiently blend more than two components or results in blends with very small proportions of one or more components. Automatic blending in the blowroom via belt weighing, weight pan, or a..

New Machines with High Productivity for Wool Combing and Preparation.

Sant'Andrea Novara specializes in the manufacture of wool combing and preparation machines for the international market. Its RF4 roving machine is notable for high speeds, process flexibility, and robust construction. The RF4/a processes extra fine, fine, and medium yarn counts with a high level of output. The CSH drawing machine with mul..

A New Technique for the Production of Staple Fibre Yarns.

The Rotec method of continuous drafting uses rolls with teeth in both directions that operate at different speeds. The forward facing teeth on a faster roll and the backward facing teeth on a slower roll comb through the fibrous material at a 65 degrees angle to the common tangent. A maintains contact with the fibers throughout the drawin..

Higher Flexibility and Economy in Spinning Preparation.

Spinning mills in India must diversify their operations by combining carded, combed, and open end rotor spinning, as well as processing both cotton and manmade fibers. Mills should use draw frame blending machines for combed cotton fibers. Trutzschler's Blendomat BDT tuft blending machine blends fibers in the blowroom prior to carding. Gr..

Latest Developments and Future Trends in Spinning.

An overview of spinning processes that impart true twist, false twist, or no twist to yarns addresses open end, rotor, vortex, friction, DREFⅡ, DREFⅢ, electrostatic, fasciated yarns, self twist, air jet, and Twilo twistless spinning. Such bicomponent spinning processes with continuous wrapping twist as cover spinning and the Bobtex inte..

Automatic Installations for Continuous Spinning - An Optimized Concept from One Supplier.

Zinser's continuous spinning line consists of the RO-WE-MAT 670, 350 spinning machine, Synchro-Drive and Synchro-Draft control systems, Fix-Flow and Flex Flow transport systems, and CIM Tracks creels, which can be linked with Schlafhorst's Autoconer winding machine. The RO-WE-MAT 670 includes a drafting machine, flyer, bobbins, and a rail..

Air-Covering and Elastane - A Combination with Potential.

Air jet covering satisfies the demand for cost effective and flexible manufacture of elastane yarns. Advancements in Spunjet technology permit the use of flat and staple yarns during air jet covering. The physical properties of the raw material must be considered when spinning elastane yarns. Conventional elastane yarns achieve good cover..

Effect of Mechanical Processing on the Characteristics of Cotton Fibre.

A study examined the effects of blowroom, carding, combing, and drawing machines on such cotton fiber properties as length and nep content. Blowroom processing reduced the means length and length coefficient of variation and increased short fiber and nep content. Rich, moderate, and poor mixing reduced mean fiber length by 11.6 percent, 6..

Spinning in the New Millennium

An overview of improvements in the manufacture of manmade staple fibers highlights developments in carding, drawing, spinning, and winding machines. Trutzschler's DK 903 carding machine is manufactured from stainless steel to avoid finish buildup and can be adapted to process manmade fibers. Rieter's RSB-D30 drawing machine offers higher ..

Is an Automatic Transportation Worth-while ?

A spinning mill must consider the costs of spinning machines, manufacturing conditions, constraints of the mill, and return on investment before purchasing automatic materials handling equipment. Rieter Textile Systems offers several automatic transport systems, including the CANlog, CUBIcan, and CANlink systems.