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Textile and apparel industry to knitted fabric printing process.
Published : 2012-11-28
 
 

Core tip : knitted fabric printing in a short span of ten years of rapid development, but because of its dimensional stability during the processing process is difficult to control, makes the knitwear, especially containing Spandex Knitted Fabric rotary screen printing difficult to develop, which in addition to cotton knitted fabric with its size plasticity, a cloth feeding when the drape weight and cloth feeding frame tension, but also by the speed change of the tensile force.

Knitted fabric printing in a short span of ten years of rapid development, but because of its dimensional stability during the processing process is difficult to control, makes the knitwear, especially containing Spandex Knitted Fabric rotary screen printing difficult to develop, which in addition to cotton knitted fabric with its size plasticity, a cloth feeding when the drape weight and into the cloth frame tension, but also by the speed change of the tensile force, flower shape and size are more difficult to control, meet the geometry pattern more difficult to maintain the flower shape the spirit of the original, are difficult to achieve satisfied result. It must be on the whole process to take necessary control, can be solved.

Containing spandex knitted fabric printing process. Weaving width opening rollingloose cloth( steam ) to a predetermined shapepretreatment( dyeing )printing steaming washing dehydration, drying and setting. Color design method. Computer color drawings, according to the first fabric varieties, elasticity, flower type return, sets, printing methods ( direct printing, printed out, resist printing ), two-tone complex color, and sent the drawings scaled to meet the production requirements of the specification. Printing size scaling. In return the permit conditions. In general cotton spandex spandex content in 3% ~5% between, must take into account the entire printing process design. In a draft system at the same time have developed round net printing parameters. The above data printing speed control in 30 ~ 40m/min application, if the printing speed is in 50m/min above, then the flower shaped warp elongation ratio requirement is greater, but the general printing speed below 40rn/min, whether in a flower or quality are relatively easy to control.

Knitted fabrics and woven fabrics, weaving is relatively loose, permeability is better. Therefore, in the processing of drawings and shuttle weaving printing release is slightly different. In knitted fabric dye direct printing, printing slurry permeability is better, the general color from 8 to 16 strands, in printing equipment precision allowed, with 8 wire, guarantee the printing precision, at the same time in the process of laminated color printing, minimize the full cover three complex color, prevent printing pressure paste; resist printing with pigment resist reactive and active and active, pigment resist reactive process, because the paint printing edge is not easy to open, printing paint color draft, size according to a color version for painting, and active spent full cover coating; reactive resist reactive printing, printed out color as far as possible do not cover each other with complex color, but can make the white part of the whole cover in which is connected with the printing process, can increase the colored part of the color brightness, and does not cause Stubbs India and produces white edge. In the color painting processing, in addition to the above the printing effect and related requirements, general principles is consistent with the original spirit, put the flowers release style on the cloth.

According to the pattern and precision of different fabric thickness permeability requirements to choose nickel wire mesh, nickel net is the stamp essential materials, commonly used nickel net mesh 40, 60, 80, 105, 125, 155 etc.. Nickel network through slurry rate is an important index, of course, the actual amount of slurry and slurry viscosity, scraper or bar size and pressure, speed of printing, fabric and other factors. But compared with woven fabric, knitted fabric printing pattern is rough, so the same flower type, used for printed knitted fabric choice on the mesh is woven cloth is a. 125 heads L55 head, mainly used for printing the special fine pattern. If a terry cloth pull plush or velvet printing, printing fine degree will be cloth texture effects, then the high mesh are difficult to reflect the effect of printing fine patterns, mainly considering the permeability mainly printing. Therefore, nickel net objective selection mainly according to the specific circumstances of the plant.

 
 
 
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女人下面的黑森林真实图片,毛很浓密超多黑毛的少妇,男人放进女人阳道图片39