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(1) Into the row side of the row to be neat. Regardless of the fabric on which the dyestuff is to be dyed, first, push a pre-stitched one-roll fabric onto the front of the cylinder, pull out a piece of splice fabric on top, and the fabric is facing outwardly toward the guide rollers to avoid being The dead roll is scratched and then passed through the expander roll and the bottom guide roll (above the steam tube), wrapped around the opposite take-up roll, and the fabric is then centered into the cylinder with a piece of connector cloth wrapped around Cloth side of the pay roll. However, no matter after the pre-treatment of wet cloth, or dry fabric to keep one side tidy, the other side there will be some irregularities (irregular) This is normal, but not allowed to tidy both sides. Second, set the automatic transfer (reversing), counting device, drive the fabric into the roll back (1), as the case may be normal, you can clear the raffinate liquid cylinder, the new liquid to the prescribed bath ratio. Finally, the general in-cylinder blank bath warmed to 40. C, according to process requirements for feeding.
(2) Dissolve the dye separately, add the material evenly on both sides. To join the jigger of any kind of dye material should pay attention to 3:00: ① unskilled, you must stop feeding, avoid walking while adding; ② dyes are dissolved in advance to be used; ③ when you join a must Divided into two, joined on both sides, after the addition of each side, you must use bamboo, wood or stainless steel stick back and forth to make it even, and the residue attached to the cylinder flush with the right amount of water to the tank, keep Cleaner production, develop good operating habits. (3) adjust the width of fabric expansion frame (scaffolding). According to the fabric thickness / thin adjustment, such as Nisi Fang, Dita Fu and Chun Yafang and other thin fabrics, shed j middle of the convex and both ends can only be higher than 1.5-2cm, such as both ends of the scaffolding and the middle convex The difference is too large, it will make the fabric with liquid (wiping) differences, made I into uneven color depth; the opposite, both ends of the scaffolding and the middle convex too small (flat), but also easy to fabric wrinkles. Practice has proved that both ends of the scaffolding and the middle I convex 2-3cm generally appropriate. Like canvas, corduroy, velveteen like thick fabric at both ends and the middle of the bulge can not be greater than 5cm. In short, for a variety of dyeing must be adjusted to expand the shelf, or higher or lower some, should not be unchanged.
(4) adjust the reel tension. Dyeing machine dyeing is relying on the fabric and fabric compression between the dye. Therefore, we must control the tension dyeing, but also with the fabric thickness changes to be constantly adjusted, because the tension of the reel is too large, often make the fabric broken off, the fabric will even pull into chapped; the contrary, when the tension is too small , The light will make the color produce flowers, especially vat dyes; serious fabric in the process of reciprocation will produce slippage, resulting in uneven on both sides, and sometimes even "inverted cylinder" (that is, Re-pour the fabric on the shaft, and then adjust the tension, neat row into the cylinder).
(5) In the dyeing process should pay attention to observe: ① directly heated steam pipe on both sides of the jet out of the force (steam size) are the same? Sometimes blocked by the lint poor, such as such cases, which need to be timely Solution, and sometimes because of the use of a long time, the hole will be a big red, then need to be replaced, indirect heating depends on the trap is malfunctioning, otherwise it will affect the insulation; ② each guide roller are active balance? As long as there are 1 ~ 2 The guide roller cloth is not flexible enough, it will have scratches and weft skew; ③ fabric with liquid rate is consistent, there is no wiping phenomenon? ④ cylinder (drain plug), the ring there is drip phenomenon? Covered Dyeing machine when the cover, the operator and others should stand on the side of the observation and found that the problem can be solved in time to solve, otherwise, it is necessary to repair the first time, without delay, to avoid causing greater losses. General Jigger can operate 2 per person; 3 skilled workers (or more).