How to do more fabrics ?
Knitted fabrics printing fabric feather because many and lead to plug network printing is a relatively headache, mainly because of the different pre-treatment process knitted fabrics and woven fabrics, knitted fabrics and do singeing mercerized, and because knitting Cloth fabrics are relatively loose, and are handled in the overflow cylinder. The cylinders can easily pick up the fabrics after processing. Generally, the fabrics are more woven than the woven fabrics.
Solution:
First, the warehouse should strengthen the inspection of the customer's grey cloth . For the knitted fabrics with not very good quality, the warehouse must notify the customers in time, communicate with them to explain the reasons, and agree on the treatment measures;
Second, the notice prior to processing to pay attention, and make the appropriate measures to adjust the process and increase the number of washing times, as far as possible to minimize the gross;
Third, in the semi-finished product set, increase the flow of the groove, so that the flow of water to wash off part of the hair;
Fourth, the knitted fabric with a lot of hair is washed with a wool washing machine again;
Fifth, try to choose a machine with a vacuum cleaner, and put a few sticky nets on the printing table to stick a part of the hair.
How to do more holes in the finished product?
There are three main reasons for the holes in knitted fabrics:
First, there are holes in the billet itself;
Second, mechanical damage caused by holes, such as in the cylinder processing due to friction between the gray fabric is more severe, and easy to be hooked and broken the cylinder, the yarn is easy to break;
The third is the man-made cause of holes, such as the speed of the opener is too fast, when accidents occur, hand force to grasp, pull the cloth. Silk carts are not clean, bamboo clips inside the car, garbage are more, and mixing into the cylinder is also a reason to break the grey cloth.
Solution:
One is to carefully inspect the incoming billets, many neps, many broken yarns, or fabrics with many yarn joints, and require the customer to be notified in time to deal with them because these problems are the root cause of the holes in the grey fabrics; Good corresponding process adjustment. If there is a hole in the billet itself, we must put an end to the next one;
The second is to select a smooth, high-performance cylinder to process the knitted fabric, and the long-line washing rope cylinder should be kept clean and smooth;
The third is to improve the responsibility of the operator, turn the fabric of the fabric to be clean, and prevent bamboo clips and nails from being caught in the cloth. The speed of the car should be strictly controlled during washing, and should not be too fast.
How to keep the gram weight stable?
In general, the customers pay more attention to the weight of finished knitted fabrics. It is also an important aspect of the quality of knitted fabrics for printing and dyeing companies. Whether the weight can be stabilized and weight can meet the requirements of customers is a foothold for each printing and dyeing company. An important factor in the knitwear market. In order to ensure the gram weight of each batch of products, the following points need to be taken:
First, to check the quality of the gray fabric, the general grammage weight can reach the grammage requirement of the finished product, but if the grammage of the semi-finished fabric does not reach the predetermined requirement of the finished grammage, then the finished product can hardly reach the grammage requirement. Therefore, the weight of semi-finished products is very important. Generally, semi-finished products can be expected to predict the weight of finished products.
Second, the grey fabric with spandex must be pre-ordered so that it can stabilize the weight of the finished product;
Third, it is a product that can't be done for the billet weight. First, the factory analyzes the reason first, tries to change the process, and tries to meet the customer's requirements. Followed by informing the customer to negotiate;
Fourth, it is a reasonable choice for machinery and equipment, process operations, and dyeing and auxiliaries. Because the machine's inherent performance cannot meet the grammage requirement, it is also more common. Therefore, the setting machine for knitted fabric must be selected, or the appropriate transformation is required. The temperature of the drying room is required to be stable, and the circulation blow and overfeed performance are better. According to the characteristics of the grey fabric, formulating a suitable process also plays an important role in ensuring the grammage. For example, the pretreatment is to choose the auxiliaries with less weight loss as much as possible, and the stereotype considers using the best process to ensure the grammage of the product. If the conditions permit, the coating process should be considered as far as possible to achieve the purpose of both stability and weight gain;
Fifth, it is appropriate to add some additives to increase the weight of finished products, such as urea, water and other additives, can compensate for the lack of fabric weight problem.
How to prevent stain in washing?
Since knitted fabrics have not been treated with mercerizing, they are more likely to stain in the washing process, so the anti-staining requirements of white areas are higher. So do:
First, steaming hair color to be complete, if the steaming is not good, wash and fall to heavy, stains will be more powerful;
Second, the floating color should be washed cleanly, with less floating color, and the white ground will not be easily contaminated during soaping;
Third, the soaping agent requires soaping agents with good anti-staining properties to wash, in order to avoid contamination of white ground;
Fourth, the water to elute the paste to do, the cloth off the paste will not be exhausted, finishing feel will be too hard, more softeners will increase the cost of finishing, but also will cause the increase of defective products. Stain on the cloth surface, affect product quality, so washing operation must pay attention to the development of the process, standard operation.
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