Skip to main content

Overfeeding Technology of Hot Air Stenter II

Analysis of some important proper nouns:
Overfeed: It is an action process that provides a specific proportion of the required amount according to the requirements of the next step.
Specific ratio: There are positive, negative or zero, that is, positive overfeed, negative overfeed or zero overfeed.
Requisite Amount: which is expressed as speed, flow, quantity, quality, etc.
The requirements for the next step: depends on the purpose of the treatment to be achieved.
The amount of overfeeding: it is by the super-feeding mechanism through the data relationship between the front and back of the mechanism.
Measurement and Control Instrument: It is the necessary matcher.
1. The Hot Air Stenter setting machine needs more fabrics to be fixed on the needle board in advance in order to eliminate the longitudinal stretching amount of the fabric before the dyeing process and meet the requirements of customers.

For example, the feeding mechanism runs 120M per minute, and the needle plate of the fixed fabric travels 100M per minute so that the 100M position is squeezed into the 120M fabric (plus overfeed +20%), and then the high temperature is set, and the fabric is 100M after the lower machine. The amount of longitudinal stretching is eliminated. At the same time, increasing the needle plate distance will control the fabric width, eliminating the lateral shrinkage of the fabric pre-dye bleaching process. Conversely, if the only 95M fabric is fed, it will be stretched to 100M (negative overfeed - 5%). This is also the way sellers make money, so the buyer stipulates the vertical and horizontal shrinkage and the average weight (knit) to distribute the amount of money.
2, Spinning and winding and even weaving, will involve or adjust the amount of overfeeding, such as the spun yarn, the spinning should be over-feeding; the roving yarn process is negative overfeeding (feeding a few 100m cotton wool spun into tens of meters of yarn); (precision) winder (lower and constant winding density of the super-feeding control); weaving machine weft feeder (control yarn In particular, the tension of the elastic yarn ensures non-negative overfeeding).
3, Much continuous processing equipment (other industries) also often have such a mechanism, such as the tensioner of the dyeing machine is to coordinate the front and rear speed, to control the negative overfeed of the fabric transported by the front mechanism, the fabric will not be excessively stretched.
LiCheng as a top manufacturer of Flat Screen Printer and hot air stenter machine, we looking forward to hear from you to initiate a long-term and satisfying relationship. Please feel free contact us any time:
Our Company : Zhejiang LICHENG Printing&Dyeing Machinery Technology Co.,Ltd
Add：Zhejiang Province, Shaoxing City Shengzhou City Jinting Industrial Zone
Web：https://www.hotairstenter.com/

Labels

Labels:

Comments

Post a Comment

Popular posts from this blog

LiCheng Flat Screen Printing Machine

Zhejiang LiCheng is devoted towards offering the qualitative range of Flat Screen Printing Machine , as per client’s precise need and requirements.   Flat screen printing machine working principle: Take the commonly used hand-screen flat screen printing machine as an example, the working principle of the screen printing machine can be described as follows: The transmission mechanism transmits the power so that the squeegee squeezes the ink and the screen printing plate during the movement so that the screen Printing plate and the substrate to form a nip, the screen has tension N1 and N2, the force on the squeegee F2, rebound so that the screen printing plate in addition to the imprinting line are not in contact with the substrate, the ink in Under the action of the squeezing force F1 of the squeegee, the squeegee slides from the moving nip to the substrate through the mesh. In Flat Screen Printing Technology the screen is flat and moves up and down. the Squeez...
Post a Comment
Read more

Heating Technology of Hot Air Stenter Machine

As a piece of equipment in the textile printing and dyeing factory, Hot Air Stenter Machine is used for stretching and tensioning the fabric by heating and stretching. The heat setting of the fabric is usually a process in which the fabric is kept at a certain size and heated under a certain temperature and humidity for a certain period of time and then cooled. Therefore, the main process conditions for heat setting are nothing more than temperature, time, tension, etc. First, the temperature Temperature is an important factor. Since the fabric is heat-set, the degree of wrinkles that have been eliminated, the improvement of surface flatness, the thermal stability of the fabric and other performances are closely related to the heat setting temperature. Second, the time The setting time is another major process condition for heat setting. After the fabric enters the heating zone, the heat setting can be divided into the following sections: The time required to heat ...
Post a Comment
Read more

How to Purchase Flat Screen Printer

LiCheng Flat Screen Printer is mechanical equipment widely used in the textile printing and dyeing industry, which is very popular among the printing machines. Why is the flat screen printing machine so popular with customers? Is the flat screen printing machine really good? The flat screen printing machine has good quality and low price, with high speed and high efficiency. We can go straight into Zhejiang Licheng Group in detail. How to purchase Flat Screen Printing Machine ? 1. Pay attention to the brand In fact, famous brands maybe not good, niche brands may be not bad, but many consumers hold the view that famous brands are more trustworthy than unnamed brands. After all, if an enterprise grows up from a young age, it should pass the market's assessment. If the technology is not high and the quality of the machine is not good, it is difficult to gain a market share. 2. Pay attention to printing speed As the saying goes: time is money. The flat screen p...
Post a Comment
Read more