Abstract
In Textile industry, production is mostly key concern for Industry owner. This always has attracted researchers and machines manufacturers to make new developments in process and machines. Air-jet is one of the leading and successful highest productive weaving machines. However, it is now well established that due to add of charges of compressed air, manufacturing cost of air-jet weaving machine is higher as compared with rapier and projectile weaving machines. This is why countries having energy issues do not prefer air-jet weaving machines comparing projectile weaving machines. In this regard, several researchers and machine manufacturers have continuously been working to improve the efficiency of air-jet weft insertion. However, industry practice is as important as design made by researchers. The aim of this research is to investigate the air consumption of air-jet weaving on industrial scale practice. In this study, five weaving machine of same manufacturer and model were selected. It was observed that despite of manufacturing same quality of fabric, air consumption was varying almost in all weaving machines. Conventionally, mill workers adopt hit and trial practice in weaving industry including airpressure setting which leads to variation of nozzle pressure. Main reason of disparity of air consumption in air-jet weaving machines may be variation of distance from compressor to weaving machines, number of joints, un-necessary valve opening and pipes leakages cause an increase of compressed air consumption.
Highlights
Air-Jet weaving machine is one of the successful and high productive shuttle less weaving machine in Textile industry [1]
Though air-jet weaving machines manufacturers and researchers have been continuously working on reduction of air consumption in their new design to overcome this drawback
The settings on all following Air-Jet weaving machines were set by machine operators according to the count of weft yarn
Summary
Air-Jet weaving machine is one of the successful and high productive shuttle less weaving machine in Textile industry [1]. Due to significant compressed air consumption and extra cost of compressor electricity, the manufacturing cost of airjet weaving increases. This is making air-jet weaving less preferable where energy cost is the problem despite their high production speed. There is still deficiency of reliable information on energy efficiency of compressed air for industries [2,3,4,5,6,7] Adanur and his team analyzed the use of compressed air for weft insertion process and investigated the effect of yarn characteristics and compressed air [812]. Beside the researchers air-jet weaving machine manufacturers put several efforts to improve the weft
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