Carding Technology Basics for Spinning Technicians
Carding Technology Basics INTRODUCTION "Card is the heart of the spinning mill" and "Well carded is half spun" are two proverbs of the experts. These proverbs inform the immense significance of carding in the spinning process. High production in carding to economize the process leads to reduction in yarn quality. Higher the production, the more sensitive becomes the carding operation and the greater danger of a negative influence on quality. The technological changes that has taken place in the process of carding is remarkable. Latest machines achieve the production rate of 60 - 100 kgs / hr, which used to be 5 - 10 kgs / hr, upto 1970. THE PURPOSE OF CARDING: 1. to open the flocks into individual fibres 2. cleaning or elimination of impurities 3. reduction of neps 4. elimination of dust 5. elimination of short ...