Drafting system can be broadly classified under two heads namely: The system with apron can again be classified into three groups: Example of regular drafting system without apron: Example of single apron drafting system: Example of double apron drafting system: Example of multiple Apron drafting system: OM – Super High Draft System This system is […]
Causes of Faults Found in Ring Frame Yarn
The Faults Found in Ring Frame Yarn and their Causes Soft Yarn Generally caused by slack spindle bundles, twist change wheel too large, empty bobbins not properly pushed down during doffing. Uneven Yarn Either travelers are too heavy or for spinning fine counts from inferior cotton. Fuzzy Yarn Rings too large, by ballooning or bad lubrication of […]
Ballooning Effect in Ring Frame
During spinning operation the drafted strand of fibre being delivered and held at one end by the front rollers, the other end rotates round the bobbin with the traveller on the ring. It is observed that the thread between the thread guide and the traveller, is bulged out which is called the ballooning effect if the thread; and the […]