SPINNING NORMS

SPINNING NORMS Prof. R. ChattopadhyayIIT, Delhi

Table 1 Cotton fibre characteristics for different yarn counts

Note: These are only indicative values. The characteristics are variable from year to year. Source: CIRCOT, Mumbai; KVIC, Mumbai.

Table 2 Properties of polyester to be blended with cotton for different end-uses

Table 3 Norm for yarn count CV%

Table 4 Norms for yarn CSP

Table 5 Norm for CSP CV%

Table 6 Norms for yarn unevenness values (U%)

Table 7 Imperfections in khadi yarn

Table 8 Appearance grade for khadi yarn

Table 9 Norm for twist in the yarn

Table 10 BIS Norms of some cotton khadi fabrics (Constructional parameters and property)

Tolerance percentage for thread density = ±1 • Method of test: • Thread density: IS 1963: 1981 • Mass (g/m2)- IS 1964:1970, • Breaking load- IS 1969:1985

Table 11 Constructional parameters and physical property of additional khadi fabrics

BC: Indicates beyond the capacity of the machine

Table 12 Productivity of cotton yarn (gm/spl hr)

Table 13 Productivity of cotton yarn (No. of hanks per 8 hour)

Table 14 Productivity of cotton fabric [production/hr (mts)]

Essential Test Equipments Required for Routine Quality Checking Fibre

Yarn

Fabric

Chemical processing

SPINNING NORMS

SPINNING NORMS

Presentation Transcript

Norms

Norms

Norms:

Spinning Yarn

Spinning

NORMS

Spinning Cabinet

Silicon Spinning

Norms

Norms

Friction Spinning

Fiber spinning

SPINNING NORMS

Norms

Norms

Spinning Around

Spinning parameters

Spinning Designs

Silicon Spinning

Spinning

Spinning Reel