Page 28 - Shawl Weaving Artisan - TT

4 Thick and thin places Effect
Measurable by user imperfection indicator and observable a Damaged fabric appearance
on appearance. (Fig 15)
b Occurrence of black spot in fabric
Fig 15 Causes
a Careless oil in the moving parts, overhead pulleys etc
b Piecing’s made with oily or dirty fingers, careless
material handlings
Rectification
a Appropriate material handling procedures to be
followed
b Oilers to trained in proper method of lubrication
c Clean containers to be utilized for material
Effect transportation
a Eccentric top and bottom rollers 6 Soft yarn

b Insufficient pressure on top rollers Yarn which is weak indicating lesser twist. (Fig 17)
c Worn and old aprons and improper apron spacing
Fig 17
d Improper meshing of gear wheels
d Mixture of cottons varied wide in fiber lengths and use
of immature cottons
Causes
a Eccentric top and bottom rollers
b Insufficient pressure on top rollers
c Worn and old aprons and improper apron spacing

d Improper meshing of gear wheels
e Commixture of cottons variable wide in fibre lengths Effect
and use of immature cottons. a More end breaks in subsequent processes

Rectification b Shade variation in dyed fabrics
a Eccentric top and bottom rollers to be avoided Causes
b Top arm pressure checking schedules to be a Slack tapes dirty jockey pulleys
maintained strictly
b Improper bobbin feed on the spools
c Wide variation in the properties of cottons used in the
mixing to be avoided c Less twist in the yarn
d Better fiber individualization at cards to be achieved. d Bad clearing at the traveller
Rectification
e Correct spacers to be utilized.
5 Oil stained yarn A Vibration of bobbins on the spindles to be avoided
Yarn stained with oil. (Fig 16) B Proper yarn clearing to be ensured
C Periodic replacement of worn rings and travellers to
Fig 16 be affected
7 Crackers

Very small snarl-like places in the yarn which disappear
when pulled with enough tension or yarn with spring like
shape. (Fig 18)
Effect
a More breaks in winding.
b More noticeable in polyester and cotton blended yarn.

18 Textile & Handloom: Shawl Weaving Artisan : (NSQF - 2024) R.T. Ex.No 1.1.06