The document presents a detailed overview of warping in fabric manufacturing, defining it as the parallel winding of yarn onto a warp beam. It discusses three types of warping: direct, sectional, and ball warping, highlighting their applications, production capacities, and defects. Various remedies for common warping defects are also provided to enhance yarn quality.

1. April 5, 2022 1

2. Presentation on:
Sectional and Direct Warping
Presented By:
MD. SOHAN MIA
NITER
Dept. of
Fabric Manufacturing Engineering
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3. Warping:
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 Warping is defined as the parallel winding of yarn from cone or cheese
packages on to a warp beam.
 It is necessary to make the warp beam from good warp yarn
 Proper warping increase the quality of the yarn

4. Importance of Warping:
 Warping accelerates the next sizing process.
 Various yarn faults are modified
 Small packages are combined in this process.
 Parallel warp beam are constructed by warping.
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5. Types of Warping:
Mainly three types of warping are available:
i. Direct Warping or Direct Beaming
ii. Sectional Warping
iii. Ball Warping
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6. Direct Warping:
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 Also known as high speed warping.
 Direct warping is suitable for gray or mono-colored warp that require
sizing.
 Here, weavers beam is produced after completing sizing process.
 Here, creel capacity is greater than 12000.

7. Direct Warping Machine:
 Warping m/c contains
 Creel
 Headstock
 Control Devices
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Picture: Direct Warping

8. Sectional Warping:
 Used for small volume and customized production (Stripes and specialized
yarns)
 Two stages are involved here
 It provides lower amount of production than high speed warping.
 It is used to produce fancy fabric.
 Here, creel capacity ranges 300 to 400.
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9. Sectional Warping Machine:
 Sectional warping machine contains,
 Warping Zone
 Beaming
 Control Points
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Picture: Sectional Warping
Creel (H-Creel)
Warping Drum

10. Comparison:
Direct Warping Sectional Warping
1. Used for high Volume Production 1. Used for small volume and customized production (Stripe
and Specialized yarn)
2. It is used to produce grey and colored fabric named
common fabric.
2. It is used to produce fancy fabric.
3. Here, production speed is high. 3. Lower production speed than direct warping.
4. It is a cheap process. 4. It is ultimately a costly process.
5. Single yarn is used. 5. Twist yarn is used here.
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11. Warping Defects:
 Uneven Warp Beam
 Mixed Count
 Larger beam small amount of yarn
Remedies: Higher number of ends be used.
 Crossed Ends
 Faulty Knotting after yarn breakage
 Loose warp
Remedies: Knotting and Tension control
 Snarl formation in the warp
 Over Tension
 Improper Twist
Remedies: By proper tension and twist
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12. Warping Defects:
 Missing Ends
 Faulty stop device
 Absence of yarn package on creel
Remedies: By correct stop device is used.
 Hard Beam
 Due to hard tension
Remedies: By correct stop device is used.
 Broken Ends
 To be joined carefully the yarn
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