Page 33 - Shawl Weaving Artisan - TT

• Check and maintain machines Applications
- Regularly inspect and fix winding equipment to • Widely used in automatic looms due to their lightweight
avoid issues like misaligned rollers or worn-out and cost-effectiveness.
parts.
3 Paper bobbins
• Use edge control
Made from rolled paper or cardboard, these are disposable
- Install tools to keep the material edges straight while bobbins often used for single-use applications.
winding. This prevents damage or overlapping Features
edges.
• Lightweight and eco-friendly.
• Inspect the material
• Designed for use in specific weaving or dyeing
- Check the material for even thickness and quality processes.
before winding to avoid defects caused by uneven
material. Applications
• Don’t wind too tight or too loose • Preferred in dyeing operations or high-speed weaving
where bobbins are discarded after use.
- Adjust the pressure so rolls are firm but not
crushed or loose. 4 Metal bobbins
• Control winding speed Made from durable materials like aluminium or stainless
steel.
- Match the speed to the material type to avoid
stretching, tearing, or other damage. Features
• Prevent sticking layers • Resistant to wear and tear, making them suitable for
heavy-duty applications.
- Use anti-stick sprays, interleaving materials, or
cooling systems for sticky materials like films. • Can be reused many times with proper maintenance.
• Train operators Applications
- Teach workers how to handle the machines and • Used in older or heavy-duty looms where durability is
fix problems during the winding process. a priority.
• Check rolls regularly 5 Perforated bobbins
- Inspect the rolls after winding to ensure they are These bobbins have holes or perforations for ventilation.
smooth, even, and free of defects. Features
By addressing these issues with proper tension control, • Designed to allow airflow, preventing moisture build
equipment maintenance, and alignment, winding defects up.
can be minimized effectively.
• Commonly made from plastic or lightweight metals.
Types of fill bobbins used in weft
Applications
1 Wooden bobbins
• Used for yarns requiring ventilation, such as wet or
Made from polished wood, these bobbins are commonly dyed yarns.
used in traditional shuttle looms.
6 Conical bobbins
Features
These bobbins have a tapered, cone-like shape for easy
• Cylindrical in shape with smooth surfaces to avoid unwinding.
yarn damage.
Features
• Can accommodate a variety of yarns.
• Ensures smooth yarn release, even at high speeds.
Applications
• Typically made of plastic or metal.
• Best suited for small-scale or traditional weaving
setups. Applications
2 Plastic bobbins • Used in high-speed automatic looms where unwinding
efficiency is critical.
Constructed from lightweight and durable plastic, these
bobbins are popular in modern weaving. 7 Parallel bobbins
Features Cylindrical bobbins with flat sides and consistent diameter
throughout.
• Resistant to moisture and corrosion.
• Available in various sizes and designs to suit different
looms.
Textile & Handloom: Shawl Weaving Artisan : (NSQF - 2024) R.T. Ex.No 1.2.08-12 23