Page 45 - Shawl Weaving Artisan - TP

Textile & Handloom Exercise 1.3.27

Shawl Weaving Artisan - Power Looms and Handlooms

Dobby weaving techniques and chain preparation

Objectives : At the end of this exercise you shall be able to
• identify different types of dobbies
• develop hands-on skills in dobby weaving and chain preparation.

Requirements

Tools/Equipment’s/Instruments Materials
• Dobby chain paper or card - 1No. • Note book - 1No.
• Ruler - 1No. • Pencil - 1No.
• Scissors - 1No. • Sharpener - 1No.
• Dobby chain hook or needle - 1No. • Eraser - 1No.
• Graph paper - 1No.

PROCEDURE
TASK 1: Different types of dobbies
1 Mechanical dobby loom 2 Follow the installation prompts to install the dobby
Step 1: Prepare the loom software.
1 Clean the loom to ensure it’s free from dust. 3 Launch the software and ensure it’s working
correctly.
2 Check the loom’s tension to ensure it’s even and Step 2: Connect the loom to the computer
consistent.
Step 2: Set up the harnesses 1 Connect the loom’s communication cable to the
computer.
1 Attach the harnesses to the loom’s harness frame. 2 Configure the communication settings on the
2 Adjust the harnesses to ensure they’re evenly computer and loom to ensure they’re communicating
spaced and aligned. correctly.
Step 3: Set up the dobby chain Step 3: Set Up the loom’s parameters
1 Cut the dobby chain to the required length. 1 Set up the loom’s parameters such as the warp and
2 Thread the dobby chain through the harnesses. weft yarn counts, weave type, and dobby pattern.
3 Secure the dobby chain to the loom’s dobby chain 2 Enter the yarn information, such as the yarn type,
holder. weight, and color.
Step 4: Set up the shedding mechanism Step 4: Design and upload the dobby pattern
1 Attach the shedding mechanism to the loom’s 1 Design the dobby pattern using the dobby software.
harness frame. 2 Upload the dobby pattern to the loom.
2 Adjust the shedding mechanism to ensure it’s 3 Verify the dobby pattern on the loom’s display
working smoothly. screen.
Step 5: Set up the weft yarn system Step 5: Thread the warp yarns
1 Attach the weft yarn system to the loom’s weft yarn 1 Thread the warp yarns through the loom’s warp
holder. beam and heddles.
2 Thread the weft yarn through the weft yarn system. 2 Tension the warp yarns to ensure they’re evenly
Step 6: Test the loom spaced and tensioned.
1 Test the loom’s shedding mechanism to ensure it’s Step 6: Set up the weft yarn system
working smoothly. 1 Set up the weft yarn system, including the weft yarn
2 Test the loom’s weaving performance to ensure it’s feeder and take-up roller.
producing the desired fabric. 2 Thread the weft yarn through the weft yarn feeder
2 Electronic dobby loom and take-up roller.
Step 1: Install the dobby software Step 7: Test the loom
1 Insert the dobby software CD into the computer. 1 Test the loom’s shedding mechanism to ensure it’s
working correctly.
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