Page 104 - HAND EMBROIDERY ARTISAN_TP

Handicrafts & Carpets Exercise 1.7.42
Hand Embroidery Artisan - Shawl Types and Defects of Finished Products

Check manufacturer defect on the finished products of test method by machine

Objective: At the end of this exercise you shall be able to
• check manufacture defects by machine.
Requirements
Materials
• Shawls - as reqd. • Suits - as reqd.
• Stole - as reqd.
PROCEDURE

TASK 1: To check manufacturing defects by machine
Identifying fabric defects can be done through a visual Details of fabric inspection
inspection process that involves closely examining the 1 Use good lighting: Good lighting is essential for
fabric and looking for any irregularities or abnormalities. identifying fabric defects. Choose a well-lit area with
Here are the general steps to follow to identify fabric bright, natural light, or use a bright artificial light source
defects: to ensure that you can see any small details.
1 Spread out the fabric: Before beginning the 2 Use a magnifying glass: If you’re having trouble
inspection process, it’s important to spread out the seeing small defects, a magnifying glass can be
fabric on a flat surface. This will make it easier to see helpful. This can help you see tiny details that might
any defects that may be present. not be visible to the naked eye.
2 Check for uniformity: The first step in identifying 3 Check the fabric from different angles: Sometimes
fabric defects is to check for uniformity. Look at the defects can be difficult to spot from a single angle.
fabric to see if the color, texture, and pattern are To ensure that you’re not missing anything, check the
consistent throughout. Any variations in these areas fabric from different angles and in different lighting
could be an indication of a defect. conditions.
3 Look for flaws: Once you’ve checked for uniformity, 4 Compare with a sample: If you have a sample of the
same fabric or a similar fabric, use it for comparison.
start looking for specific flaws such as knots, This can help you identify any differences in color,
slabs, broken or weak fibers, uneven weaving, texture, or pattern that could indicate a defect.
uneven dyeing, misaligned patterns, pilling, stains,
discoloration, snags, and tears. Pay attention to both 5 Conduct a pull test: To check for weak or broken
the front and back of the fabric. fibers, conduct a pull test by gently tugging on the
fabric. If the fabric tears easily or feels weak, it may
4 Check for finishing defects: Finally, check for have defects in the fibers.
any finishing defects, such as uneven hemming or
stitching, loose threads, or raw edges. These types of 6 Use a fabric inspection machine: Fabric inspection
defects can affect the overall appearance and quality machines, such as those offered by SUNTECH, use
of the fabric. advanced camera systems and software to identify
defects with high precision and speed. This can save
time and improve the accuracy of the inspection
process.
TASK 2: Common manufacturing defects in finished products
1 Structural defects 4 Cosmetic defects
• Cracks, breaks, or deformations • Scratches, stains, or discoloration
• Weak joints or seams • Irregular patterns or prints
• Incorrect dimensions • Uneven dyeing in textiles
2 Material defects 5 Functional defects
• Use of substandard or wrong materials • Product does not perform as intended
• Contaminated raw materials • Malfunctioning parts or mechanisms
• Uneven or improper finishing (e.g., rough surfaces) • Poor durability or wear resistance
3 Assembly errors 6 Packaging defects
• Loose fittings or misalignment • Incorrect labeling
• Missing or extra components • Damaged packaging
• Improper stitching (especially in textiles) • Inadequate sealing or protection
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