Page 249 - CTS - Sewing Technology - TP - Volume - 2-0
P. 249
SEWING TECHNOLOGY - CITS
Turn off the power switch at the following times, otherwise the machine may operate if the foot switch is depressed
by mistake, which could result in injury.
• When threading the needle
• When replacing the needle and bobbin
• When not using the machine and when leaving the machine unattended.
Do not touch any of the moving parts or press any objects against the machine while sewing.
As this may result in personal injury or damage to the machine.
Bartack stitch (Fig 6)
Fig 6
Uses of bar tack machine:
1 Attaching belt loops.
2 Increasing strength in corner of pocket.
3 Closing the two corners of button hole.
4 At the end of zipper.
5 In that place where more strength is needed to support extra load.
Practice on operations of button sewing machine
Objectives : At the end of this exercise you shall be able to
• identify the major parts of button stitching machine
• thread the button stitching machine
• adjust the stitch length.
TASK 1: Identify the major parts of button stitching machine
Name of the machine parts (Fig 1)
1 Needle thread tension disc
2 Window glass
3 Presser foot
4 Needle
5 Thread take up lever
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CITS : Apparel - Sewing Technology - Exercise 36