Page 232 - CTS - Sewing Technology - TP - Volume - 2-0

SEWING TECHNOLOGY - CITS

Features of blind stitch machine
• Off-stitch prevention: Off-stitch can be prevented because this is stepped part detection type.
• Guide fix: table seam can be obtained and very beautiful sewing will result because the blind-hemming guide
is fixed securely with the solenoid during sewing
• Easy guide operation: The blind-hemming guide is raised by pressing the knee switch lightly and manual
raising is unnecessary, and the beautiful sewing finish.
• Easy interchanging to plain sewing (with TC device only): When CH device swings out frontward and the
lever of TC device moves to plain sewing direction, the tension changes from blind hemming to plain sewing
and easy plain sewing is possible.
• Easy cleaning: Swing-out type of CH device can be easy to clean the device.
More technical features are listed below:
• Sewing speed is up to 3000 stitches/min

• Clearance between needle and looper point machine which can be easily lever adjusted when changing the
needle count.
• Fabric penetration by the curved needle is partial. (Fig 3)

Fig 3

Three basic types of blind stitch machine
1 Blind stitch - Blind stitch machine makes a 1 thread stitch which on the face side of the fabric appears to be
hidden.

2 Hand roll blind stitch - Hand roll Blind stitch is a specialized machine designed to produce a small rolled stitch
on the edge of fabric to resemble hand stitching such as is often found on scarves.
3 Lockstitch blind stitch - Lockstitch Blind stitch machine is similar to the Blind stitch machine except that it
locks each individual stitch, creating a stronger and more durable stitch. This machine, with a top bobbin and
curved needle is used to make suit jacket seams. (Fig 4 & 5)

Fig 4

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CITS : Apparel - Sewing Technology - Exercise 36 CITS : Apparel - Sewing Technology - Exercise 36