Sewing machines can be classified based on their bed type as flat bed, post bed or cylinder bed and by their degree of automation as manual, semi-automatic or automatic. They perform different stitch types such as lock stitch, chain stitch, cover stitch or over edge stitch and safety stitch. Common stitch styles include straight, zig zag and blind stitch.
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Anatomy & classification of basic sewing machine
2. SEWING MACHINES
Bed Types Stitch types Degree of automation
Flat Bed Post Bed Cylinder Bed Feed off the arm Manual Semi
Automatic
Lock Stitch Chain Stitch Cover Stitch Over edge Stitch Safety Stitch
Straight Zig zag Blind
Straight Zig Zag Blind Stitch Stitch Stitch
Stitch Stitch Stitch
Figure: Classification of sewing machines