DIFFERENT PARTS OF SEWING MACHINE AND THEIR FUNCTIONS

• What are the two major parts of the lockstitch sewing machine?

  upper parts and lower parts
• Head is the complete sewing machine without a cabinet or a stand.
• Arm is the curve part of the head containing mechanism for operating the needle.
• Bed is the flat portion of the machine and beneath is the feed dog where it is mounted, and the shuttle and lower thread are placed.
• Spool Spin is the thread holder.
• Thread Guide keeps the thread on position.
• Thread Take up Lever releases the thread and interlocks with the bobbin thread.
• Presser Bar Lifter moves the presser foot.
• Tension Screw controls the looseness and tightness of stitches.
• Needle Bar hold the needle in place.
• Needle Clamp hold and tightens the needle.
• Presser Foot holds the fabric in place while sewing.
• Presser Bar a bar to which the presser foot of a sewing machine is attached.
• Needle is a slender tool attached in the needle clamp used for sewing.
• Bobbin Winder controls the bobbin while winding thread.
• Latch fastens the bobbin in the spindle while winding the threads.
• Spindle is a slender rod by which the threads is twisted in a spinning wheel.
• Rubber Ring is a ring on the bobbin winder which comes in contact with the nut of the balance wheel.
• Stitch Regulator checks the length of the stitches.
• Balance Wheel sets the mechanism in motion.
• Belt connects the balance wheel to the drive wheel.
• Stop Motion Screw hinder moving when loosened and starts.
• Face Plate a cover that endoses the oiling points of the needle bar, presser bar, and the take-up lever.