Page 222 - CTS - Sewing Technology - TP - Volume - 2-0

SEWING TECHNOLOGY - CITS

Fig 1

Function of different parts of SNLS machine
• Feed dog arm: To hold the feed dog
• Feed dog: To pass the fabric
• Needle Plate: Keep the needle on the middle point.

• Throat plate : To help to pass the fabric
• Pressure foot: To produce pressure on the fabric
• Pressure foot bar: To hold the pressure foot
• Pressure regulator : To maintain the pressure

• Pressure spring: To produce pressure on pressure foot
• Hand Lifter: Pressure up down by hand
• Leg lifter: Pressure up down by leg
• Wait Cam: To transfer motion from main shaft to thread take-up lever
• Thread take-up lever : To pass the needle plate

• Connecting rod: to transfer motion
• Needle Bar: To hold the needle
• Needle: To form stitch
• Thread density tensioner: To maintain needle thread tension

• Stitch density regulator: To maintain the stitch density
• Back stitch lever: For fabric forward –backward movement
• Gear: To transfer motion from main shaft to pinion
• Pinion : To transfer motion from gear to pam shaft

• Main shaft : To transfer motion from machine to wait cam
• Pump shaft: To transfer motion from pinion to oil pump
• Feed dog driven shaft: To transfer motion from connecting rod to feed dog.
• Hook Shaft: To transfer motion from pump shaft to rotary hook

• Feed dog arm shaft: To transfer motion from connecting rod to feed dog arm

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CITS : Apparel - Sewing Technology - Exercise 36