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When pulley O turns inthe arrowdirection, its rotating motion is conveyed to uppershaftO to turn counter weightO-
The motion is conveyed to needle barcrank rod 0via needle barcrank O which isconnected to counter weight©.The
shape of arc motion is conveyed to the thread hole in thread take-up lever ©via thread take-up lever slide block O
which IS connected to needle bar crank rod 0.
Needle bar O moves up and down via needle bar clamp 0 which is connected to needle bar crank rod 0.
Needle bar O is guided by needle bar support O
(The arc motion is conveyed to the thread hole in thread take-up lever © via thread take-up lever slide block ©which is
connected to needle bar crank rod 0).
U] NEEDLE FEED MECHANISM
\W o
When pulley O turns in the arrow direction, its rotating motion is conveyed to upper shaft O to turn timing belt wheel
upper 0.
The motion is conveyed to timing belt wheel lower 0 via timing belt ©.
Eccentric wheel O which is connected to lower shaft 0 rotates via timing belt wheel lower 0 and lower shaft ©.
Level feed arm © moves in the shape of arc via eccentric wheel O. level feed connecting rod O and level feed
connecting link 0
The motion is conveyed to needle bar rock crank ® via feed rock shaft o
Needle bar support © moves back and forth via needle bar rock link © and needle bar connecting rod ©.
Needle bar © which is connected to needle bar support © moves back and forth.
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