Slip Draft Spinning Frame Machine | Jute Slip Draft Spinning Frame Machine

2. To know about Flyer speed.
3. To know about surface speed of drawing, retaining r/r and Tin cylinder.

Main Parts:
§ Retaining roller.
§ Intermediate roller.
§ Drawing roller.
§ Tin cylinder.
§ Flyer.
§ Bobbin rail.

General Description:
Machine manufacturer = JAMES MACKIE AND SONS.
Model number = 14376.
No of flyer per frame = 20
Draft range = 10-20
Machine pitch = 4.25²
Flyer speed = 3000-4000 rpm.
Machine Specification:
o Motor rpm = 1450.
o Motor pulley diameter = 8.5²
o Machine pulley diameter = 11²
o Tin cylinder diameter = 6²
o Flyer diameter = 2²
o TCP = 50T
o DCP = 46T
o Drawing roller diameter =2.25²
o Retaining roller diameter = 2.5²
o Intermediate roller diameter = 1.375².

Calculations:

Fig: Gearing diagram of Jute Slip Draft Spinning Frame Machine
Result:
o Flyer speed = 13361.36
o Surface speed of Tin cylinder = 121120.07"/min
o Surface speed of drawing r/r = 910.35"/min
o Surface speed of retaining r/r = 64.42"/min
o Surface speed of intermediate r/r = 83.3"/min
o Draft =14.13
o Draft constant = 650

Conclusion:
This experiment is very important for us to know and learn about the slip drafting sliver spinning frame. So, we should learn about this experiment very carefully and sincerely.

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