Jute 3rd Draw Frame Machine | Third Draw Frame Machine of Jute Spinning

Experiment Name: Study on the Jute 3rd draw frame machine.

Objects:
  1. To know about general specification of the M/C.
  2. To know the gearing diagram of the M/C.
  3. To know about its production, draft, faller drops/min etc.
  4. More straightening & parallelization of remaining irregularity fibre of first draw frame along the fibre axis by drafting.
  5. To have proper mixing & blending of fibre.
General Specification:
  • No. of sliver feed/head = 8
  • No. of head = 5
  • No. of delivery/head = 4
  • Faller pitch = 1/2
  • Doubling ratio = 2:1
  • Draft range = 8-9
Specification:
  • Motor RPM = 1450
  • Motor pulley = 5²
  • Machine pulley = 20²
  • SCP (speed change pinion) = 38T
  • Drawing roller wheel = 80T
  • Diameter of drawing roller = 2.25²
  • Drawing roller pinion = 36T
  • Intermediate wheel (drawing to delivery) = 96T
  • Delivery roller wheel = 55T
  • Delivery roller diameter = 3.5²
  • DCP (draft change pinion) = 60T
  • Front retaining roller driving wheel = 60T
  • Retaining roller dia = 2²

Figure: Passage diagram of 3rd Draw frame.
Where,
  1. Back retaining roller;
  2. Front retaining roller;
  3. Jockey/ Slip roller;
  4. Role; 
  5. Fluted feed roller;
  6. Fluted feed roller;
  7. Slide; 
  8. Faller bar;
  9. Drawing roller;
  10. Drawing pressing roller;
  11. Guide roller;
  12. Doubling Plate;
  13. Delivery roller;
  14. Crimping Box;
  15. Can
Figure: gearing diagram of 3rd draw frame.
Conclusion:
Jute draw frame is very necessary for producing jute drawn sliver. So, we should learn about this experiment very carefully and sincerely. In our lab this machine is a fully running machine we run this machine with the help of our lab assistant who was very helpful to give us direction to complete the Practical Successfully. By this Experiment we learn a lot about this Draw frame and get Practical Experience about Operation of this and in front of my view this Practical Experience will help us in our Future job Life.

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