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How to Calculate the Production of a Combing Machine

How to Calculate the Production of a Combing Machine
S. M. Hossen Uzzal
Production Officer
Monno Fabrics Ltd., Manikgonj
Email: uhossen@gmail.com




Combing:
The process of straightening and parallelizing of fibers and the removal of short fibers and impurities by using a comb on combs assisted by brushes and rollers is called combing. Its main purpose is to remove short fiber than a predetermined length so as to enable the spinner to produce finer yarn.
Combing Machine
Combing Machine
Example:
Calculate the production per day of a combing machine when,
  • Nip/min = 220
  • No. of head = 8
  • Feed/nip = 7mm
  • Lap weight = 1000 frains/yd
  • Efficiency = 90%
  • Noil = 15%
Solution:

Given that,

Nip/min = 220

Feed/nip = 7mm nip
= 0.007m
= 0.007 X 1.09 yds
= 0.00763 yds

No. of head = 8

Feed lap weight = 1000 grains/yds

        1000
= …………. Lbs/yds
       7000

Efficiency = 90%

     90
= ………
    100

Noil % = 15


Production per day,
                                                                                                  100-Noil%
= Nip/min X Feed/nip X No. of head X Feed lap weight X Efficiency X …………. X 60 X 24
                                                                                                      100

                                 1000          90          100-15
= 220 X 0.00763 X 8 X ……… X ………. X ………… X 60 X 24 lbs
                                 7000         100           100

= 2113.31 lbs (ANS)

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