Combing

Comber Noil Extraction Optimizer

Noil percentage is a price, not a target. What the spinner is buying is the residual short fibre left in the sliver — quote that instead.

Combing Per comber
kg/h
%
no.
Short Fibre Mass balance
%
%

Share of the extracted noil that is short fibre.

Value Raw material
/kg
/kg

Residual Short Fibre in Sliver

— %

What the spinning end actually receives

Balance & Cost

Noil Extracted, Line Output
— kg/h
Combed Sliver, Line Output
— kg/h
Short Fibre Removal Efficiency
— %
Net Material Cost
— /kg combed
Cost Added by Combing
— /kg

The balance assumes the noil composition holds over the setting range. Once the machine is pushed past its normal window the noil gets longer, not just larger, and the removal efficiency falls away from this line.

Comber Noil Extraction Optimizer — free, with the formula and a worked example, at Textile School.