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AKM Sahedujjaman (SAJU)
Student of Textile Engineering
City University, Dhaka
Email:shahedsaju2015@gmail.com
Cell: 01737-171048
Yarn Manufacturing Technology -3
Problem: Suggest a spin plan for the production of 12 tons per day of 32 Ne carded yarn for a
weaving mill.
Solution:
1. Winding:
(A) Total production/8 hrs. =
= 4000 kg
(B) Production /machine/8 hrs.
=
= kg
= 637.78 kg
(C) No. of machine required =
=
= 6. 27
For weaving 4-5
For knitting 3.5-4
2. Ring:
Here, TM = 4
T.P.I = TM 
= 4
= 22.62
(A) Total production/8 hrs. = Total weaving production/8hrs.+waste % of winding
= 4000+ kg
= 4040 kg
(B) Production/machine/8hrs.
= kg
= kg
= 74.60 kg
Simplex TM = 1.1
Count = 1.2
(C) No. of machine required =
= 54.16
3. Simplex:
TPI = TM
= 1.1
= 1.2
(A) Total production/8 hrs. = Total ring production/8hrs.+waste % of ring
= 4040 +
= 4120.8 kg
(B) Production/machine/8hrs.
= kg
=
= 575.99 kg
(C) No. of machine required =
4. Drawing-1:
(A) Total production/8 hrs. = Total simplex production/8hrs. +waste % of simplex
= 4120.8 +
= 4151.7 kg
(B) Production/machine/8hrs.
=
= kg
= 1314.19 kg
(C) No. of machine required =
= 3.16
5. Drawing-2:
(A) Total production/8 hrs. = Total drawing-2 production/8hrs. +waste % of drawing-2
= 4151.7 +
= 4168.30 kg
(B) Production/machine/8hrs.
=
=
= 131.14 kg
(C) No. of machine required =
= 3.17
6. Carding:
(A) Total production/8 hrs. = Total drawing-1production/8hrs. +waste % of drawing-1
= 4168.30 +
= 4184.97 kg
(B) Production/machine/8hrs.
=
=
= 451.76 kg
(C) No. of machine required =
= 9.26
7. Blow room:
(A) Total production/8 hrs. = Total carding production/8hrs. +waste % of carding
= 4184.97 +
= 4310.52 kg
In chute feed system production of 1 blow room line = 800 kg/ 1hrs.
Production / blow room / 8 hrs. = 800 8
= 5440 kg
No. of lines required =
= 0.79
COMPILED & ASSEMBLED BY-
AKM Sahedujjaman (Saju)
08/04/2018

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Spinning Plan Calculation

  • 1. AKM Sahedujjaman (SAJU) Student of Textile Engineering City University, Dhaka Email:shahedsaju2015@gmail.com Cell: 01737-171048 Yarn Manufacturing Technology -3 Problem: Suggest a spin plan for the production of 12 tons per day of 32 Ne carded yarn for a weaving mill. Solution: 1. Winding: (A) Total production/8 hrs. = = 4000 kg (B) Production /machine/8 hrs. = = kg = 637.78 kg (C) No. of machine required = = = 6. 27 For weaving 4-5 For knitting 3.5-4
  • 2. 2. Ring: Here, TM = 4 T.P.I = TM = 4 = 22.62 (A) Total production/8 hrs. = Total weaving production/8hrs.+waste % of winding = 4000+ kg = 4040 kg (B) Production/machine/8hrs. = kg = kg = 74.60 kg Simplex TM = 1.1 Count = 1.2 (C) No. of machine required = = 54.16 3. Simplex: TPI = TM = 1.1 = 1.2 (A) Total production/8 hrs. = Total ring production/8hrs.+waste % of ring = 4040 + = 4120.8 kg (B) Production/machine/8hrs. = kg = = 575.99 kg (C) No. of machine required = 4. Drawing-1: (A) Total production/8 hrs. = Total simplex production/8hrs. +waste % of simplex
  • 3. = 4120.8 + = 4151.7 kg (B) Production/machine/8hrs. = = kg = 1314.19 kg (C) No. of machine required = = 3.16 5. Drawing-2: (A) Total production/8 hrs. = Total drawing-2 production/8hrs. +waste % of drawing-2 = 4151.7 + = 4168.30 kg (B) Production/machine/8hrs. = = = 131.14 kg (C) No. of machine required = = 3.17 6. Carding: (A) Total production/8 hrs. = Total drawing-1production/8hrs. +waste % of drawing-1 = 4168.30 + = 4184.97 kg
  • 4. (B) Production/machine/8hrs. = = = 451.76 kg (C) No. of machine required = = 9.26 7. Blow room: (A) Total production/8 hrs. = Total carding production/8hrs. +waste % of carding = 4184.97 + = 4310.52 kg In chute feed system production of 1 blow room line = 800 kg/ 1hrs. Production / blow room / 8 hrs. = 800 8 = 5440 kg No. of lines required = = 0.79 COMPILED & ASSEMBLED BY- AKM Sahedujjaman (Saju) 08/04/2018