Calculation of Thread consumption for Garments.

Calculation of Thread consumption for Garments.

Stitch & Machine wise thread consumption

 
Stitch class    Description and Machine    Thread consumption (cm) per cm of seam
301    Single needle lock stitch    2.8
301    Double needle lock stitch    5.6
301    Double needle split bar    5.6
401    Single needle chain stitch    4.8
401    Double needle chain stitch    9.6
401    Three needle chain stitch    14.4
304    Lock stitch zigzag    5.4
406    3 Thread Flat lock/cover stitch     11.8
602    4 Thread 2 needle Flat lock    16.9
407    4Thread 3 needle Flat lock    16.7
605    5 Thread 3 needle Flat lock    22.5
607    6 Thread 4 needle Flat lock    27.4
408    5 Thread 2 needle Flat lock    15.4
504    3 Thread over lock    13.8
514    4 thread over lock    17.1
512    4 thread over lock    16.3
Stitch class    Description and Machine    Thread consumption (cm) per cm of seam
516    5 Thread over lock    18.6
514+401    6 Thread over lock    21.9
401    Top center(4 needle)    19.2
304    Button attach    0.3
304    Button hole    0.95
404    Eyelet Button hole    1
304    Bar tacking     0.5
401    Feed of the arm(per needle)    4.8
301    Velcro attach    2.8
503    2 thread Shell stitch/Blanket stitch    11.7
501/ 513    Single thread Blanket stitch    16.6
505    Decorative stitch    13.8
411/404    Picot stitch    6.8
103    Blind stitch    4.5
401    Pin tucking(per needle)    4.8
108/104    Pinpoint/Saddle stitch    2.8
101    Single thread chain stitch/Blasting    3.8


 
  Thread consumption of a Polo shirt:

SL    Process    Machine    Length of seam(cm)    Machine wise thread consumption per cm of seam    Required thread =LOS x Thread consumed by machine
1    SEW SLEEVE HEM    3T F/L    72    11.8    849.6
2    SEW UNDER & TOP PLACKET HEM    SNLS    32    2.8    89.6
3    ATTACH UNDER &TOP PLACKET    SNLS    26    2.8    72.8
4    MARK & MAKE PICK    SNLS    4    2.8    11.2
5    LABLE ATTACH    SNLS    4    2.8    11.2
6    JOIN SHOULDER    4T O/L    28    17.1    478.8
7    TOP STITCH AT JOIN SHOULDER    SNCS    28    4.8    134.4
8    JOIN COLLAR    SNLS    50    4.8    240
9    COLLAR JOIN POSITION SEW    4T O/L    50    17.1    855
10    BIND COLLAR    SNLS    50    2.8    140
11    1/4'' TOP STITCH AT NECK    SNLS    50    2.8    140
12    FINISH TOP PLACKET STITCH    SNLS    14    2.8    39.2
13    FINISH UNDER PLACKET STITCH    SNLS    14    2.8    39.2
14    TACK BOX PLACKET END    SNLS    8    2.8    22.4
15    SLEEV E ATTACH    4T O/L    100    17.1    1710
16    TOP STITCH AT ARMHOLE    3T F/L    100    11.8    1180
17    BOTTOM  HEM    3T F/L    100    11.8    1180
18    SIDE SEAM SEW + PLK END O/L    4T O/L    98    17.1    1675.8
19    SIDE BAND SEW    4T O/L    25    17.1    427.5
20    TACK AT SIDE BAND    SNLS    14    2.8    39.2
21    1/4 TOP STITCH AT SIDE BAND    SNLS    30    2.8    84
22    TACK SLEEVE MARGIN    SNLS    6    2.8    16.8
23    TOP STITCH AT SLV OPENING    SNLS    6    2.8    16.8
24    BUTTON  HOLE    B/H    3 hole    0.95    2.85
25    BUTTON ATTACH    B/A    3btn 4hole    0.3    0.9
Total thread required for one Garment    9457.25 cm
     



      Thread required for one garment =9457.8 cm = 9457.25/100 = 94.57 m

       Thread required for one garment with 5% allowance=94.57+5%= 99.3 m

      Thread required for 1 dz of garment=99.3 x 12=1191.6 m