Tsudakoma ZAX- Settings for standard Denim

Tsudakoma-ZAX Loom Settings for 14.5 Oz/Sq yd OE/OE Denim (EPI x PPI = 64 x 37) count (6s x 7s)


Back Rest- 125 mm (vertical)
-16th mark ( horizontal)

Dropper Box- 100 mm (vertical)
- 50 mm (vertical)

Shedding Amount

1st Frame- 99 mm
2nd Frame-91mm
3rd Frame- 83 mm
4th Frame- 75 mm

Heald Frame Height:

1st Frame - 43 mm
2nd Frame-41mm
3rd Frame-39mm
4th Frame- 37mm

Shed Crossing Timing- 290 deg

Leno Crossing Timing- 290 deg ( LH Side), 0 deg ( RH side)

Temple- 15 rings- Medium Type

Sub Nozzle angle- 4 deg
Sub nozzle height- 3rd Mark
Machine Pulley- 220 mm
Motor Pulley- 113 mm for 760 rpm

iboard Settings

Tension- 280 kgf
Upper Limit- 560 kgf
Lower Limit- 0 kgf
Pick Density- 37 pick
Turns/Pick- 4
Arrvial setting - 240 deg
Filling insertion timing- 80 deg
No. of Sub groups- 5

Timing

Feeler H1- 200 deg to 290 deg
H2- 200 deg to 310 deg
Forward- 350 deg
Rev (others)- 180 deg/320 d eg
(Filling)- 290 deg
WBS- 240deg-300deg

SENSOR/TROUBLE
Dropper Setting: 10 th Volume
Sensor- on
Feeler-on
Timing

Pin: 50deg-200 deg
Main: 50deg-200deg
AUX Main: 60deg-100deg
80deg

Auxiliary Nozzle- 76 deg-176 deg
1st Pick- 86 deg

Sub Nozzle

64deg-170 deg
100deg-190deg
130deg-220deg
150deg-230deg
170deg-250deg

Stretch Nozzle- 200deg-300deg

STOP MARK Data

1. F Kick ( Filling) - 0 upto 7 steps
2. F Kick (Others)- 0 upto 7 steps
3. R Kick ( Filling)- 0 upto 7 steps
4. R Kick (Others) - 0 upto 7 steps
5. Kick Back Speed- 1. Low 2, Medium 3, High On
6. Kickback order- on 1

1. Rev to Forward
2. Forward to Rev

7. Down time- 5 min
8. Fell Control-8
9. Dia Comp-48
10. Let Off Avg-2
11. F-Gain-0
12. R.Gain- 0

13. Gain -1
1. Low
2. Medium
3. High

14. Rush Torque- 1200%
15. change Picks-2
16. Change timing- 30 deg
17. 1 pick insertion- On
18. Autolevelling- On

Critical Process Parameters- Denim Manufacturing

Critical Process Parameters- Denim Manufacturing

Warping:

Machine Speed m/min= 600+-50
Tension on individual thread ( cN) 90+-30
Warping breaks ( Avg/10000m/400 ends) < = 0.2

Dyeing-cum-Sizing

1. Machine Speed = 30+-2
2. Size Viscosity ( Flow seconds) = 6+-1
3. Size Add on ( %)= 6+-2
4. Breaking Force (gf) sized yarn = >=1100
5. Tenacity ( cN/tex) ( sized yarn) = >13
6. Elongation ( %) of sized yarn >= 4.5

Finishing

Quality	7 x 6	7 x 6	7 x 7	7 x 9	7 x 6
Width(cm)	151+-1	149+-1	151+-1	151+-1	151+-1
Shrinkage ( %)	15+-1	14.5+-1	15.5+-1	16+-1	14+-1
Skew ( %)	5-11	5-11	5-11	5-11	5-11

Finished Properties of some Common Denim Fabrics

New Page 1

Ideal Weight	14.5 Oz/Sq yd	13.75 oz/sq yard	12.5 oz/sq yard
Warp Count (Washed)	6.9 +-0.6	6.9+-0.5	6.9+-0.5
Weft Count (Washed)	6.0+-0.4	6.9+-0.5	9.0+-0.5
EPI ( Unwashed)	70+-2	70+-2	70+-2
PPI ( Unwashed)	43+-2	43+-2	43+-2
Wt ( Oz./ sq.Yd)	14.2	13.4	12.2
Rubbing Fastness ( Dry)	2-3	2-3	2-3
Fastness to Laundering	2	2	2

Controlling Shade in Indigo Dyeing of Denim

If shade is getting:

Redder- Increase the conc. of Caustic , slightly decrease the conc. of Hydro
Redder, Duller- Increase the con. of hydro
Greener, Paler- decrease the con. of hydro
Greener, duller- Increase the con. of caustic
Bronzing- Increasing the con. of Hydro