SDG-4A Interlock knitting machine is the most versatile model of the Double Jersey Machine Series.

We continue Sun Da’s Stable and Durable tradition assure the machines run in high standard reliability even under long time operation.

Texture up! Production up! And Return on Investment up!  

The SDG- 4A machine permits various kinds of structures be able to knit:

• Punto di Roma
• Swiss & French Pique
• Spacer/ Scuba
• Vertical stripe needle drop
  and etc by simply arranging cam system 2:2/ 2:4/ 4:4/ 4:6.

YOUR CHOICE OF MULTIPLE APPLICATIONS AND HIGH RETURN ON INVESTMENT ~

• DIAL INDICATOR:
  When adjusting the fabrics GSM or the needle timing, dial indicator device can easily help the technician to measure the cylinder position and make the adjusting work more efficiency.
  Cylinder height adjustment and Cylinder horizontal adjustment can take record on the fabrics work sheet and ease the adjustment work on the next machine.
• ZIRCONIA YARN GUIDE:
  Adopt Zirconia yarn guide, smooth the yarn feeding and reduce the static while knitting.
  It significantly reduces the needle breakage and extend needle life time.
• PRECISION PARTS AND PROCESSING:
  With our in-house precise processing CNC machine and high standard heat treatment on the main parts such as gear/ cams…  gives machine a stable, durable, and high performance features.
• R&D SOPHISTICATION:
  Our R&D team dedicated all the efforts in optimizing the knitting techniques and better machine function.

MACHINE SPECIFICATION:

Model	Cylinder Dia.	Gauge/ inch	Feeder/ inch
SDG-4A	30"~42"	12G~48G	2F/2.4F/2.8F/3.2F 34" 72F
SDG-4AS OPEN WIDTH	30"~34"	12G~48G	2.4F/2.8F/3.2F 34" 72F
SDG-R-4A INTERIB	30" ~42"	14G~48G	1.6F/1.8F/2F 34" 72F
SDG-4ACG COARSE GAUGE	30"~42"	5G~12G	1.2F~1.8F
SDG-4AFG FINE GAUGE	30"~34"	36G~48G	2F/2.4F 34" 72F

[SDG-4A] Interlock Knitting Machine (Δ 2X4)
[SDG-4AS] Interlock Open Width Knitting Machine 
[SDG-R-4A] Interib conversion Interlock and Rib machine. 2 in 1 machine. 
Interlock Knitting Machine (Δ 2X4) + Rib Knitting Machine (Δ 1X1)
Only Replace Dial knit cam, then convert to Rib machine. 
                      
[SDG-4ACG] Interlock Coarse Gauge Knitting Machine (Δ 2X4)
[SDG-4AFG] Interlock Fine Gauge Knitting Machine (Δ 2X4)
[SDG-2AI] Plain Interlock Fabrics Knitting Machine (Δ 2X2)

Special Interlock Knitting Machines produce course gauge fabrics from 3G to 9G, and fine gauge fabrics from 32G to 48G can be made.

FABRICS:

• Punto di Roma
• Swiss & French Pique
• Spacer/Scuba
• Vertical stripe
• Plush
• Spandex four side stretchy fabrics
• and etc.

APPLICATION:

• Sports
• Outdoor
• Shoe material
• Medical textile
• Casual
• Home textile.
• Water activity
• And etc.