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Doit Industrial Sewing Machine, The Best Choice For Deepening Cross-Border Market

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DT 3802D Direct drive double needle chainstitch sewing machine

Model NO. : DT 3802D
Model： DT 3802D
Max. speed： 4,500sti/min
Stitch length： 4mm
Max. Thickness： 5.5-10mm
Needle size： TVX7 9#-21#
Needle quantity： 1
Material： Thin, medium heavey material
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Model
DT 3802D
Max. speed
4,500sti/min
Stitch length
4mm
Max. Thickness
5.5-10mm
Needle size
TVX7 9#-21#
Needle quantity
1
Material
Thin, medium heavey material

Features of DT 3802D Direct Drive Double Needle Chainstitch Sewing Machine

1. The machine adopts link-drive feeding mechanism, with thread taken up by needl-bar and hooked by looper so as to from a 2 thread chain stitch.
2. The chain stitch is solid and flexible, ideal for connecting sewing and decorative stitching on garments, underwear, bedding and leather products, with many types of stitch width adjustable.
3.It is very easy to set the machine to perform consideration stitching by operating the lever, condensation stitches that prevented the thread.
4.Stitch length can be adjusted with ease.

DT 3802D Direct Drive Double Needle Chainstitch Sewing Machine

Commom Question

1.What type of machine is the DT 3802D Direct Drive Double Needle Chainstitch Sewing Machine?

This is a direct-drive double needle chain stitch sewing machine, featuring double needle double thread chain stitch, specifically designed for sewing belt loops, hemming, waistband attaching on jeans, casual pants, workwear, etc. D stands for Direct-Drive servo motor, which is more energy-efficient, responsive, and quieter than traditional belt drives.
 

2.What is the difference between chain stitch and lockstitch? Why use chain stitch for certain processes?

Chain stitch features:

  • Elastic: Less prone to breaking when stretched, suitable for stress areas like jeans

  • Neat reverse side: Forms整齐 chain-like stitches on back

  • High speed: Chain stitch machines typically faster than lockstitch machines

  • Easy removal: Pull thread to remove, convenient for rework

Lockstitch features:

  • Strong but lacks elasticity

  • Prone to breaking when stretched

  • Difficult to remove

Chain stitch mainly used for: Belt loops, hemming, waistband attaching, side seams, areas needing elasticity or neat reverse side.

3.What is the needle gauge (distance between needles)?

Double needle gauge typically available in:

  • Standard: 6.4mm (1/4 inch), most common

  • Narrow: 4.8mm, 5.6mm

  • Wide: 7.9mm, 9.5mm (1/4 inch, 3/8 inch, etc.)

Please choose appropriate needle gauge according to process requirements.

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Get In Touch With Doit

We usually respond within 24 hours between Monday-Friday

TEL:0086-576-88050817

FAX:0086-576-88300868

E-mail:sales6@chinadoit.cn

Address:Xiachen Industrial Area, Jiaojiang, Taizhou,Zhejiang,China