Single Needle Direct Drive Lock Stitcher with Electronic Feeding System and Thread Trimmer

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Equipped with the innovative DigiFlex Feed System for high productivity.

Simple and easy-to-use standard lockstitch machine with selected functions

  • Reduces needle breakage,puckering and materials slippage with DFF
  • Elimination of oil stains due to the adaption of the sealed type oil pan
  • Productivity improvement management utilizing IoT

DigiFlex Feed Direct Electronic Feed Control

DigiFlex Feed, which is world’s first equipped on S-7300A and highly evaluated in the market, digitalizes feeding system and resolves various sewing troubles without adjustment work.

  • Improvement in the reduction of needle breakage and productivity.
  • Simple select and smooth sewing without material slippage.
  • Excellent sewing quality that’s easy to get proper thread tension in accordance with several materials

Needle Breakage Prevention with Brother Own 3 Functions

  • Optimization of fabric feed timing by changing feed motion of DFF
    • Fabric can be feed at an appropriate timing so that needle won’t break even during thick material sewing.
  • Change from mechanical control to 2 stepping motor control by equipped DFF
    • Compared to conventional mechanical control, the stepping motor control makes the response of reverse sewing quicker and reduces needle breakage.
  • Equipped with needle prevent 3 breakage function while reverse sewing
    • Sensing needle position and controlling proper feed timing that prevent from unreasonable reverse sewing as needle breaks automatically.


A Variety of Functions Realize Ease of Use and Ideal Sewing Quality

  • Beautiful stitching without puckering
    • DFF realizes appropriate thread tightening in relation with the fabric and reduces puckering.
  • Short remaining thread, (3mm) 5 doesn’t require after-cutting process
    • The new double action thread trimming mechanism cut’s the thread right under the needle hole, realizing the short remaining thread at minimum of 3mm. The disposition of thread ends after sewing can be reduced thanks to the new system. (Premier Spec.)
  • Oil staining prevention
    • The closed oil tank enables clean sewing more than conventional model’s that does stain sewing material. The minimum lubrication system prevents problems such as oil leakage and oil scattering drastically.
  • Easy operation with a simple panel
    • You can change the stitch length and sewing speed easily. In addition, it is possible to set the stitch length as a numerical value, and the reproducibility of sewing is improved.
  • Stress relief at reverse sewing
    • Because the reverse sewing is changed to motor control, vibration and noise are suppressed. It contributes a stress relief.
  • Reduction of hanging fabric
    • By arranging rubber on the back side which had been installed at the four corners of the bed of the sewing machine on the surface, it becomes easier to handle the fabric.


Productivity Improvement by Improving Production Management with IoT

  • Productivity improvement with IoT
    • NEXIO series are IoT applicable models. The visualization by connecting sewing machine and computer technology enables the customer to analyze, manage processes and speed up productivity improvement and maintenance work.
  • Easy and secure data management with USB
    • Data transfer to other sewing machines and software upgrade can be done with USB memory easily
Model Number Brother S-7250A-403 Brother S-7250A-405
Lubrication type Minimum lubrication
Application Medium materials Heavy materials
Max. sewing speed 5000sti/min*1 4000sti/min
Max. back tacking speed 3000sti/min
Max. stitch length 5mm Max. 7mm (default setting: 5mm)
Thread trimming mechanism Double action trimming mechanism
Presser foot height Presser bar lifter: 6mm | Knee lifter: 13mm
Needle bar stroke 31mm 35mm
Needle (DBX1·DPX5) #11-#18 (Nm75-110) #19-#22 (Nm120-140)
Height of feed dog 0.8mm 1.2mm
Weight 35kg
Motor AC servo motor
Power 100-110V(*2), 200V-230V, 380V-400V(*2) under 450VA

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