The Juki MF-7700 series state-of-the-art machine has been designed through a thorough ongoing study of seam quality. The machine is provided as standard with a great diversity of easily adjusted features to increase applicable types of sewing products. The well-balanced design of the machine achieves low-vibration and low-noise operation even under high-speed mode.

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More Juki MF-7723 Features:

  • Seams can be adjusted depending on the application or material by changing the thread path or adjusting the thread tension controller, to produce soft and low-tensed seams for inner wear or to produce high-grade well-tensed seams for outer wear.

  • The optimized thread take-up mechanism and top covering thread path route contribute to an increased stability of top covering stitches. In addition, the machine is capable of performing sewing with a low tension applied to the thread to offer improved responsiveness to the sewing thread.

  • A differential-feed adjustment mechanism with a micro-adjustment mechanism to provide a constant differential-feed ratio. The differential-feed amount can be easily adjusted to the best suited value for the material to be used.

  • A feed dog inclination adjustment mechanism to work effectively at securing the material being sewn in place with increased reliability and thereby preventing uneven material feed and puckering.

  • A micro-lifter to keep the presser foot in a slightly raised position during sewing to prevent slippage and deformation.

    JUKI MF7723... 3-Needle, 4 -Thread, Top & Bottom Coverstitch. With Micro-adjust Differential Feed... For 3 needle operations on knit shirts, underwear, sports and leisure wear... Sewing Speed max. 6,500 rpmStitch Length: 1.2-3.6 mm (up to 4.4mm)Stitch length controlled by dialStitch/Seam type 406EFa...

  • US Warranty 1 year parts, 90 days labor on defects in materials and workmanship.
  • Non-US Warranty: 30 days parts and labor
Specifications
  • A needle bar stroke conversion mechanism
  • Looper thread twining prevention mechanism
  • Stitch type 3-needle top and bottom coverstitch
  • Max. sewing speed: 6.500rpm
  • Stitch length: 1.23.6mm (stitch length can be adjusted to 4.4mm)
  • Differential-feed ratio: 1:0.71:2
  • Needle gauge: 4.0mm 4.8, 5.6, 6.4mm
  • Needle: UY128GAS #9S#14S (standard#10S)
  • Lift of the presser foot: 5mm (with top and bottom coverstitch),
  • 8mm(with bottom coverstitch)
  • Stitch pitch adjustment: By dial
  • Differential feed adjustment: By micro-adjustment mechanism
  • Lubrication: Automatic
  • Lubricating oil: JUKI Machine Oil 18 (equivalent to ISO VG18)
  • Feed dog inclination adjustment: Provided as standard
  • Micro-lifter: Provided as standard
  • Needle bar stroke converting function: Provided as standard
  • Silicon oil tank for needle tip
  • Needle thread: Provided as standard
  • Cartridge oil filter: Provided as standard
  • Weight of the machine: head 46kg

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Included Accessories
  • Instruction manual
  • Parts list
  • Needles
Other Images

icon This machine has been developed through a thorough study of seam quality.

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