Juki MF-7723,3-Needle,High Speed,Flatbed,Top and
Bottom Coverstitch Hem Machine,w/ Differential
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.
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
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 cover stitch)
Stitch pitch adjustment: By dial
Differential feed adjustment: By micro-adjustment mechanism
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
US Warranty: 1 year parts, 90 days labor on defects in materials and workmanship.
Condition: Brand New in Box
Shipping: This item usually leaves warehouses 2-3 days
Returns: See Our Store Policy
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