MF-7822, MF-7823 (August, 2004) 1/2
● The machine produces seams, which match materials and thread with
consistency.
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.
● Optimization of the thread take-up mechanism and top covering thread
path route.
The optimized thread take-up mechanism and top covering thread path
route contribute to an increased stability of top coverstitches.
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.
● Simple maintenance mechanism.
The machine is provided with a variety of mechanisms, which have been
developed in consideration of production sites.
The mechanisms can be easily maintained, contributing to increased
production efficiency.
SPECIFICATIONS
Model name
Stitch type
Max. sewing speed
Stitch length
Differential-feed ratio(switchable)
Needle gauge
Needle
Lift of the presser foot
Stitch pitch adjustment
Differential feed adjustment
Lubrication
Lubricating oil
Micro-lifter
Needle bar stroke converting function
＊
Silicon oil tank for needle tip and
needle thread
Cartridge oil filter
Weight of the machine head
High-speed, Cylinder-bed, Top and Bottom Coverstitch Machine
MF-7822
(2-needle, top and bottom coverstitch machine)
MF-7823
(3-needle, top and bottom coverstitch machine)
WHEN YOU PLACE ORDERS
MF78 B
MF-7823U10B56
MF-7823U10B56 MF-7823K10B56
Stitch type Code
2-needle, Top and Bottom
Covestitch
22
3-needle, Top and Bottom
Coverstitch
23
Application Code
For universal U10
For collarette C10
Tonque shape of
throat plate
Code
B type (standard) B
Needle gauge Code
4.8mm 48
5.6mm 56
6.4mm 64
For model category (23) (3-needle),
needle gauge category 48 cannot be selected.
＊ The needle bar stroke has been factory-set to 31mm as standard. 33mm for thicker material also be available by simple adjustment. (max. sewing speed: 5,500rpm)
MF-7822 MF-7823
2-needle top and bottom coverstitch 3-needle top and bottom coverstitch
6,500rpm
0.9〜3.6mm (stitch length can be adjusted to 4.5mm)
1: 0.9〜1:1.8 (1: 0.6〜1:1.1)
4.8mm 5.6, 6.4mm
UY128GAS #9S〜#14S (standard #10S)
5mm (with top and bottom coverstitch),
8mm (with bottom coverstitch)
By dial
By micro-adjustment mechanism
Automatic
JUKI Machine Oil 18 (equivalent to ISO VG18)
Provided as standard
Provided as standard
Provided as standard
Provided as standard
42kg
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