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No. Item Specifications
1 Model name High-speed, flat-bed coverstitch machine
2 Model MF-7700 series
3 Stitch type ISO standard 406, 407, 602, and 605
4 Example of application Hemming and covering for knits and general knitted fabrics
5 Max. sewing speed Max. 6,500 rpm (at the time of intermittent operation)
6 Needle gauge 3-needle ... 4.8 mm, 5.6 mm, and 6.4 mm
2-needle ... 4.0 mm (3.2 mm can be accepted as special order)
7 Differential feed ratio 1 : 0.7 to 1 : 2 (stitch length : less than 2.5 mm)
Micro-differential feed adjustment mechanism is provided. (Micro-adjustment)
8 Stitch length 1.2 mm to 3.6 mm (can be adjusted up to 4.4 mm)
9 Needle UY128GAS ORGAN #9S to #14S (standard #10S)
(SCHMETZ Nm65 to Nm90, standard Nm70)
10 Needle bar stroke 31mm (standard), possible up to 33 mm by adjustment)
11 Dimensions (Height) 451 x (Width) 515 x (Length) 265
12 Weight 46kg
13 Lift of presser foot 8 mm (needle gauge : 5.6 mm without top covering), and 5 mm (with top covering)
Micro-lifter mechanism is provided.
14 Feed adjustment method Main feed ... dial type stitch pitch adjustment method
Differential feed ... lever adjustment method (micro-adjustment mechanism is provided.)
15 Looper mechanism Spherical rod drive method
16 Lubricating system Forced lubrication method by gear pump
17 Lubricating oil JUKI MACHINE OIL 18 (Equivalent to ISO VG18)
18 Oil reservoir capacity Oil gauge lower line : 600 cc to upper line : 900 cc
19 Installation Semi-submerged type
20 Needle tip, needle thread and Provided as standard
silicon oil lubricating unit
21 Noise Workplace-related noise at sewing speed
n= 5000 min
-1
: LPA ≦78 dB (A)
Noise measurement according to DIN 45635-48-A-1.
1. SPECIFICATIONS
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