Specifications - JUKI MF-7923 Instruction Manual

!. SPEcIFIcatIoNS

Model name
Model
Sttch type
Example of applcaton
Sewng speed
Needle gauge
Dfferental feed rato
Sttch length
Needle
Needle bar stroke
Dmensons
Weght
Lft of presser foot
Feed adjustment
method
Looper mechansm
Lubrcatng system
Lubrcatng ol
Ol reservor capacty
Installaton
Nose
Hgh-speed, cylnder-bed coversttch machne
MF-7900 seres
ISO standard 406, 407, 602, and 605
Hemmng and coverng for knts and general kntted fabrcs
Max. 6,500 st/mn (at the tme of ntermttent operaton) V-belt type
6,000 st/mn (at the tme of ntermttent operaton) Drect-drve type
Speed of sttch at the delvery. 4,500 st/mn (at the tme of ntermttent operaton)
3-needle ... 5.6 mm and 6.4 mm
2-needle ... 3.2 mm, 4.0 mm and 4.8 mm
 : 0.9 to  : .8 (sttch length : less than 2.5 mm)
(:0.6 to :., when the dfferental lnk hnge screw s changed)
Mcro-dfferental feed adjustment mechansm s provded. (Mcro-adjustment)
0.9 mm to 3.6 mm (can be adjusted up to 4.5 mm)
UY28GAS #9S to #2S (standard #0S)
3mm (33 mm, when the eccentrc pn s changed)
(Heght) 450 x (Wdth) 468 x (Length) 264
42 kg
8 mm (needle gauge : 5.6 mm wthout top coverng), and 5 mm (wth top coverng)
Mcro-lfter mechansm s provded.
Man feed ... dal type sttch ptch adjustment method
Dfferental feed ... lever adjustment method
(mcro-adjustment mechansm s provded.)
Sphercal rod drve method
Forced lubrcaton method by gear pump
JUKI GENUINE OIL 8
Ol gauge lower lne : 600 cc to upper lne : 900 cc
Table-fixed type, Semi-submerged type
- Equvalent contnuous emsson sound pressure level (L
A-weghted value of 79.5 dB; (Includes K
-ISO 204 GR2 at 4,500 st/mn.
= 2.5 dB); accordng to ISO 082- C.6.2
pA
–  –
) at the workstaton :
pA