Mf-7900-E22/23; Specifications; In Case Of Using E22; Installing Procedure - JUKI MF-7900 Series Engineer's Manual

11. MF-7900-E22/23

(1) Specifications

Model
Model name
Sewing speed
Needle gauge 3-needle 5.6 mm, 6.4 mm
Differential feed ratio
Stitch length
Binder open/close amount 40 mm
Needle bar stroke
Noise

(2) In case of using E22

1) Installing procedure

WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
❶
MF-7900-E22, MF-7900-E23
E22 : Machine for attaching endless spandex elastic tape (With manual open/
close type binder)
E23 : Machine for attaching endless spandex elastic tape (With pneumatic
open/close type binder)
Max. 5,000 sti/min (at the time of intermittent operation) (provided with PL12 or
13)
Speed of stitch at the delivery. 4,000 sti/min (at the time of intermittent opera-
tion) (provided with PL12 or 13)
1 : 0.6 to 1 : 1.8 (Stitch length less than 2.5 mm)
Provided with micro differential feed adjustment mechanism (Micro-adjust)
0.9 to 3.6 mm (Adjustable up to 4.5 mm)
33 mm (35 mm in the case the eccentric pin is changed over)
- Equivalent continuous emission sound pressure level (L
A-weighted value of 79.5 dB; (Includes K
C.6.2 -ISO 11204 GR2 at 4,500 sti/min.
– 142 –
= 2.5 dB); according to ISO 10821-
pA
1. Installing the binder close/open knee switch
Install the binder close/open knee switch under
the machine table with wood screws ❶ .
) at the workstation :
pA