Specifications - JUKI LH-4128-7 Engineer's Manual

1. Specifications

Model name
No.
Item
1 Model
2 Application
3 Max. sewing speed
4 Max. stitch length
5 Thread take-up
6 Needle bar stroke
7 Hook
Separately driven needle
8
stop mechanism
9 Needle
10 Gage size
inch (mm)
11 Lift of presser foot
12 Lubricating oil
13 Grease
14 Control box used
15 External dimensions
16 Weight of head
17 Power consumption
Working temperature/
18
humidity
Supply voltage/
19
frequency
Audible sound level
20
(3000rpm)
(Caution) 1. 4 mm only in the case of Specification F. For other Specifications S and G, 4 mm of normal/reverse feed
stitching is applicable to a maximum sewing speed of 3500 rpm or above.
2. For Specification F, the recommendable needle shall be of 134SES SERV7 Nm65 (equivalent to #9).
3. The control box
S JUS (LA):
D JUS/General export: 3-phase 200 to 240V
K General export:
N CE:
U China:
LH-4128
Direct-drive, high speed, 2-needle, needle-feed, lockstitch machine
For light-, medium- and heavy-weight materials
Specification S: Standard
Specification F: Foundation
Specification G: Jeans
4000rpm (Specification F: 3000rpm)
Not provided
Specification S : DP x 5 #9 to #16, Specification F : DP x 5 #9 to #11,Specification G : DP x 5 #16 to #22 (Caution) 2.
1/8" to 1-1/2"
(3.2 to 38.1mm)
12mm by knee lifter, 5.5mm by hand lifter lever, 9mm by knee lifter with wiper
JUKI NEW Defrix oil No. 1 (equivalent ISO VG7)
JUKI grease A (Part No. : 40006323)
Width: 615mm, Heigh: 420mm, Depth: 267mm (with AK125)
Temperature : 5°C to 35°C, Humidity : 35% to 85% (no condensation)
, , and to be used shall be selected according to the classification specified below.
Control box classification
single-phase 100 to 120V PFL
single-phase 200 to 240V PFL
single-phase 200 to 240V PFL
single-phase 200 to 240V PFL
Application
LH-4128-7
(with automatic (with automatic thread (with automatic thread
thread trimmer) trimmer incorporating trimming shuttle rectangular
corner stitching)
Specification S : Standard,
Specification G : Jeans
Forward/reverse feed: 5mm
Linked thread take-up lever
31.6mm
Small hook
1/8" to 1-1/4"
(3.2 to 31.8mm)
SC910A -AA
65kg (LH-4168-7/AK125)
650VA
Rated voltage ± 10%, 50/60Hz
Approx. 83dB A
S
A
PFL
– 1 –
LH-4168-7
stitching function)
For medium- and
heavy-weight materials
Specification G : Jeans
3200 rpm
(Caution)1.
Provided
1/8" to 1"
(3.2 to 25.4mm)
JUKI grease A (Part No. : 40006323)
JUKI grease B (Part No. : 40013640)
(Caution) 3.
Control box type classification
LH-4128, 4128-7
LH-4128, 4128-7, 4168-7, 4188-7
Shipping voltage classification
3 100 to 120V
4 200 to 240V
LH-4188-7
32.6mm
Large hook