Semi-dry-head, 2-needle, Lockstitch Machine
LH-3578A-7
LH-3578A 

The LH-3500A, with a large hook for jeans, is provided with a "large hook" which is 1.7-fold larger than the standard hook provided for the model launched this last January. With the large hook, this machine helps reduce the frequency of bobbin thread changing when sewing jeans or the like with thick thread. In addition, the curvature of the thread path has been minimized to improve the feed locus. This promises a strong and smooth feed of the material even when sewing heavy-weight materials for jeans.

    • For the lockstitch machines for jeans and heavy-weight materials (G type) requiring well-tensed seams, the curvature of the thread path has been minimized and the feed timing and motion locus of the feed dog have been reviewed. Through these improvements, the production of consistently tensed seams is ensured.
    • The adoption of a high-torque motor helps increase the penetrating force of the needle by approximately 32 % as compared with JUKI's conventional machines. As a result, the needle ensures excellent penetrating force even when sewing multi-layered parts of a heavy-weight material.
    • For the machine with an automatic thread trimmer, the direct-drive system, where a compact servomotor is directly connected to the main shaft, has been adopted. The power consumption is reduced by approximately 20 % by combining the direct-drive system with the new model control box (SC-920).

 
 
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Model nameLH-3578A-7LH-3578A
ApplicationG: Jeans and heavy-weight
Max. sewing speed3,000sti/min
Max. stitch length5mm (F type: 4mm)
Presser foot7mm (by hand), 13mm (by knee)
NeedleG: DP×5 (#21) #16~#23
 
Cloth cutting knife
 
Bottom-feed
 
Automatic thread trimmer
 
Organized split
needle bar
 
Dry-head, Intelligent
Direct-drive Sewing Machine
 
Horizontal-axis hook
(large)
 
Needle-feed
2-needle
Vertical-axis hook
(large)
Differential-feed
3-needle
4-needle
Active tension
Belt-feed
Belt-loop attaching
Button sewing
Double
chainstitch
Unison-feed
Eyelet
buttonholing
Pocket welting
Button sewing
with neck wrapping
Lockstitch
buttonholing
Lockstitch
Pinpoint stitch
R-θ drive
Cloth puller
Bottom and
variable top-feed
Bartacking
Stacker
Zigzag stitching
Bottom and
variable top-feed
X-Y drive
Horizontal-axis hook
(3-fold-capacity)
Top and bottom-feed
Single-thread
chainstitch
T-shirt
Shorts
Casual bag
Trousers
Men's jacket
Polo shirt
Brassiere
Brief
Dress shirt
Jeans