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LH-4578CFF
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LH-4578CFF
Semi-dry head, 2-needle Lockstitch Sewing System
The LH-4500C is Juki's flagship 2-needle machine with advance digital functions and the ability to adjust the machine via the Juki Smart App. 
Digital 2-Needle Lockstich
Contact Agent
See Specification
All Parameters Digitalized
Active Tension
Material Thickness Sensor
Product overview

Seam quality is improved by introducing the separately-driven right and left active tension mechanisms. The needle thread tension is automatically corrected according the sewing speed. Consistently seam quality is, therefore, achieved regardless of changes in sewing speed. The needle thread tension is automatically corrected according to the remaining amount of bobbin thread. Seam quality is, therefore, stabilized even when the remaining amount of bobbin thread has reduced.
Corner stitching capability has been improved
Changeover from the normal stitching to the corner stitching is carried out semi-automatically using the lever while ensuring ease of operation. The operator only needs to input data on the needle gauge/stitching angle through the operation panel. Then, the operator can start the corner stitching only by operating the lever during sewing. Thereafter, the sewing machine automatically changes the sewing mode between the normal stitching and the corner stitching. This means that even the inexperienced operator can produce consistent seam quality while improving productivity.
Digital presser foot is adopted
Thanks to the adoption of the digital presser foot, the presser foot pressure can now be corrected according to the sewing speed.
Reduction in setup change time
● The large hook that has a 1.8-fold capacity, in comparison with the standard hook, is adopted. Frequency of bobbin thread changing decreases by half. *The world's first sewing machine, for sewing foundation, provided with this hook.
● The horizontal-feed is controlled by motor. The stitch pitch can be set on the operation panel.
Operator fatigue reduction
The LED light is provided as standard on the undersurface of arm jaw.
In addition to the conventional function of the LED light, the color shade can be changed over as "white⇔neutral color (initial value) ⇔incandescent" so as to help reduce the operator's eye fatigue.
The use of a 1/2 opener system reduces noise and vibration, reducing stress and fatigue to the operator.
Similar products (2)
LH-4578CFF
2-Needle, Lockstitch Machine
Differences
LH-4578CFG-7, LH-4588CFG-7
2-Needle, Lockstitch Machine
Differences

Apparel Sewing machines

LH-4578CFF

Semi-dry head, 2-needle Lockstitch Sewing System

The LH-4500C is Juki's flagship 2-needle machine with advance digital functions and the ability to adjust the machine via the Juki Smart App. 

Digital 2-Needle Lockstich

All Parameters Digitalized
Active Tension
Material Thickness Sensor
Product overview

Seam quality is improved by introducing the separately-driven right and left active tension mechanisms. The needle thread tension is automatically corrected according the sewing speed. Consistently seam quality is, therefore, achieved regardless of changes in sewing speed. The needle thread tension is automatically corrected according to the remaining amount of bobbin thread. Seam quality is, therefore, stabilized even when the remaining amount of bobbin thread has reduced.
Corner stitching capability has been improved
Changeover from the normal stitching to the corner stitching is carried out semi-automatically using the lever while ensuring ease of operation. The operator only needs to input data on the needle gauge/stitching angle through the operation panel. Then, the operator can start the corner stitching only by operating the lever during sewing. Thereafter, the sewing machine automatically changes the sewing mode between the normal stitching and the corner stitching. This means that even the inexperienced operator can produce consistent seam quality while improving productivity.
Digital presser foot is adopted
Thanks to the adoption of the digital presser foot, the presser foot pressure can now be corrected according to the sewing speed.
Reduction in setup change time
● The large hook that has a 1.8-fold capacity, in comparison with the standard hook, is adopted. Frequency of bobbin thread changing decreases by half. *The world's first sewing machine, for sewing foundation, provided with this hook.
● The horizontal-feed is controlled by motor. The stitch pitch can be set on the operation panel.
Operator fatigue reduction
The LED light is provided as standard on the undersurface of arm jaw.
In addition to the conventional function of the LED light, the color shade can be changed over as "white⇔neutral color (initial value) ⇔incandescent" so as to help reduce the operator's eye fatigue.
The use of a 1/2 opener system reduces noise and vibration, reducing stress and fatigue to the operator.
Specification
All Functions
Specification
Application
Foundation
Max Sewing Speed
3000sti/min
Hook Type
Vertical-axis hook (large)
Lubrication
Semi-dry / Hook section: Minute-quantity lubrication (tank system)
Max Stitch Length
4 mm
Needle
DPx5 #10 (#9-16)
Needle Bar Stroke
33.4 mm
Needle Thread Tension
Independent right and left active tension mechanism
Lift of the Presser Foot
13 mm
Corner stitching
Not provided
Feed System
Needle feed
Thread Take-Up Lever
Slide type
Free Space Under the Arm
120 mm (H) x 266 mm (distance from machine arm to needle) x 87 mm (height of the jaw section)
Standard Accessories