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LH-4100 Series machines come with a direct-drive, semi-dry head,
and high & long arm to provide maintainability, silent operation
and beautifully-finished seams. This is the highest grade
2-needle lockstitch machine series launched by JUKI.
Range of sewing capabilities is
dramatically increased
The LH-4100 Series has been designed laying importance on
the ease of thread tension adjustment in cases of the changing
of sewing materials ranging from light-weight (soft) to heavy-
weight (hard). All thread paths on which the needle thread
and/or bobbin thread passes have been totally rechecked to
ensure a range of sewing capabilities that is substantially
broader than that of the conventional models.
Soft opener which helps reduce
operating noise of the machine
The opener achieves a silent operating environment which
has never been obtained by the conventional ones. It guides
the bobbin case with literally a "soft touch" to reduce bobbin
thread tension, thereby helping tense the thread uniformly
and produce beautifully finished seams.
JUKI's unique opener lays down
an elliptical locus
Changeover between the needle feed
and bottom feed (LH-4128)
For example, for processes such as the topstitching of
brassier cups and top-center plait of men's shirts, which
need to be sewn so as to prevent puckering, the use of
a bottom feed gauge is recommended.
gauge is effective at the prevention of puckering and
enables sewing with a lower tension applied to the thread.
Changeover
Bottom-feed
Needle-feed gauges
Presser foot
Throat plate
Bottom-feed gauges
Presser foot
Throat plate
To changeover between the needle feed and bottom feed,
the replacement of gauges and a simple adjustment are required.
JUKI's feed method permits adjustments of the timing between
the needle and feed dog, which affects the sewing performance of
the machine.
The bottom feed
Needle-feed
Feed dog
Feed dog
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