JUKI LK-1900A, Engineer'S Manual

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Indication Level Functions Setting range Remarks
U State of work clamp foot when 0: Work clamp foot goes up. 0
machine stopped by temporary 1: Work clamp foot goes up
stop command can be selected. with work clamp foot switch.
2: Lift of work clamp foot is
prohibited.
U Needle bar stop position is set. 0: Up position (53
°
) 0 Needle bar rotates the reverse
1: Upper dead point (22
°
) direction after the UP position stop
and stops when upper dead point
stop is set.
S Selection of sewing machine 0:400rpm 1 This is the sewing machine rpm of the
rpm during thread trimming 1:800rpm thread spreading by moving knife.
When the sewing machine has
stopped, thread trimmer is function.
S Selection of whether the thread 0: Feeding disabled. 1
is moved in the direction of easy 1: Feeding enabled.
trimming.
S Needle hole guide diameter when 16~40 16 When the setting value is increased,
feeding is moved for thread cutting. (1.6mm~4.0mm) (1.6mm) the amount of feeding becomes larger.
(Setting possible in the unit of 0.2mm)
U Thread trimming can be disabled 0: Normal 0 After tentative stoppage, thread
at the end of sewing. 1: Thread trimming disabled trimming is not disabled.
S Thread trimming can be disabled. 0: Normal 0 All thread trimming operation is
1: Thread trimming disabled disabled.
U The origin reset route can be 0: Linear reset 0
selected with the reset key. 1: Pattern returning
U Bobbin winding speed can be set 800~2000rpm 1600
(Setting possible in the unit of 100rpm)
U Operation timing of material 0: Output prohibited 2 For the machines other than
closing is selected. 1: Operation when work clamp foot LK-1901A, this function is not
(LK1901A only) comes down. indicated.
2: Operation at the time of start
U Wiper operation method can be 0: Without wiper at the time of
selected. thread trimming on the way
1: With wiper at the time of
1
1
Without return of the last wiper
thread trimming on the way
2
With return of the last wiper
1
(When the setting No. 37:1 of the
2: With wiper at the time of th- memory switch, wiper operation
read trimming on the way
2
method can not be used.)
3: Magnet wiper
S Magnet wipe-out time 10~500ms 50 Effective only if the magnet
(Setting possible in the unit of 10ms) wiper has been selected.
S Magnet wipe-in time 10~500ms 100
(Setting possible in the unit of 10ms)
S Wipe-out timing at the time of 0: Sewing machine returned 0 Effective only if upper dead
upper dead point stop and upper dead point stop point stop is selected.
after wiper operation in up
position.
1: Wiper operation after upper
dead point stop
U The stitching at the start of sewing 0: The stitching effective 0 For the machines other than LK-
of the pattern for button sewing 1: Tie stitching ineffective 1903A, thus function is not indi-
can be prohibited. For LK-1903A only cated.
S Moving limit range in +X direction –20~20mm 20 In the state of shipment, no clamp
(right side) configuration is considered.
S Moving limit range in –X direction –20~20mm –20 In the state of shipment, no clamp
(left side) configuration is considered.
S Moving limit range in +Y direction –20~10mm 10 In the state of shipment, no clamp
(back side) configuration is considered.
S Moving limit range in –Y direction –20~10mm –20 In the state of shipment, no clamp
(front side) configuration is considered.
S Jump feed speed of XY 100~4000pps 2000
(Setting possible in the unit of 10pps)
State when
deivered