LK-1903A LK-1903A/BR35 (with button feeder)

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Computer-controlled, High-speed, Lockstitch, utton ewing Machine LK-1903 LK-1903/R35 (with button feeder) LK-1903--301 (Table stand is optionally available.) EM ccreditation IO14001:1996 RE005 REG.NO.

is considered, ➁the conservation of the energy and resources, and the recycling, in the research, development, design, distribution, sale and maintenance service of the industrial sewing machines,

1 Computer-controlled, High-speed, Lockstitch, utton ewing Machine LK-1903 LK-1903/R35 (with button feeder) LK (Table stand is optionally available.) EM ccreditation IO14001:1996 RE005 REG.NO.JE HED OFFICE The environmental management system to promote and conduct ➀the technological and technical research, the development and design of the products in which the environmental impact is considered, ➁the conservation of the energy and resources, and the recycling, in the research, development, design, distribution, sale and maintenance service of the industrial sewing machines, household sewing machines and industrial-use robots, etc. and in the sale and maintenance service of the data entry system and in the purchase, distribution and sale of the household commodities including the healthcare products.

LK-1903 Higher productivity. The machine achieves sewing speed of 2,700rpm.

The machine is provided as standard with 50 different sewing patterns.

The LK-1903 is also able to sew buttons using the same data used for the LK-1903 (EP-ROM). Excellent seam quality.

(This device has been factory-set to invoking prohibited status at the time of delivery.) uto-lifter mechanism utilizing a new system.

It is also possible to change over the stroke of the auto-lifter from a onestep stroke to a double-step stroke, which offers easier positioning of a material on the machine.

2 LK-1903 Higher productivity. The machine achieves sewing speed of 2,700rpm. The machine's starting, stopping, thread-trimming and automatic presser lifting speeds have been increased to significantly shorten total cycle time. Many different sewing patterns. The machine is provided as standard with 50 different sewing patterns. The machine permits easy changeover of sewing patterns for effortless execution of an inexhaustible range of sewing specifications. The LK-1903 is also able to sew buttons using the same data used for the LK-1903 (EP-ROM). Excellent seam quality. Newly developed needle thread grasping mechanism helps produce consistent knot tying at the beginning of sewing. (This device has been factory-set to invoking prohibited status at the time of delivery.) uto-lifter mechanism utilizing a new system. The machine is provided as standard with auto-lifter that uses a new stepping-motor system. This helps reduce operator fatigue. It is also possible to change over the stroke of the auto-lifter from a onestep stroke to a double-step stroke, which offers easier positioning of a material on the machine. For the double-step stroke, an intermediate stopping height can be established on the operation panel. The work clamp foot lift can be set to a maximum of 13mm. The sewing starting point can be corrected. In cases where the needle entry point for button sewing is to be corrected, the sewing starting point can be corrected without the adjustment of the relevant mechanism. ctive tension LK The machine is provided as standard with the active tension (electronic thread tension control mechanism). ince the machine is provided with active tension mechanism, it is able to set a needle thread tension that matches various sewing conditions (such as thread, material and sewing speed) on the operation panel, store the data in memory and reproduce it. The needle thread tension can be set separately according to the portion of a seam, such as the beginning of a seam, during sewing and end of the seam (fastening stitch). When the operation panel IP-200 is used with the machine, the needle thread tension can be established on a stitch-by-stitch basis for upgraded seam quality. Oil stains are eliminated. Thanks to our advanced dry-head technology, the frame (needle bar and thread take-up) no longer requires lubrication. This prevents the material from being stained with lubricating oil. Just a small quantity of clean oil is supplied from the oil tank to the hook. OPERTION PNEL (You can choose operation panel.) TNDRD PNEL Functional settings, such as pattern numbers and needle thread tensions can be established through the operation panel with ease. Distance between holes in a button can be easily changed by means of pattern enlargement/reduction feature. tandard sewing patterns can be assigned to pattern keys P1 to P50. ny of the sewing patterns assigned to the P1 to P25 pattern keys can be activated with a touch of the corresponding key. This means that workability is improved by assigning 25 sewing patterns that are most frequently used to those pattern keys. s many as 20 different cycle sewing patterns, each of which combines a maximum of 30 different sewing patterns, can be stored in the memory. The operation panel has been installed at an angle and can be placed at the top, bottom, right or left part of the table according to the operator's preference. IP-200 large color LCD touch panel has been adopted for the display. It gives clear displays that allow the operator to understand operating procedures. The IP-200 panel can be connected to a personal computer and can store data on martmedia. This allows data to be exchanged or shared among sewing machines installed in a factory or among remote factories. The IP-200 panel has been provided with a process improvement supporting feature through the indication of the operational state of the sewing machine, and a maintenance and management feature for indicating the needle changing timing and cleaning timing.

3 TLE OF THE EWING PTTERN Pattern No. titch shape 134 ewing thread (pcs.) tandard length tandard length X (mm) Y (mm) Pattern No. titch shape 1844 ewing thread (pcs.) 6 tandard length tandard length X (mm) Y (mm) ø Model name utton type Max. sewing speed MODEL CLIFIED Y UTTON IZE utton configuration Configuration of shank Parts shown in parentheses ( ) are optional.engraved marker Option For shank button 1,500rpm Outside diameter 820 Diameter of hole in button 1.5 or more Position of hole in button 1.5mm or more (mm) (mm) Min Max Pattern No. 18, 19, 20, 21, (1) tandard sewing lengths X and Y given above are given assuming that the scale is 100. (2) Use the patterns No with hole diameter 1.5mm or less. Model name LK LK Option utton size For extra-small button For small button (accessory) For medium-size button For large button Outside diameter that can be adjusted (mm) ewing Length (Y) size (mm) Width (X) Thickness (2.2) (2.2) (2.2) (3.2) (mm) (2.7) (2.7) (0.9) MZ G K L MZ D utton clamp (MZ158070) F (MZ ) (MZ ) (MZ157070) E jaw lever Right (MZ ) C (MZ ) C (combination) ( ) MZ G K L MZ D Left (MZ158080) F (MZ ) (MZ ) (MZ157080) E (MZ ) C (MZ ) C ( ) 1.6 (1.6) Needle hole (1.8) (1.8) guide (mm) (1.1) 2.8 (3.5) øc C 1.6 MZ (1.6) (MZ ) ( ) ( ) MZ MZ (D Y00) Feed plate MZ (8.5) MZ (10) MZ (12.5) Optional part for shank button Name of part Pick-up device complete D1401M1YC0 Needle bar (for TQ-1) MZ Wiper (asm.) Moving plate link ushing L TN (2 pcs.) crew MZ utton support link D TP Hinge screw Connecting link L TN (2 pcs.) crew MZ Needle hole guide MTQ Needle TQ3 #14

LK-1903 /R35 Newly developed machine head, LK-1903 is adopted. LK-1903/R35 is now available.

feed mechanism, the speed of 2,700rpm (2,500rpm in normal use) and is button carrier sets a

Furthermore, operator fatigue is reduced since what operator needs to do is only setting material

LK-1903-311/R35 OPERTION PNEL The variety of functions can be easily adjusted by the simplified

larm lamp will be activated when problem is detected so that proper measures can be taken quickly.

It starts sewing a button by pressing a pedal, thread trimmer is activated after sewing a button,

The machine repeats these operations with this mode.

4 LK-1903 /R35 Newly developed machine head, LK-1903 is adopted. LK-1903/R35 is now available. It provides better productivity as it achieves the maximum With our original horizontal forced feed mechanism, the speed of 2,700rpm (2,500rpm in normal use) and is button carrier sets a button in position so that the equipped with the high speed trimmer. operation is simplified. Furthermore, operator fatigue is reduced since what operator needs to do is only setting material and pressing a pedal. LK /R35 OPERTION PNEL The variety of functions can be easily adjusted by the simplified operation panel. larm lamp will be activated when problem is detected so that proper measures can be taken quickly. utomatic supply mode The machine and button feeder are connected and run together. It starts sewing a button by pressing a pedal, thread trimmer is activated after sewing a button, and button feeder sets the next button in position automatically. The machine repeats these operations with this mode. Mode for individual This mode is for the machine only. s button feeder will not be activated, this can be used as a standard button sewing machine. Mode for small lots ame as the automatic mode, but parts feeder will not be activated. It discharges the required amount of buttons in the index and sews buttons automatically. This is suitable for smaller lots.

MODEL CLIFIED Y UTTON IZE Model name LK-1903-311/R35 LK-1903-312/R35 utton size For small button For medium-size button Outside diameter that can be

2) 14190458 P MZ1660700 J utton clamp Right (MZ1650800) H jaw lever (combination) 14190557 P MZ1660800 J Left Parts shown in parentheses ( ) are

0 MZ15501000 (14149603) MZ15601000 Feed plate MZ15502000(8.

) 1 M6041150TP crew 2 LK-1903 T1250705RO Rubber plug 1 HX00123000C Cable clip 4 L4041091C crew 4 When you install magnet wiper on the machine head

Model pplicable model Description Q123 LK-1903 MQ1230000 Q124 LK-1903/R35 MQ1240000 Z099 LK-1903 14134050 LK-1903/R35 utton spacer (commonly used for

) UTTON CRRIER Distance (mm): Distance Distance (mm): between Diameter holes in of set pin button 2.0 2.2 2.8 3.1 3.1 3.1 3.2 3.6 4.

165-88907 1.5 165-89806 165-87206 165-89004 1.

5 MODEL CLIFIED Y UTTON IZE Model name LK /R35 LK /R35 utton size For small button For medium-size button Outside diameter that can be adjusted (mm) ewing Length (Y) size (mm) Width (X) Thickness (mm) (2.2) P MZ J utton clamp Right (MZ ) H jaw lever (combination) P MZ J Left Parts shown in parentheses ( ) are optional. Engraved marker (MZ ) H Needle hole (1.8) guide (mm) ø øc C MZ ( ) MZ Feed plate MZ (8.5) MZ (10) OPTION Magnet wiper pplicable model Description Quantity olenoid for wiper (asm.) 1 M TP crew 2 LK-1903 T RO Rubber plug 1 HX C Cable clip 4 L C crew 4 When you install magnet wiper on the machine head after factory shipment, a part of belt cover should be modified. Model pplicable model Description Q123 LK-1903 MQ Q124 LK-1903/R35 MQ Z099 LK LK-1903/R35 utton spacer (commonly used for men's wear and ladies' wear) utton rising bar (asm.) (ttachment and removal are possible.) For thick buttons (Thickness of button should be mm.) UTTON CRRIER Distance (mm): Distance Distance (mm): between Diameter holes in of set pin button Configuration of button carrier For 4-holed button For 2-holed button Tapered Distance (mm): Distance Distance (mm): between Diameter holes in of set pin button tandard 3.2 Optional Q R T U V W F1 D X Z G1 H1 E1 HPE OF UTTON hape of button Remarks pplicable button mm or more Thickness of button should be mm mm or less E F G L H M J N K P C Inapplicable carrier utton without indented part(concavoconvex shape button) utton with thin edge may not be fed by the button feeder.

6 PECIFICTION Model name LK-1903 LK-1903/R35 Max. sewing speed 2,700rpm (normal 2,500rpm) Type: Round-shaped, flat button Type: Round-shaped, flat button (2-holed, 4-holed) ize: 832mm ize: 920mm (standard 820mm) For small button: 1015mm utton size For medium-sized button: 1218mm (Those that are smaller than 10mm or larger than 18mm must be specially ordered.) Thickness: mm titch length 0.110mm (0.1mm step) Needle bar stroke 45.7mm Lift of the work clamp foot Max. 13mm Max. 11mm uto-lifter Provided as standard (stepping motor type) Needle thread tension ctive tension (electronic thread tension control system) Needle (at the time of delivery) DP17(#14) Hook tandard shuttle hook Number of stitches that can be stored in memory Max. 20,000 stitches Number of standard patterns 50 patterns Number of data that can be input 200 patterns (for up to 150 patterns, sewing data can be added.) Enlarging/Reducing facility 20200%(1% step), Pattern enlargement /reduction can be done by increasing /decreasing the stitch length Memory medium EEP-ROM /EP-ROM obbin thread counter Provided as standard (up/down method) upplying and sorting of button Vibration system utton feed Horizontal forced button-feed mechanism utton feed mode utomatic feed mode, non-feed mode, and small-lot sewing mode Lubrication Hook: minute-quantity lubrication Lubricating oil JUKI New Defrix Oil No.2 (equivalent to IO VG32) ewing machine motor 450W compact C servomotor (direct-drive system) Power consumption 320W 350W Weight Machine head (include motor) 42kg, Control box 16.5kg 115kg (include machine head, table and R35) WHEN YOU PLCE ORDER Please note when placing orders, that the model name should be written as follows: [Machine head] LK1903 [Control box] MC596 pplication tandard Work clamp foot tandard utton clamp jaw lever For extra-small, small button 301 For medium-size button 302 Power supply 3-phase V E V K ingle-phase CE V (not provided N with power switch) Operation panel tandard panel IP-200 P [Machine head] LK1903 /R35 pplication tandard Work clamp foot tandard utton clamp jaw lever For small button 311 For medium-size button 312 Feed plate For small button (standard: 16mm) For medium-size button (22mm) M Power supply 115V C 220V D ingle-phase 240V E CE 230V (not provided G with power switch 3-phase 220V K Operation panel tandard panel IP-200 cannot be installed. To order, please contact your nearest JUKI distributor. MRKETING & LE H.Q , KOKURYO-CHO, CHOFU-HI, TOKYO , JPN PHONE : (81) , 2358 FX : (81) , pecifications and appearance are subject to change without prior notice for improvement. Read the instruction manual before putting the machine into service to ensure safety. This catalog is printed on recycle paper. FERURY, 2005 Printed in Japan(D)

Computer-controlled, High-speed, Lockstitch, Button Sewing Machine. LK-1903A-SS-301 (Table stand is optionally available.)

LK-1903 LK-1903/R35 (with button feeder) Computer-controlled, High-speed, Lockstitch, utton ewing Machine LK-1903--301 (Table stand is optionally available.) LK-1903 ERIE The active tension mechanism is