JUKI PLC-2760NV User manual
PLC-2760NV
INSTRUCTION MANUAL
ii
CONTENTS
1. Specications ................................................................................................................. 1
2. Threading the machine head......................................................................................... 2
3. Pneumatic components (when the pneumatic center guide is used) ....................... 3
4. Setting the incidental device (pneumatic center guide) ............................................ 5
4-1. Setting the ON/OFF status of the center guide ................................................... 5
4-2. Setting the optional input for the the center guide............................................. 7
4-3. Setting the optional output for the center guide ................................................ 8
CAUTION
This Instruction Manual for the PLC-2760NV only describes their dierences from the stan-
dard models (PLC-2760V).
For safety-related information, carefully read and fully understand "Safety precautions"
described in the Instruction Manual for the standard models before using your sewing ma-
chine.
– 1 –
Item Application
Model PLC-2760NV
Sewing speed Max. 2,500 sti/min
Refer to "10. SEWING SPEED TABLE"
in the Instruction Manual for the standard model.
Stitch length Max. 12 mm
Needle SCHMETZ 134×35 (Nm 125 to Nm 200) (Standard : Nm 140)
Applicable thread size for sewing #30 to #0 (US: #46 to #266, Europe: 60/3 to 10/3)
Applicable thread size to be cut #30 to #0 (US: #46 to #266, Europe: 60/3 to 10/3)
Motor AC servo motor
Presser foot pressure control Electronic control
Horizontal feed control Electronic control
Alternate vertical feed control Electronic control
Lubricating oil JUKI New Defrix Oil No. 1 (equivalent to ISO standard VG7)
or JUKI MACHINE OIL No. 7
Number of patterns Sewing pattern ............................ 99 patterns (For the polygonal shape sewing,
as many as 10 patterns can be registered.)
Cycle sewing pattern ................... 9 patterns
Custom-pitch pattern ................... 20 patterns
Condensation custom pattern ..... 9 patterns
Noise -Equivalent continuous emission sound pressure level (LpA) at the
workstation:
A-weighted value of 83.5 dB; (Includes KpA = 2.5 dB); according to ISO
10821- C.6.2 - ISO 11204 GR2 at 2,500 sti/min.
-Sound power level (LWA);
A-weighted value of 90.5 dB; (Includes KWA = 2.5 dB); according to ISO
10821- C.6.2 - ISO 3744 GR2 at 2,500 sti/min.
1. Specications
PLC-2760NVSA70BBZ
– 2 –
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power o and ascertaining that the motor is at rest.
Thread the machine head following the order as
illustrated in the gure.
If you want to perform thread trimming at a position where no material exists, it is necessary to
change thread guide with the suitable thread guide. The thread guide to be used instead of the
current one is supplied with the unit as an accessory.
Part number of replacement thread guide: 40034675
❻
❸
❼
❹
❶
❾
❺
❷
❶
❷
❼
❹
❻
❹
❺❺
❼
❻
❾
❽
❽
Left-hand
needle thread Right-hand
needle thread
2. Threading the machine head
– 3 –
WARNING :
To protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power o and ascertaining that the motor is at rest.
(1) Installing the regulator
1) Install regulator (asm.) ❶on mounting plate ❺
with screw ❷, spring washer ❸and nut ❹which
are supplied with the unit.
2) Attach joint ❻to inlet 1. Attach joint ❼to outlet
2.
3) Attach mounting plate ❺on the undersurface of
the table with accessory screws ❽supplied with
the plate.
4) Connect the ø6 air tube to joint ❼.
* Screw ❷which is supplied with the unit:
Thread diameter M5; Length: 12 mm
(SM6051202TP)
(2) Adjusting the air pressure
1) The operating air pressure is 0.5 to 0.55 MPa.
Adjust the air pressure using air pressure regulat-
ing knob ❶ of the lter regulator.
2) In the case uid accumulation is observed in A
section of the lter regulator, turn drain cock ❷to
drain the uid.
Decrease Increase
❶
❷
A
❷
❶
❺
❼
❻
❹
❸
❽
1
2
3. Pneumatic components (when the pneumatic center guide is used)
– 4 –
❸
❹
❶
❷
❺
2ø4 tube
(3) Attaching the solenoid valve
1) Attach solenoid valve asm. ❷to the under-
surface of the table with accessory screw ❶
(SK3452001SE).
2) Connect the ø6 tube described in step 4) in "(1)
Installing the regulator" to joint ❸.
Cut the ø6 tube to an appropriate length before
use.
3) Connect the ø4 air tube coming from the air type
center guide to joint ❹.
4) Connect connector ❺to the CN59 on the electri-
cal control box.
– 5 –
4. Setting the incidental device
4-1. Setting the ON/OFF status of the center guide
❶
1) ❶held pressed for three second.
The "mode screen" is displayed.
2) Select "14. Incidental device setting".
3) The "Incidental device setting screen" is dis-
played.
When the device setting of which is to be
changed is selected, the setting screen for the
selected device is displayed.
4) Select "1. Center guide" to display the "Center
guide setting screen".
<Incidental device setting screen>
5) Select "H001 Function ON/OFF" to display
the "Center guide function ON/OFF setting
screen".
<Center guide setting screen>
– 6 –
❷
❹
❻
<Center guide ON/OFF setting screen>
❸
❺
6) Select ON/OFF status of the function.
7) Press ❷to conrm the setting.
8) Press ❸ to display the sewing data
edit screen.
9) Press ❹ to display the "S056 center
guide".
10) Then, set the ON/OFF status of the center
guide.
11) Press ❺ to conrm the value you
have entered.
12) Press ❻ to display the sewing screen.
If the pneumatic center guide does not function just by setting its ON/OFF status, set the optional in-
put/output of the center guide as described in the next paragraph to enable the function of the pneu-
matic center guide.
– 7 –
❶
4-2. Setting the optional input for the the center guide
Assign the switching function of the center guide to the 6-gang switch.
1) ❶held pressed for three second.
The "mode screen" is displayed.
2) Select "19. Optional I/O setting".
3) Select "1. Optional input setting".
4) Select "INPUT6. Thread clamp switch input".
– 8 –
❶
5) Select "i62. Center guide input".
6) Press ❷ to conrm the selection.
4-3. Setting the optional output for the center guide
1) Select "2. Optional output setting".
2) Select "OUTPUT11. Function is not provided".
3) Select "o25. Center guide".
4) Press ❶ to conrm the selection.
❷
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