Juki MF-7500D Handleiding
Juki
Naaimachine
MF-7500D
Lees hieronder de 📖 handleiding in het Nederlandse voor Juki MF-7500D (29 pagina's) in de categorie Naaimachine. Deze handleiding was nuttig voor 35 personen en werd door 2 gebruikers gemiddeld met 4.5 sterren beoordeeld
Pagina 1/29
INSTRUCTION MANUAL
MF-7500(D)/UT37
i
CONTENTS
I. SPECIFICATIONS 1 .............................................................................................................
II. AT THE BEGINNING 1 ........................................................................................................
III. INSTALLING THE ACCESSORIES 2 ................................................................................
1. Installing the presser lifting cylinder 2 .....................................................................................
2. Installing the air regulator 2 .......................................................................................................
3. Installation and setting SC-921 3 ...............................................................................................
(1) Installing the SC-921 on the table ( Semi-submerged type ) 3 ..............................................
(2) Connecting the cords 4 ............................................................................................................
(3) Setting procedure of the machine head 5 ...............................................................................
(4) Setting the lower stop position of the needle bar 6 ...............................................................
IV. AIR PIPING DRAWING 7 ...................................................................................................
1. Piping of the thread trimmer device 7 .......................................................................................
2. Adjusting the air regulator 8 ......................................................................................................
V. THREADING THE MACHINE HEAD 9 ...............................................................................
VI. ADJUSTING THE LOOPER THREAD TRIMMER MECHANISM 10 ................................
1. Adjusting the thread trimmer air cylinder 10 ...........................................................................
2. Adjusting the Lower knife ..................................................................................................... 11
3. Adjusting the position of clamp pressure adjusting spring .............................................. 11
4. Adjusting the knife engagement and the knife pressure adjusting spring ...................... 11
5. Adjusting the pressure of clamp spring .............................................................................. 11
6. Initial position of the looper thread trimmer mechanism 12 ...................................................
7. Adjusting the stopper 12 ............................................................................................................
8. Adjusting the height of the lower knife 12 ................................................................................
9. Adjusting the longitudinal position of the blade point of lower knife .............................. 13
10. Adjusting the thread trimmer sensor 13 ...................................................................................
11. Adjusting the speed of looper thread trimmer 13 ....................................................................
VII. ADJUSTING THE THREAD RELEASE MECHANISM 14 ...............................................
1. Adjusting the disk-rise 14 ..........................................................................................................
2. Adjusting the thread release hook 14 .......................................................................................
VIII.
ADJUSTING THE TOP COVERING THREAD TRIMMER MECHANISM 15 .............................
1. Adjusting the engagement of knives 15 ...................................................................................
2. Adjusting the pressure of clamp spring 15 ..............................................................................
3. Adjusting the position of the blade point of moving knife 15 ................................................
4. Adjusting the speed of moving knife 16 ...................................................................................
IX. ADJUSTING THE AIR-BLOW WIPER (ACCESSORIES) 17 ............................................
1. Installing the air-blow wiper 17 ..................................................................................................
2. Adjusting the air-blow wiper 17 .................................................................................................
X. MAINTENANCE 18 .............................................................................................................
1. Cleaning the motor fan 18 ..........................................................................................................
– 1 –
❶
I. SPECIFICATIONS
Model name High-speed, at-bed coverstitch machine
Semi-dry head, high-speed, at-bed coverstitch machine
Model MF-7500 series MF-7500D series
Stitch type ISO standard 406, 407, 602, and 605
Example of applica-
tion
Hemming and covering for knits and general knitted fabrics
Sewing speed Max. 6,500 sti/min (at the time of intermittent operation)
V-belt type
Max. 6,000 sti/min (at the time of intermittent operation)
Direct-drive type
Speed of stitch at the delivery:
4,500 sti/min (at the time of intermittent operation)
Max. 5,000 sti/min (at the time of intermittent operation)
V-belt type
Max. 5,000 sti/min (at the time of intermittent operation)
Direct-drive type
Speed of stitch at the delivery:
4,000 sti/min (at the time of intermittent operation)
Needle gauge 3-needle ..... 4.8 mm, 5.6 mm, and 6.4 mm
2-needle 3.2 mm and 4.0 mm .....
Dierential feed ratio 1 : 0.7 to 1 : 2 (stitch length : less than 2.5 mm)
Micro-dierential feed adjustment mechanism is provided. (Micro-adjustment)
Stitch length
1.2 mm to 3.6 mm (can be adjusted up to 4.4 mm)
Needle UY128GAS #9S to #14S (standard #10S) UY128GAS #9S to #12S (standard #10S)
Needle bar stroke 31 mm (33 mm when the eccentric pin is changed over)
Dimensions (Height) 451 x (Width) 523 x (Length) 279
Weight 49 kg (With pneumatic type thread trimmer) , 46 kg
Lift of presser foot 8 mm (needle gauge : 5.6 mm without top covering), and 5 mm (with top covering)
Micro-lifter mechanism is provided.
Feed adjustment
method
Main feed ............... dial type stitch pitch adjustment method
Dierential feed lever adjustment method (micro-adjustment mechanism is provided.) .....
Looper mechanism Spherical rod drive method
Lubricating system Forced lubrication method by gear pump
Lubricating oil JUKI GENUINE OIL 18
Oil reservoir capacity Oil gauge lower line : 600 cc to upper line : 900 cc
Installation Semi-submerged type
Noise -- Equivalent continuous emission sound pressure lev
el (LpA) at the workstation :
A-weighted value of 76.5 dB; (Includes K
pA = 2.5
dB); according to ISO 10821- C.6.2 -ISO 11204
GR2 at 4,500 sti/min.
- Equivalent continuous emission sound pressure lev-
el (LpA) at the workstation :
A-weighted value of 74.0 dB; (Includes K
pA = 2.5
dB); according to ISO 10821- C.6.2 -ISO 11204
GR2 at 4,000 sti/min.
Remove xed band ❶ for transportation before setting
up the sewing machine.
II. AT THE BEGINNING
Product specificaties
| Merk: | Juki |
| Categorie: | Naaimachine |
| Model: | MF-7500D |
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