Specifications; Machine Head Specifications - JUKI MOL-254N Instruction Manual

I. SPECIFICATIONS

1. Machine head specifications

1 Max. sewing speed
2 Hook
3 Bobbin
4 Thread take-up
5 Needle
Range of thread specifica-
6
tion
7 Number of stitches
Replacement of number of
8
stitches
Number of bartacking pat-
9
terns stored in memory
10 Needle bar stroke
11 Stitch adjustment method
12 Bartacking width
13 Bartacking length
14 Needle entry
15 Thread trimming method
16 Lift of cloth presser foot
17 Cloth feed method
Sewing machine drive
18
method
Thread presser drive
19
method
20 Cloth presser drive method
21 Wiper drive method
Sewing machine lubrica-
22
tion method
23 Lubricating oil
Center distance of needle
24
adjustment method
Length of center distance
25
of bartacking
26 Loop width
27 Allowance of loop folding
28 Allowance of loop presser
29 Loop cut method
2,500sti/min (sewing pitch : 3.4 mm or less)
Horizontal semi-rotary hook (oil wick lubrication)
1.8 fold hook
Link-type thread take-up lever
DP×17 #19 to #21
For domestic : DP×17 #19
For export : DP×17 #21
Cotton thread #30 to #50, spun thread #30 to #50
Panel selection method from among 28 stitches, 36 stitches and 42 stitches
( 28 stitches at the time of delivery)
(Max. 64 stitches when external ROM is used.)
Panel selection method
Standard number of patterns : 9 patterns
(Max. 99 patterns when external ROM is used.)
45.7 mm
Panel input method
1.0mm to 3.0 mm (2.3 mm at the time of delivery)
7.0mm to 22.0 mm (10.0 mm at the time of delivery)
28 stitches
28
1
By the thread trimmer cam - Knife type
(Near side: Driven by an air cylinder Far side: Driven by a solenoid valve)
24mm (from top surface of cloth presser lower plate to bottom surface of cloth
presser)
Intermittent feed (2-shaft drive by stepping motor)
DD ・ AC servomotor (550W) mounted onto machine head
Air cylinder drive
Air cylinder drive
Air cylinder drive
Manual oiling (centralized oil-wick lubrication)
New Defrix Oil No. 2
Needle portion : manual moving method
Hook portion : stepping motor drive moving method (in 0.01 mm steps)
43.0mm to 70.0mm
(57.15mm (2 and 1/4") at the time of delivery)
9mm to 20mm (12mm at the time of delivery)
8mm to 11mm (excluding cross cut section)
3mm to 4mm
Selection of cross cut and straight cut (Cross cut at the time of delivery)
– 1 –
36 stitches
36
1
42 stitches
42
1