Specifications - JUKI MOL-254 Engineer's Manual

1. SPECIFICATIONS

1) Max. sewing speed
2) Hook
3) Bobbin
4) Thread take-up
5) Needle
6) Range of thread specification
7) Number of stitches
8) Replacement of number of stitches
9) Number of bartacking patterns stored in memory : Standard number of patterns : 9 patterns
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
18) Sewing machine drive method
19) Thread presser drive method
20) Cloth presser drive method
21) Wiper drive method
22) Sewing machine lubrication method
23) Lubricating oil
24) Center distance of needle adjustment method
25) Length of center distance of bartacking
26) Loop width
27) Allowance of loop folding
28) Allowance of loop presser
: 2,500 rpm (sewing pitch : 3.4 mm or less)
: Horizontal semi-rotary hook (oil wick lubrication)
: 1.8 fold hook
: Link thread take-up
: DPx17 #19 to #21
For domestic : DPx17 #19
For export
: 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
(Max. 99 patterns when external ROM is used.)
: 45.7 mm
: Panel input method
: 1.0 mm to 3.0 mm (2.3 mm at the time of delivery)
: 7.0 mm to 22.0 mm (10.0 mm at the time of
delivery)
28 stitches
28 36
1 1
: Knife method (Hook on this side : Air cylinder drive
method)
Knife method (Hook on rear side : Electromagnetic
valve solenoid drive method)
: 21 mm (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 (450W) 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)
: 40. 0 mm to 70.0 mm
(57.15 mm (2 and 1/4") at the time of delivery)
: 9 mm to 20 mm (12 mm at the time of delivery)
: 11 mm (excluding cross cut section)
: 4 mm
1
− −
: DPx17 #21
36 stitches 42 stitches
42
1