Assignment of Apparel Course

1. Khulna University of
Engineering and Technology
(KUET)
Assignment on
“Comparative study of the sewing
machines of different brands”
Course No-TE 3207
Course Title –Apparel Manufacturing Engineering-ii
Assignment No-01
Submitted to-
Joy Sarkar
Assistant Professor
Department of Textile Engineering
Khulna University of Engineering & Technology (KUET)
Submitted by-
Nazmul Hasan Anan
Roll-1721015
Year-3rd Term-2nd
Date of Submission – March25/ 2021

2. 1. Lock Stitch Sewing Machine:
Specifications JUKI PFAFF BROTHER SINGER SPEEDWAY
Model DDL-8700-7 PFAFF 1245 S-7220C 191D-30 SW0303L-3-
D3-01
No. of Needle 1 1 1 1 1
No. of Thread 2 2 2 2 1
SPM 5000 2800 4000-5000 4000 2000
Stitch Length 4 mm 8mm 4.5mm-5.5mm 0-5mm 0-9mm
Stitch Class 300 301 300 300 300
Lift of Presser
Foot
13 mm
(By knee)
N/A 16 mm
(By knee)
13.0 mm
(By knee)
15mm
Weight of the
Machine Head
30 kg 67 kg 34.5kg 200 Pounds N/A
Place of Origin Japan Jiangsu Japan American N/A
Automation Automatic N/A N/A N/A N/A
Needle DB×1 (#14)
#9~#18
134 (Nm90)
134-35 LR #11#18(Nm75-
110）
DPX5
#11~#14
1–DPX17
Special Addition The new model
control box is
provided with an
energy-saving
mode for the first
time in a control
box for sewing
machines.
Thread
trimmer,
Backtracking
system,
Automatic
presser foot
lift
LED lights on
two sides with
adjustable
brightness,
Easy-to-use
touch panel
with two
different modes
N/A Energy-saving
servomotor is
used in the
direct-drive
way
Applications General fabrics,
light weight and
medium-weight
materials
Heavy weight
fabrics
For medium-
weight
materials
Ideal for
Medium to
Heavy
weight
fabrics
Heavy
Material
Automatic

3. 2. Chain Stitch Machine:
Specifications JUKI PFAFF BROTHER ZOJE ATLAS
Model JUKI MH-481 PFAFF 5626 DA-9280
Double Chain
Stitch Sewing
Machine
ZJ3800-BD/02 AT3830
No. of Needle 2 Up to 10 2 2 3
No. of Thread 1 or more Up to 20 1 4 3
SPM 1800 to 6000 3500 to 5000 4000 5000 5000
Stitch Length 1～4mm 4.5mm 4.2 mm 4 mm 4 mm
Stitch class 100 401 100 400 400
Presser foot 10mm
(By Knee)
N/A 11mm N/A 10 mm
Weight N/A N/A 49kg N/A N/A
Needle TV×7 (#14)
#9～#21
SY4112 N/A 149x7 TVx7
Special
Addition
It comes with
JUKI’s unique
inclined crank
type looper
mechanism.
This gives the
machine
outstanding
durability.
Pneumatically
actuated seam
center guide,
Fully submerged
set-up
N/A Equipped with
energy-saving AC
Servo motor and
control box built-
in into machine
head and
automatic needle
positioning
N/A
Applications Knitted items,
jeans items
etc.
High-quality top-
stitching
operations in
automotive
interior section
Heavy
materials,
Extra heavy
materials
Perfect there,
where elastic and
resistant seam is
required, e.g. in
trousers, working
clothes, linings,
banners.
Plain
seaming

4. 3. Industrial Over Lock Sewing Machine:
Specifications JUKI YAMATO BROTHER SINGER SIRIUS
Model MO-6914S-
BE4-30
CZ6020 1034D Singer 321C-
251M-35
SR747d
No. of Needle 2 2 2 3 3
No. of Thread 4 4 3/4 5 4
SPM 8000 5500 1,300 5500 6500
Stitch Length 0.8-4mm 3.6 2 - 4 mm 3.6mm 2 mm
Thread per Inch 18//
21//
18//
21//
18//
Stitch Class 500 500 500 500 500
Presser Foot 6.5 6 6 6.0 N/A
Weight 250 pounds 34/32kg 13.45 pounds N/A N/A
Needle DCX27#11 DC×27 11#-
14#
DM×13 11#-
14#
N/A B27 #10~16 N/A
Special
Addition
Edge trimming
knife in front of
the needle for
cutting the
fabric
Auto
lubricated and
excellent
performance.
N/A Automatic
lubrication with
oil filter, Cooler
needle, and your
line for high-
speed operation
High speed
Applications For both knitted
& woven but
extensively for
knitted
Suitable for
over locking
and over
edging work
pieces of light
and medium-
weight
materials
This machine is
perfect for
finishing edges
and hems of
most fabric
types and is an
ideal tool for
garment
construction.
For both knitted
& woven but
extensively for
knitted
Sewing
fabrics,
draperies,
lycra,
spandex, and
swimwear.

5. 4. Zigzag Stitching Machine:
Specifications JUKI PFAFF BROTHER SINGER ANYSEW
Model LZ-2280A 918 Z-8550A 20U-125C AS2150
No. of Needle 1 1 1 1 1
No. of Thread 2 2 2 2 2
SPM 5500 5000 5000 2000 4500
Stitch length 5mm 4.5mm 5 mm 5 mm 10 mm
Zigzag Width 8mm 10mm 10mm 12 mm 10 mm
Thread per
Inch
7//
N/A N/A N/A N/A
Stitch Class 300 304 300 300 N/A
Presser Foot 10 mm
(By Knee)
7mm By Knee: 10mm ByKnee:12m
m
N/A
Weight 250 pounds N/A Machine head
44.4 kg
N/A 46 kg
Needle DP x 5 (#14)
#11#18
System: 438
Size: Version A
60 - 70 Nm
Schmetz
134
SUK Nm70/10
Singer Cat.
No. 1910-05
N/A
Special
Addition
N/A Thread trimmer,
Back tacking
system,
Automatic
presser foot lift
Energy-saving
mode
Automatic
presser foot,
back tacking
system.
N/A
Applications Edge
neutering,
decorative
top stitching
to attach
tape, braid
etc.
From silk to
leather. In the
field Lingerie,
corset, bra,
underwear,
Men's Jacket,
Women's
blazers, shoe
lining ... and
much more
Light materials,
Medium
materials
Edge on edge
sewing
Suitable for
sewing thick
materials,
especially
sports and
leather
products,
such as
bags,shoes,
hat,sofa,tents
and so on

6. 5. Flat Lock Sewing Machine:
Specifications JUKI YAMATO GLOBAL SPEEDWAY PEGASUS
Model MF-7524-U11-
D
VG2700-8F FS 603 SW36200-2 FS713P-G0
No. of Needle 4 3 4 4 4
No. of Thread 6 5 6 6 6
SPM 4200 6000 4200 4200 4200
Stitch Length 1.2-3.6 mm 1.4-3.6mm 2.5mm 1.6 ～ 2.5mm N/A
Stitch Class 600 600 600 600 600
Presser Foot 5mm 7mm 5.5mm 0-16mm N/A
Needle UY128GAS
(#10S)
#9S~#12S
UY128GAS 4xFL X 118 GCS,
1xFLG – 8
N/A N/A
Applications The machine
can be used for
the hemming
process of the
sleeves and
bottoms of T-
shirts and for
the covering
process for
sportswear and
knitwear.
For General
Seaming &
Hemming
Edge fabric
trimmer, suitable
for light to
medium work
Double edge
fabric trimmer,
suitable for
light to
medium work
Mainly used
in knitted
garments,
but useable
for both knit
& woven

7. 6. Blind Stitch Machine:
Specifications JUKI YAMATO BROTHER SINGER JACK
Model SL718-2-Servo CM-352 JC-9330 6SS JK-T641-2A
No. of Needle 1 1 1 1 1
No. of Thread 1 1 1 1 1
SPM 2500 3000 3000 2500 2500
Stitch length 8mm 3.2-8.5mm 3.2-8.5mm 3-8mm 7 mm
Thread per Inch 5” 5” 5” 5”
Stitch Class 100 100 100 100 103
Presser Foot N/A 10 10mm N/A 8
Weight 250 pounds N/A 50kg N/A N/A
Needle N/A LWx6T LWx6T LWx6T N/A
Special Addition Optional skip
stitch device
by which after
1 or 2 stitch,
the next stitch
can be visible
in the top side
Skip Stitch
Mechanism
N/A N/A Adapting
blind stitch to
eliminate the
sewing trail
from the
surface, which
makes the
clothes much
neater and
more elegant.
Applications Used for
hemming on
trousers,
dresses, coats,
skirts, curtains,
cuffs, and
drapes
Used for light
to medium
weight fabric
stitching
Thin, Medium,
Heavy
Materials
Suitable for
sewing
hemlines for
pants, shirts,
gloves,
socks, etc.
Widely used
for hemming
cuff, pant,
shirt, glove,
sock, front
and back of
western suit,
etc.

8. 7. Buttonhole Sewing Machine:
Specifications JUKI JACK BROTHER SIRUBA ZOJE
Model LBH-780 JACK JK-
T781D
HE 800C BH780-A ZJ781-BD
No. of Needle 1 1 1 1 1
No. of Thread 1 1 1 1 1
SPM 3600 3600 4000 3600 3600
Length of
Buttonholes
6.4~38.1m
m
6.4-20mm 13mm 30 mm 6.4-25 mm
Stitch Class 300 300 300 300 300
Weight 40kg N/A N/A N/A N/A
Needle DP × 5
#11J,
For JE: 134
Nm75
N/A Schmetz 134
NM90
or
NM75
DPx5 #11
~ #14
SCHMETZ
135x5
or
135x5 SERV7,
Applications Making the
hole before
or after
sewing a
buttonhole.
Sew
buttonholes on
men's and
ladies dress
shirts, blouses,
work wear and
ladies wear
Making the
hole before or
after sewing a
buttonhole.
Making the
hole before
or after
sewing a
buttonhole.
Designed for
sewing light
and medium
materials.

9. 8. Button Attaching Machine:
Specifications JUKI PFAFF BROTHER SINGER JOCKY
Model MB-
1800A/BR10
3307-1/11 BE-438FXII U299 JK818
No. of Needle 1 1 1 1 1
No. of Looper 1 1 1 1 1
No. of Thread 2 2 2 2 2
SPM 1800 2000 2700 650 5000 RPM
Stitch Class 100 101 100 101 101
Weight N/A 6.7 kg 9 kg 5 kg N/A
Needle TQ×7 (#16)
#14～#20
134-35 R N/A N/A N/A
Applications Button
attaching
Automatic
attaching of
buttons on
shirts and
blouses
(Attaching 2, 3
or 4-hole
buttons).
Automatic
attaching of
buttons with a
high cycle rate.
Automatic
attaching of
buttons.
Button
attaching
done by this
machine.

10. 9. Bartack machines:
Specifications JUKI PFAFF BROTHER JACK ZOJE
Model LK-1900BN-
HS
3590VARIO -6/ KE-430D JACK JK-
T19006B
ZJ1900
No. of Needle 1 1 1 1 1
No. of Bobbin 1 1 1 1 1
No. of Thread 2 2 2 2 2
SPM 2000-3000 3000 3200 3000 3000
Stitch Length 0.1-10mm 0.1-10mm 0.05 - 12.7 mm 0.1-10mm 18mm
Stitch Class 300 301 300 300 300
Weight N/A N/A 56 kg N/A N/A
Needle DP×17 (#21) 134-35 KK N/A DP x 5
(135x17) /
Sizes 14 to 22
DP x 5
(135x17)
Applications Used to secure
pocket
corners, belt
loops & in
other places.
Something
also used for
decorative
tacks in
fashion
garments
Tactical vests or
outdoor goods
with a number
of bar tacks to
be sewn
N/A used for
decorative
tacks in
fashion
garments
Use for
medium/heavy
material