JUKI DDL-5530N Handbook page 165

Single-thread, Chainstitch Blindstitcher
CB-638
Single-thread, Chainstitch Blindstitcher with Skip-stitch Device
CB-640
CB-641
(with universal throat plate)
CB-643
(with book-seaming folder)
Single-thread, Differential Top-feed Chainstitch Blindstitcher
with Skip-stitch Device
CB-671
FEATURES
Model
CB-638 One-piece-sole presser foot gives proper fullness to rolled lapels and collars.
Short arm presser foot ensures fine finish especially when working on
CB-640
light-weight garments.
Universal throat plate enables a single machine to blindstitch various
CB-641
materials independent of weight.
This machine is for book-seaming edges of curtains and piece goods etc.
CB-643 It is fitted to turn up the edge automatically and eliminates the need for
piping.
The latest model capable of blindstitching the circular edges by its unique
CB-671 differential-feed system, even partially with pedal operation.
Saves operator training time and increases your production rate.
SPECIFICATIONS
Model name
Stitch type
Max. sewing speed
Stitch length
Feed system
Differential-feed ratio
Skip stitch
Max. lift of the presser foot
Needle
(at the time of delivery)
Thread
Penetration width
Penetration depth
Lubrication
Lubricating oil
Weight of the machine head
Feature
CB-638 CB-640
Single-thread chainstitch/Blindstitch (stitch type 103)
Non-skip (1:1)
stitch only
LW 6T (#14) #11, #16
JUKI New Defrix Oil No.1 (equivalent to ISO VG7)
25kg
For padding rolled lapels and collars of coats and jackets.
For hemming the bottoms of ladies' and children's
dresses, skirts, slacks etc.
For general blindstitching on blouses, foundation
garments, shirts, slacks cardigans etc.
CB-640: For light- and medium-weight materials
CB-641: For light- , medium- and heavy-weight materials
For hemming light- and medium-weight flare skirt.
For curtains and piece goods.
For hemming light- and medium-weight flare skirt
bottoms, round tablecloths and other circularedge
workpieces.
CB-641
2,500rpm
3 8mm
Top-feed
Skip (2:1) stitch and Non-skip (1:1) stitch
By knee: 9mm
43: 45CC (Nm90) Nm75, Nm100
#100 #50, B33, Nm=120/3
3 mm (fixed)
Max. 0.8 mm
By an oiler
27kg
CB-641
Applications
CB-643 CB-671
Differential top-feed
Max. 1:1.5
(main feed: sub feed)
CB-638, 640, 641, 643, 671 (June, 2001) 1/2
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