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WEFT SEWING MACHINE CW433-3H (3 head Wefting Machine)
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Training (Tutoring) Class
for
Weft Sewing Machines ( CW430-A&B, CW433-3H,
CW422-2H)
Period : 5 hours/day x 3 days ( or, 4 days for CW433-3H |
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How to start the
wefting Machine |
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How to do good hackling
& brushing of hairs to be wefted |
Most
important skill in wefting ->
The main content of our class -> |
How
to push forward Hairs properly to be wefted in a even (straight) row and
in parallel horizentally by the the 1st sewing head |
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How to position
2 hands in pushing hairs forward through the 1st sewing head |
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How to discriminate
good sewing thread from wrong sewing thread
(The quality of sewing thread has something to do with the quality of wefts. |
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How to assemble
and disassemble the machine |
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How to fix PROBLEMS
in sewing and how to fix MECHANICAL PROBLEMS
when pasrts are replaced, or it stops running |
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How to change sewing
threads |
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How to change thickness
of weft thinner or thinner |
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How and where to
put sewing oils in |
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How to clean bobbin
cases |
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How to trim needles
suitable for good sewing |
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How to adjust tension
of springs for proper tension of threads |
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How to do treading
the bobbin cases with proper tension |
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How to change tensions
of threads coming from bobbins |
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How to adjust tension
of belts |
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How to adjust the
hook timing when needles are changed |
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Other
many extra techniques need for producing fine wefts |
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Copyright© since 1998 by JohnKorea® All rights reserved.
JOHN
KOREA CO.
5 F., EUNHYE B/D, 930-39,
BONG-CHEON 8-DONG, GWANAK-GU,
SEOUL, 08784, KOREA
WhatsApp & Cell (Mr. John Yim) : +82-10-8686-1313 
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weft sewing machine, crimping machine, braiding machine,
ultrasonic welding machine for nylon bases and caps of wigs and
hairpieces, for men and ladies,keratin glue stcik for human hair extension
