Revised 09 /2005
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CONTROLS & PROGRAM DESCRIPTION
BT Length – 0.0s
BT head speed - 4
Screen 4.2.d6
Screen 4.2.d6 displays two parameters.
a)
BT Length:
This is the length of back tack. This length is defined in terms of time in
seconds till the DC motor for back tack moves the jig backward from point B to point C,
so BT Length is the distance covered in time (parameter set in Screen 4.2.d6). The other
parameter is
b)
BT head speed:
This is the speed parameter for sewing head motor when the jig moves
from point B to C. There are 7 sewing head speeds and this parameter may be set from
0 to 6. Press key
F1
to enter next Screen 4.2.d7.
Pwd speed
Back Tack
A
B
C
B
C
Side 1
No Stitch
Stitch
‘C’ Type Back Tack
BT Drive Speed – 1
Fwd Head Speed - 3
Screen 4.2.d7
Screen 4.2.d7 displays two parameters.
a)
BT Drive Speed:
This is the speed of DC motor set during back tack operation from
point B to C. There are 2 speeds available for DC motor and this parameter may be set
1 or 2.
b)
Fwd Head Speed:
This is the speed parameter set for the sewing head motor when the jig
is moving from point A to B. This parameter is active in case of “Z type” (Screen 4.2.d26)
back tack only. In case of “C type” back sewing head motor does not operate for jig
movement from point A to B i.e. no stitch.
