– 3 –
Name
Function
❶
Main body of device
It is mounted under the sewing machine bed and is the mechanical
section of the device which carries out replacement of the bobbin,
removal of thread remaining on the bobbin, winding of thread on a
bobbin, threading, thread trimming and thread unraveling automatical-
ly.
❷
Angle section
It connects the main body of the AW device to the sewing machine
bed.
❸
Carrier arm
It is the mechanism for carrying a bobbin case to the hook, bobbin
setting section, remaining thread removal section and bobbin winding
section.
❹
Bobbin setting section
It serves as an intermediary place used in the case of putting/removing
a bobbin on/from the device.
❺
Remaining thread removal
section
It is the mechanism for removing the thread remaining on the bobbin
taken out from the hook. It consists of the remaining thread removal
roller, suction vacuum, etc.
❻
Thread unraveling section It is the mechanism for unraveling the tip of thread to be wound on a
bobbin at the beginning of bobbin winding. It consists of the bobbin
unraveling roller, etc.
❼
Nozzle
Thread from the bobbin thread cone comes from the tip of the noz-
zle by way of the thread path. The thread coming out of the nozzle is
wound on a bobbin.
❽
Bobbin thread winding
section
It is the mechanism for winding thread on a new bobbin, threading the
bobbin case and trimming the thread. It consists of the clutch plate,
threader, thread trimming knife, etc.
❾
Thread feeding unit
It is used to feed the thread bit by bit from the tip of the nozzle and
accurately measure the length of thread wound on a bobbin during
bobbin winding.
Electrical control box of
the device
It is the box which contains the PCB for controlling the operation of
the device. This electrical control box is different from the one for the
sewing machine.
Device operation lamp
It indicates that the device is in operation.
Dust bag
It is the place to store the remaining thread removed from the bobbin.
Cover
It is used to prevent the operator from coming in contact with the mov-
ing part of the device.
Remaining thread detec-
tion section (optional)
It controls the amount of thread which remains on the bobbin with its
micro-laser distance measurement sensor.
