– 23 –
(2) Thread heat cutter unit flow chart 2 for LK
Bobbin thread
replacement starts
Bobbin thread
replacement
signal = ON
Sewing machine
stops at standby
position
END
YES
NO
NO
YES
NO
YES
NO
YES
NO
YES
Thread trimming
process starts
* After a
lapse of
T1
* After a
lapse of
T2
* After a
lapse of
T3
END
NO
YES
NO
YES
NO
YES
YES
NO
* After a
lapse of
T4
Tension disk Opens
Wiper
ON
Tension
releaser
OFF
Upper heat wire
extrusion end
ON
Tension releaser ON
Sensor
head
Escapes
Sensor
head
Retracts
Bobbin
case
positioning
finger
Extrudes
Bobbin
case
positioning
finger
Retracts
Wiper OFF
Lower heat wire
extrusion end
ON
RESET switch
ON
Bobbin case positioning
finger extrusion end
ON
Bobbin case holder
positioning finger
retraction end
ON
Lower heat wire
retracted end
ON
Upper heat wire
retracted end
ON
Tension
disk
Closes
Upper heat
wire
Extrudes
Lower heat
wire
Extrudes
Upper heat
wire
Retracts
Lower heat
wire
Retracts
Содержание LK-1942ZA5050
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Страница 34: ... 24 IX ユニット品番 部品名 品番 備考 上熱線装置 40121875 下熱線装置 40121876 ボビンケース装着検知装置 40121877 ...
Страница 35: ... 25 部品名 品番 備考 糸たぐり装置 40121878 下糸無し検知装置 40121880 40122405 制御装置 40122659 目飛び検知装置 ...
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Страница 252: ... 24 IX 组件货号 零件名称 货号 备考 上热线装置 40121875 下热线装置 40121876 梭壳安装检测装置 40121877 ...
Страница 253: ... 25 零件名称 货号 备考 拉线装置 40121878 无底线检测装置 40121880 40122405 控制装置 40122659 跳针检测装置 ...