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LET OFF DEVICE
By means for the cooperation of the feel roller and steppless variable
speed mechanism to keep the stable warp tension, thus prevent the
stop mark. The standard let off device offers total warp tension up
to 350 kg, and up to 600kg by optional device.
Optional
Device:
1.
Electric let off device
It is adopted with electronic let off device. The warp
tension can be kept duly, so it can weave a high quality cloth.
Before starting the machine, it should set up in advance the numbers
of feeding weft clockwise and counterclockwise in order to correct
the outlet position. It is applicable to set up the numbers of
feeding weft and numbers of length of weft in advance according to
the stop time of machine in order to loosen the tension of warp, and
not to cause the yarn to extend too much due to the stop time of
machine. The tension will be restored automatically when the
machine is re-started, so it will prevent the stop mark.
2.
Mechanical suction blower
Adopt mechanical suction type blower can reduce power consumption and
increase durability compare with the traditional blower.
3.
Let off heavy back roller device |