Origin	China
Model Number	guangda
Brand Name	QYJ-142B/V

QYJ-1428/Vtype large v-angle sharpe and high precision pneumatic draft accessory for ring spinning frame.

Usage: used to generate force for the draft accessory of the ring spinning frame ,suitable for the fibre length less than 60 mm of simple spin and mix spin of cotton and chemical fibre .

Advantage:

1.       the force of the draft is provided by air pump, and divided to front ,middle and back rollers by the lever according to the damands,steady pressure, little spindle difference,no deline by fatigue.

2.       can take group stopless speed regulation , great convenient for debugging,take half-release when the spinning frame shut down.so that  avoid to crush the rollers broken,few broken threads produced when the spinning frame start again.,improve the quality of yarn

3.       when the pressure poroduced by the air pump is fixed value,changing the bolt hole site could change the pressure and ratio of the front ,middle and back rollers.

4.       to lock tightly,the draft adoft the device of four conecting rods, reliable self-lock, conveniet for increase and release pressure.

simple and reliable structure,long lifetime,convenient maintain��/span>