1. The tension on the storage pulley is unstable. There may be many places where air pressure is used in the production workshop. This will cause the air pressure of the drawing machine air pump to be large or small, which will also make the tension of the thread storage not constant. The speed of the wire is constant, which makes the pulling force of the wire drawing non-constant value, which can cause the deviation of the monofilament outer diameter to be unable to be accurately controlled.

 

2. The jitter of the copper wire on the annealing wheel, which makes the copper wire annealed in the state of being loose and sometimes tight. The current density of the annealing is sometimes large and sometimes small, while the strength of the copper wire at a higher speed is relatively low. Therefore, it is easy to cause the copper wire to ignite on the annealing wheel, which makes the surface of the copper wire uneven due to the effect of sparks.

 

3. The wear and tear caused by the long-term use of the main motor gearbox can make the drawing speed of the fixed-speed wheel not match the traction speed and the take-up speed, resulting in the thinning of the monofilament.

 

Solution: Provide good lubrication to the wire accumulator to prevent it from causing reverse friction on the wire during high-speed operation and thus make the wire thin; adjust the tension of the wire so that the wire drawing stroke is always close to the annealing wheel; Ensure the integrity of the steel ring of the annealing wheel and avoid the unstable annealing current due to the surface defects of the steel ring.

 

According to the actual situation of the wire drawing machine, adjust the die matching of the wire drawing machine: adjust according to the wire drawing principle, so that the annealing wheel speed / fixed speed wheel speed = front slip coefficient × fixed speed wheel diameter / annealing wheel diameter, of which the fixed speed wheel and the annealing wheel The diameter of the wire drawing machine is known, and the rotation speed of the fixed speed wheel and the annealing wheel can also be measured. From this, the front slip coefficient can be obtained. Based on the slip coefficient, the wire drawing machine can be re-matched so that the matched mold can meet the requirements. .