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Precise control measures for outer diameter deviation of copper wire drawing machine

Oct 29, 2020

The quality of copper single wire production is very important. In fact, the wire drawing quality and efficiency of copper single wire directly affect the production process of the subsequent process, and it also plays a decisive role in the quality of the cable. In the process of operating the copper wire drawing machine, the problem of outer diameter deviation may occur. This is due to the uninterrupted production of the copper wire drawing machine, and the drawing speed will gradually not synchronize with the annealing.

Therefore, during the operation of the copper wire drawing machine equipment, intermittent and irregular segments may appear due to the influence of these factors. For example, due to the unstable tension on the wire storage wheel, there may be more places where air pressure is used in the production workshop, which will cause the air pressure of the drawing equipment air pump to be large and small, which makes the tension of the wire storage device not constant. The speed is constant, which makes the pulling force of the wire drawing non-constant value, which can cause the deviation of the single wire outer diameter to be unable to be accurately controlled.

If the copper wire is jittered on the annealing wheel during the operation of the copper wire drawing machine equipment, this will cause the copper wire to be annealed in a state of being loose and tight. The current density of annealing is sometimes large and sometimes small, while the copper wire is high The strength at speed is relatively low, so it is easy to cause the copper wire to ignite on the annealing wheel, and the surface of the copper wire is uneven due to the effect of sparks.

In addition, in the long-term work process, due to the long-term use of the main motor gearbox of the copper wire drawing machine, the wear problem caused by the long-term use of the copper wire drawing machine will cause the fixed-speed wheel speed of the wire drawing to be incompatible with the traction speed and the take-up speed Match, thereby forming the attenuation of the monofilament.

For the above-mentioned problems, the measures we can take are: lubricate the thread accumulator well to avoid the reverse friction on the thread during high-speed operation and make the thread thin; adjust the tension of the thread so that The wire drawing stroke of the copper wire drawing machine is always close to the annealing wheel; to ensure the integrity of the annealing wheel steel ring, to avoid the unstable annealing current due to the surface defects of the steel ring.