Drawing process of water tank wire drawing machine

The water tank wire drawing machine can reduce wire breakage during the drawing process through the following methods:

1. Optimize mold related factors

Mold quality and precision: It is very important to use high-quality and high-precision molds. The inner hole size accuracy and surface finish of the mold directly affect the force of the wire. High-quality molds have high inner hole roundness and small hole diameter tolerance, which can make the wire deform evenly during the drawing process. For example, molds manufactured by precision processes such as electrospark machining can reduce the problem of wire breakage caused by uneven local force due to defects in the mold itself.

Die selection and matching: Choose the right die according to the material and target diameter of the wire. Different wires require dies of different materials and shapes. For example, for metal wires with higher hardness, a die material with higher hardness and better wear resistance should be selected; at the same time, ensure that the die aperture matches the drawing ratio of the wire to avoid wire breakage due to excessive drawing force.

2. Precise control of wire drawing parameters

Tension control: Stable tension is the key to reducing wire breakage. The water tank wire drawing machine monitors the wire tension in real time through the tension sensor and feeds the signal back to the control system. The control system adjusts the wire drawing speed or winding speed according to the feedback information to keep the tension within the appropriate range. If the tension is too high, the wire is easy to break, while if the tension is too low, the wire may slide unevenly in the mold, resulting in stress concentration and breakage.

Wire drawing speed control: Set the wire drawing speed reasonably. Wires of different materials and diameters have their appropriate wire drawing speed range. For example, when drawing thinner or harder wires, the wire drawing speed should be appropriately reduced to prevent wire breakage caused by excessive drawing force due to excessive speed. At the same time, the wire drawing speed should be kept stable to avoid sudden changes in wire force caused by speed fluctuations.

3. Ensure good lubrication and cooling

Lubrication effect: In the Water Tank Wire Drawing Machine, good lubrication can effectively reduce the friction between the wire and the die. Use a suitable lubricant and ensure that the lubricant is evenly distributed between the wire and the die through a reasonable lubrication system. This not only reduces the drawing force, but also prevents the wire from breaking due to frictional overheating and reduced strength.

Cooling effect: The coolant in the water tank can take away the heat generated during the wire drawing process. The stable cooling effect can prevent the wire from becoming soft and losing strength due to excessive temperature, thereby reducing the phenomenon of wire breakage. It is necessary to ensure that the quality and temperature of the coolant are appropriate, and the coolant circulation system operates normally.

4. Ensure wire quality and pretreatment

Raw material quality: High-quality raw materials are the foundation. The wire blank should be free of internal defects, have few impurities, and have a uniform material quality. For example, if the blank has internal cracks or inclusions, it is easy to break at these weak points during the drawing process.

Pretreatment process: The wire blank is properly pretreated, such as annealing. Annealing can reduce the hardness of the material, eliminate internal stress, make the wire easier to deform during the drawing process, and reduce the possibility of wire breakage.

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