Wire drawing die: What should be noted during the drawing process of the operator

       

 1. When using the mold, you must be familiar with the drawing process route and distinguish whether the specifications correspond to the process, otherwise it will cause useless work and damage the steel wire and mold.

2. When wearing the full mold, first discharge the mold according to the size and specifications, check whether the surface quality of the copper-plated steel wire is qualified, and report any abnormality in time. When each mold is worn, ensure that the surface of the steel wire is lubricated and ensure sufficient lubrication as much as possible (Perform immersion penetration). Also check whether the dimensional tolerance of each mold meets the process requirements.

3. After the mold is worn, check whether the mold is in a three-point and one-line state during the process, whether the steel wire is hard friction with any part of the equipment, and if it is found to be irregular, it must be adjusted in time, otherwise the surface of the steel wire will be damaged and the expansion of the mold will be serious. The process twists and breaks the wire.

4. Complete inspection,

①Tighten the fastening bolts to prevent the vibration of the machine tool from generating slub wires.

②Check whether the lubricant level meets the lubrication and cooling of the finished mold.

5. When starting, first ensure the low-speed operation of the machine tool to make the surface of the mold fully run-in to enhance the wear resistance of the mold and increase the service life.

6. Changing the mold during the drawing process must meet the following conditions:

①When the wire diameter does not meet the process requirements;

②If there are cracks or severe scratches during the mold drawing process, check the state of the steel wire, three points and one line, lubrication conditions, and the tolerances of the front and back molds do not meet the requirements, resulting in uneven compression rate and severe adhesion on the mold surface, which affects the thermal conductivity of the mold. ;

③The replaced old mold should be inspected and analyzed in order to make full use of it correctly;

④When the process is changed, the mold set is sent to the mold warehouse to be marked, indicating the drawing time and days, and whether the size tolerance of the mold is within the process range, so that the mold warehouse personnel can classify and store it in a short time.