Intermediate wire drawing is a metalworking process that involves reducing the diameter of a wire by pulling it through a series of dies. This process is used to improve the mechanical properties of the wire, such as tensile strength and surface finish.

Here are the general steps involved in intermediate wire drawing:

1. Wire Preparation: The starting material, usually a coil or spool of wire, is inspected for defects and cleaned if necessary. It may also be annealed to soften the material before drawing.

2. Lubrication: To reduce friction and prevent damage to the wire, a lubricant is applied to the surface. This lubricant also helps in heat dissipation during the drawing process.

3. Drawing Machine Setup: The wire is fed into a drawing machine, which consists of a series of dies arranged in order of decreasing diameter. The machine is set up to ensure proper alignment and tension of the wire.

4. Drawing Process: The wire is pulled through each die, reducing its diameter gradually. As the wire passes through each die, it elongates and work hardens, resulting in increased tensile strength. The lubricant helps in reducing friction and controlling the heat generated during drawing.

5. Intermediate Annealing: Depending on the material and the desired properties, the wire may undergo intermediate annealing during the drawing process. This involves heating the wire to a specific temperature and then slowly cooling it to relieve internal stresses and restore ductility.

6. Final Drawing Passes: After several intermediate drawing passes, the wire reaches its desired diameter. The final drawing passes are done to achieve the required surface finish and dimensional accuracy.

7. Cutting and Coiling: Once the wire has been drawn to its final size, it is cut into desired lengths and coiled for storage or further processing.

Intermediate wire drawing is commonly used in various industries, including automotive, aerospace, electronics, and construction. It allows manufacturers to produce wires with precise dimensions and improved mechanical properties for a wide range of applications.