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Can wire EDM make holes?

March 15, 2024 view: 425

Yes, it can be used for drilling, typically employed for processing tiny holes. It is applied in drilling holes in tool steel, high-speed steel, and carbide. Our company uses oil […]

Yes, it can be used for drilling, typically employed for processing tiny holes. It is applied in drilling holes in tool steel, high-speed steel, and carbide. Our company uses oil wire cutting to process holes of 0.06mm in materials with a thickness of 0.6mm. Several factors need to be considered, such as hole diameter size, material hardness, and electrode selection.

Overview of Wire Cutting Technology

Wire cutting technology uses a thin metal wire (electrode) as a cutting tool, generating electric sparks between the workpiece and the electrode to cut materials. This method is particularly suited for processing materials with high hardness, high density, and good thermal resistance, such as carbide, steel, copper, and aluminum.

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Hole Diameter and Material Hardness

The application of wire cutting technology in drilling is influenced by the size of the hole diameter and the hardness of the material. For smaller hole diameters, wire cutting exhibits higher precision and advantages. However, for larger hole diameters, the overall structure of the cutting equipment needs to be considered. When processing materials of higher hardness, a harder electrode must be selected.

hole parts

Advantages and Limitations of Wire Cutting Drilling

Advantages

  1. High Precision and Quality: Wire cutting drilling can achieve high precision in hole machining, with tolerances up to 0.001mm, improving processing efficiency and the accuracy of material cutting.
  2. Wide Range of Applications: Suitable for a variety of materials with high hardness and density, meeting the precision processing needs of different industries.

Limitations

  1. Depth Limitations: The drilling depth may be limited by technological constraints.
  2. Cost Issues: The expense of equipment and labor costs can be high, potentially affecting the overall processing cost.

Handling Special Cases

For workpieces without pre-set threading holes, wire cutting may face challenges in direct processing. In such cases, electrical discharge drilling machines or laser drilling machines can be used for pretreatment, laying the groundwork for wire cutting.

In summary, electrical discharge machining (EDM) wire cutting can indeed be used for make holes, especially suitable for precision processing of specific materials and requirements. Before deciding whether to use wire cutting for make holes, a comprehensive consideration based on processing needs and material characteristics is necessary.