Die-sinking electrical discharge machining enabling complex three-dimensional shapes.

Inclined grooves, intermediate stops, and fine shapes can all be achieved in one process with die-sinking electrical discharge machining.

When drawing a blueprint, have you ever found yourself stopping and wondering, "How will I process this diagonal groove?" Grooves that stop midway or fine shapes with a width of around 0.1mm can be challenging cases for wire-cut electrical discharge machining. At Bandai, we collaborate with our processing partner in Dongguan, China, to respond to such design intentions using die-sinking electrical discharge machining. This time, we tackled a high-difficulty shape that includes four diagonal grooves at a 5° angle inside a hole, all in one process using a dedicated electrode. We confirmed the shape accuracy with a three-dimensional measuring machine for all parts, ensuring they are reliable components even with short delivery times. If you ever find yourself wondering, "How will I process this shape?" please feel free to consult us. *This kind of response is just a small part of what Bandai does every day. Please take a look at the value we can provide to our customers.

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