DME University

Learn About Boring In The Steel Milling Process

Boring Steel

Boring is the process of machining a round hole by means of rotating the work and feeding a hardened tool bit into the hole. Alternatively, the work can also be stationary and the tool rotated and feed into the part. Normally the hole is rough drilled first for fast metal removal and then bored. Boring produces a round, straight, close tolerance hole with a good surface finish and accurate hole location. A typical application would be boring mold base plates to accept leader pins and bushings. Shown here is boring done on a tool room style lathe



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