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Trepanning
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4:07
YouTube
UNISIG Deep Hole Drilling Systems
UNISIG B-Series Trepanning Machine - Deep Hole Drilling Systems
UNISIG B-Series machine trepanning process performed on a round work piece. Trepanning is a machining process alternative to solid drilling where only the outer part of the hole is machined, leaving behind a solid core. One of the benefits of trepanning is that it reduces the energy required by allowing a larger diameter hole to be drilled ...
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