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Why relief features are critical when broaching blind keyways At first glance, a blind keyway and a through keyway may appear to differ only in how far the slot extends through the part. From a CNC broaching standpoint, however, the difference is much more significant. A through keyway allows the
Category: Blind Keyways
Can You Broach a Keyway in a Blind Hole?
What makes it possible and what to watch out for Blind holes have always been one of the biggest challenges when it comes to internal keyways. Traditional broaching methods rely on pull-through tools, which require clearance beyond the feature. If the bore stops short, those methods simply do not work.
CNC Broaching Blind Keyways
Blind keyways are keyways machined inside a bore that does not pass completely through the part. Because the tool cannot exit out the back of the hole, blind keyways require proper planning, relief, and programming to avoid insert damage and to produce a clean, consistent slot. CNC broaching makes it