“How to Use Cones for Boring Bar Alignment” Hello everyone! Today we’ll show you how to use cones when aligning the boring bar before line boring. If the bore is not heavily worn — up to about 2 mm, or as in our case, only slightly worn, you can use alignment cones to position the boring bar on the axis before repair. Some technicians use cones even in more severe cases — that’s a personal choice — but we usually prefer centering kits, which we’ll show in our next video. So, let’s begin. First,

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