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Home / Experts / Jack Kerlin

Jack Kerlin

Jack Kerlin is applications engineer for BIG KAISER, jack.kerlin@us.bigkaiser.com, www.us.bigkaiser.com

Articles by Jack Kerlin

How to Avoid Bending Moment

BIG KAISER’s Smart Damper

Equal cutting forces affect the spindle in different ways with different tools. Unless/until machine tool builders or tool simulation software integrate bending moment limits, it’s up to you to use your best judgment. BIG KAISER’s Jack Kerlin explains in the second installation of a two-part series.

Force Multiplier: How Dual Contact Improves Tool Rigidity

A conventional toolholder is supported only by the connection between toolholder taper and spindle taper. Adding a second connection – between the spindle face and toolholder’s larger-diameter flange face – resists deflection up to 40% in long toolholders.

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