Retention Knob Eliminates V-Flange CNC Milling Problems

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It is common knowledge in the CNC manufacturing community that if you use V-Flange tooling, you use retention knobs–which is the critical interface between the spindle and the toolholder and tool. Often considered nothing more than a bolt, it is actually a precision tool made to strict specifications and tolerances. While some machine tool manufacturers have standardized their requirements, others have defined several different knobs as options. The fact is, V-Flange tooling is flawed and machinists, operators, and owners must be educated about the importance of the retention knob, and the right retention knob to correct the flaws.

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