Supporting slotting cutters

Supporting slotting cutters

Thin slotting cutters sometimes walk during operation, especially when they stick out a considerable amount from the arbors that hold them. To eliminate this deflection, I use special arbor collars and cutter supports.

Thin slotting cutters sometimes walk during operation, especially when they stick out a considerable amount from the arbors that hold them. To eliminate this deflection, I use special arbor collars and cutter supports.

My arbor collars are threaded and slightly larger than conventional ones. The two threaded cutter supports thread onto the arbor collars and tighten against the cutter.

After the first pass, I back off the cutter supports, allowing them to sit on the arbor, which has a few turns of tape on each side to protect it and the threaded supports. For the start of the next piece, the support collars go back against the cutter.

Henry Gifford
Jamaica, N.Y.

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Thin slotting cutters sometimes walk during operation, especially when they stick out a considerable amount from the arbors that hold them. To eliminate this deflection, I use special arbor collars and cutter supports.

My arbor collars are threaded and slightly larger than conventional ones. The two threaded cutter supports thread onto the arbor collars and tighten against the cutter.

Select the best Practical Idea in this issue by circling the associated number on the reader service card. Winners receive an award of $100. An honorarium is paid for each item published in this column. Submitted ideas are subject to editing, and sketches will be drawn to conform to AM's style and format. Submission of clear, close-up photos is encouraged.

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Winner for Dec. 2003: Richard Lemaux, "Pinning down a workholding problem," p. 62.

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