How to Reduce CNC Machining Costs(3)

- Mar 26, 2018 -

A more budget-friendly approach is machining a relief in each corner of the pocket. This removes that pesky radius, leaving a U- or C-shaped clearance instead (see illustration). It also allows for far deeper pockets—by cutting a 0.25 in. (6.35mm) wide relief in each corner, functionally sharp corners to around 1-1/4 in. (32mm) in depth are possible. And by switching to aluminum or even plastic, pocket depths twice that of steel are possible. Best of all, designing pockets in this manner reduces part cost, since larger end mills can be used and material removal rates increased accordingly.

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