How to Make a Spindle Lock for the Grizzy G0704 Mill: Part 1- Design and CNC Milling

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Today we’re starting on a spindle lock for the G0704 mill. I’d like to eventually do some vertical broaching in the mill, but the Grizzly G0704 has no provision for locking the spindle, so there’s no way to keep the broach from turning.

We’ll look at the design for a two-clamp spindle lock, and then CNC mill the clamps out of blocks of aluminum.

Here are some of the tools used in this video:

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