rough grind

The initial smoothing operation in which coarse abrasives are used to cut the projecting chips in hardened terrazzo down to a level surface.

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Rough grind the knife until the tracing pin contacts the template.

Set up for side clearance and grind in areas needed, still at the rough grind angle.

HSS rough grind basics

Dave had to prepare several blanks for attendees and he needed a faster way to rough grind the curves.

Rough grinding the easy way: say goodbye to the drudgery of hogging out a curve in your mirror blank

Now I bring it out (heavy beast!) every few weeks to grind another 10 pounds of whole grain flour for the fridge for my baking needs (bread and cookies), and to rough grind wheat for "wheatena" porridge.

These folks are happy with their Retsel grinder

Another four-station indexing rotary automatic with 16"-wide grinding heads rough grinds top and bottom wrench faces at about 1000 pcs/hr.