Ryan may have discovered the way to go (without handing over in excess of a grand). I have had the Grizzly five or six months. My major complaint is the lack of variable speed. Most of the other problems I have been able to solve with a little inguinuity.
Loose the bushings. They are useless. I also removed the graphite. My platen did not come flat. After some bending and sanding on my sanding block it works fine. Check the archives as much has been said about this grinder.
BTW, I just visited a maker who used an 'inferior' grinder for many years. His knives were bringing thousands of dollars each. It shows that you do not need the greatest machine to do the best work. It does, however, make it easier.
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But when the law, by means of its necessary agent, force, imposes upon men a regulation of labor, a method or a subject of education, a religious faith or creed---then the law is no longer negative; it acts positively upon the people. It substitutes the will of the legislator for their own wills; the initiative of the legislator for their own initiatives. When this happens, the people no longer need to discuss, to compare, to plan ahead; the law does all this for them. Intelligence becomes a useless prop for the people; they cease to be men; they lose their personality, their liberty, their property. -Frederick Bastiat