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by theelous3 1775 days ago
The slightly nicer ones have scraped mating surfaces. The very cheap ones will at a minimum be surface ground very well, and have some oil scrapes.

> You can make accurate parts on an 'inaccurate' conventional machine.

To a point, sure. At some stage, it doesn't matter how much of an old timer you are and how much knowledge of your machines' limitations you have - you just need to make a part the machine cannot.

You can basically always rescrape a machine, give it new gibs, and be back to 100%.