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Type: Posts; User: ballen

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  1. Hi Stephen, I think all grinding spindles...

    Hi Stephen,



    I think all grinding spindles have some sort of biased preload, to allow thermal expansion. It's no different on my J&S 540, if I shove the spindle hard from the rear, it moves...
  2. Hi Stephen, Thanks for your post. Yes,...

    Hi Stephen,



    Thanks for your post. Yes, one of the reasons I like this is because I don't need to dress as often. The roughing corner 'self-dresses' by breaking down, which preserves the rest...
  3. That didn't occur to me. I've used peening on...

    That didn't occur to me. I've used peening on sheet metal. Would it work on 10mm thick unhardened O2 / 1.2842 / 90MnCrV8?
  4. The move across wheel width and downfeed might...

    The move across wheel width and downfeed might have been faster, I didn't think of that here. Let's see:

    At two microns per downfeed and 350 microns off I need 175 downfeeds. At 12 traverses per...
  5. Surface grinding technique: roughing corner/finishing corner

    A few years ago, when I got my first surface grinder, Buck suggested a technique that I now use a lot.

    Case in point: I cut a 50 x 400mm strip of 1.2842 (90MnCrV8 or AISI O2 tool steel) from a 10...
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