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Joe AutoDrill[_2_] Joe AutoDrill[_2_] is offline
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Default Controlling Thermal Growth

Let me add that one of the greatest challenges is keeping the guide rods
from binding up in situations such as I've mentioned above. I may sell
a 36" wide head with 1" guide rods at the ends... When the head grows a
few thousandths of an inch, the guide rods bind. Roller ball bushings
help, but still disintegrate quickly under such loads.

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Joe Agro, Jr.
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