He had jobs that took 20 minutes on the Tormach, but only 3 on the Haas.ĭid the same sort of checks though the Tormach is a square column mill, so no quill to check. Answer to my question was he used the Tormach in a side business ( but instead of running his parts on the Tormach, had worked out a deal with his boss (he is a machinist) to run his stuff on a Haas CNC at work. I knew nothing about the CNC, so let the owner plug in a few routines to run it through its paces. Verified that boring and the kick-out worked. Ran the mil through its speed range for wobble/noise. Checked the spindle/quill for looseness at the bottom of the 5" travel. I put a 10th indicator on the spindle and checked backlash relative to the table X/Y hand wheel micrometer dials at various points in the table travel.Īlso checked for table flatness by running the table back/forth with the indicator on the table. The table runs on ball screws, so should have little backlash, but ball screws can wear out. He was retiring and selling off his equipment. Answer to my question was he'd used the mill in a side business shop (was a tool and die maker). First thing I asked is "why are you selling the mill?"įirst one was a 1981 Bridgeport Series 1 2HP mill with an Anilam Crusader 2 controller (circa 1985). Not an authority by any stretch, but here's what I looked at and questioned.
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