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Drilling/Boring Machine
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| We were requested to design and build a machine to drill and bore (3) three 1.890 dia. holes in a cast-iron part while holding ±.0005 tolerance over an (8) eight hour shift at a rate of 195 parts per shift. We mounted Suhner spindles on our own AMA manufactured slides driven in and out by a servo-motor and ball screw. With all three axis operating at the same time we were able to hold +.0005/-.0000 tolerance over a shift while producing a part with a 56 second cycle time. This far exceeded the customers requirements. |
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