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Even though the greatest productivity increases (by far) are generally to be found in setup, programming and editing, there are ways to optimize the run time.
Since actual spindle ‘on’ time in most manufacturing operations is only 10-20 percent of the total job cycle time, this should be the last area to focus investment dollars. But it certainly should not be ignored.
Typically, machines with higher rapids and higher spindle RPM will have quicker performance. Be careful, though, to make sure the machine will manufacture the part with precision, not just speed.
When running a complex NC program, many machines can struggle with data starvation. Essentially, there’s so much data in the program that the machine chokes on it, and that causes it to slow down. Make sure the machining center under consideration has significant blocks-per-seconds processing rate, RAM and a large hard drive. That’s the only way to prevent this type of slowdown. The Hurco has an astounding 1,600 bps plus 600 block look-ahead.
Hurco’s control also has corner feed-rate optimization. That automatically evaluates the material, tool and cutting process to maximize the speed and quality of a difficult portion of the program.
Case Study: Pelletizer Knives
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