Safety & Maintenance
Not all machine shops offer the same level of service when it comes to spindle repair work.
Exposing the Myth that All Spindle Rebuilds are Equal By: Del Williams
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xpert spindle rebuilders that pay attention to the details and communicate throughout the process offer fast, reliable rebuilds that last For manufacturers, CNC machine tool spindles are critical to any drilling, milling, boring, grinding, routing, cutting, or sawing process. However, when these systems deteriorate and fail due to contaminants, human error, improper maintenance, lubrication issues, or poor spindle design, a quality rebuild is often required. Despite the availability of spindle rebuilders nationwide, not every firm provides the same level of quality. Even if a rebuilder has the equipment, they may not have the experience, technical knowledge,
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16 IMD AUGUST 2021
or attention to detail necessary to rebuild a spindle that performs reliably for many years. Even reputable rebuilders vary in the extent and quality of the initial inspection, accuracy of quotes, and level of communication with customers. Yet given the direct correlation between these factors and the ultimate quality and longevity of the rebuild, most machinist continue to believe that it makes little difference which shop they contact. In actual practice, however, the difference can be significant and seriously impact shop productivity. As a result, most machinists can easily relate tales of failed spindle repairs that led to costly downtime.
