Roughing It: Boost Productivity Using Your Machine HP Chart

March 23, 2021

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makino spindle

Regardless of type, manufacturer, or age, the spindle in your machine tool has a limited amount of power and torque. The graphs that define those characteristics are all too often misunderstood or ignored. Although it is not necessary to evaluate the power and torque of every tool in your machining process, a closer consideration of roughing operations does offer productivity-boosting opportunities. Using a planned approach that matches speed, feed, and tool engagement with the available power can allow operations to take full advantage of the machine's capability while avoiding potentially costly overloads.


  • Learn how to interpret a power/torque chart
  • Identify operations and tools that may benefit from HP analysis
  • Maximize available power by calculating cutting parameters
  • See ferrous and non-ferrous cutting examples



David Ward

Product Marketing Manager, Makino

David Ward has a passion for manufacturing and the metal cutting industry. In his 30+ years with Makino, he's been involved with multiple aspects of the machine tool industry. David began working at Makino as an Application Engineer, developing innovative and robust turnkey machining solutions for numerous automotive and aerospace customers. Leveraging this machine and applications experience, he supported production machinery sales as a Regional Sales Manager covering mid-west and mid-Atlantic sales territories. Since 2010, he has been part of Makino's Product Management group, providing engineering support, as well as sales and marketing support, for Makino's industry leading machining center products.