CNC Setup & Changeover Time Study Workbook

Capacity & Setup

CNC Setup & Changeover Time Study Workbook

Time every CNC changeover from last-good-part to first-good-part, then break each setup into timed steps and tag them internal or external using the SMED method. The conversion planner estimates the minutes you could move off the machine, and the dashboard rolls those minutes up into recoverable spindle hours per machine. The spindle-hour value used to price that capacity is a figure you enter yourself — the workbook asserts no benchmark and computes only on your own timed observations.

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What's included

  • Changeover timing log defined as last-good-part to first-good-part per machine and job
  • Step-by-step study sheet that classifies each task internal vs. external (SMED)
  • Internal-to-external conversion planner that estimates recoverable minutes per step
  • Recoverable spindle-hours and user-entered capacity-value summary per machine
  • Changeover-frequency and average-time trend view across studied setups
  • SAMPLE Meridian Precision study; ships blank for your own time studies

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