Dial Indicators - Mill

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Dial Indicators - Mill

• Location / Types
• Dial Indicators are located on the top of the
  Metrology Cabinet
• Spindle Indicators are located in dial indicator
  drawer
• 2. Using Indicators
• Used to accurately measure small distances
• Probe swings in an arc around its hinge point
• Damaged if force is applied perpendicular to this
  arc
• 3. Checking Flatness
• Attach Magnetic Indicator to the bottom of the
  spindle
• Using the table axis touch the indicator to the
  surface to be measured
• Adjust the gage to read zero
• Use the table to sweep the indicator across the
  surface
• Measure the change in flatness (gage reads ½
  thousandths)
• Return indicator to cabinet
• 4. Finding the Center of a Hole
• Clamp spindle indicator to bottom of the spindle

Last updated June 1, 2007