Precision Spindle Metrology - 2nd Edition

  • ID: 1095990
  • Book
  • Region: Global
  • 176 Pages
  • DEStech Publications, Inc
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This volume is a revised version of the original, which is the chief introduction to the fundamental concepts and technology of measuring spindle motion. The new edition has been updated with clearer examples and explanations, as well as improved illustrations.

The book furnishes the mathematical tools to understand--and correct--various kinds of motion and rotational errors. Using case studies and practical examples, the author explains how to set up devices for measuring spindle motion. The book then presents a detailed analysis of precision spindle metrology data and demonstrates how the data can be utilized to understand and improve the performance of spindle-based machinery, measured to the nanometer level.

Newly updated and corrected, with improved illustrations

- Theory and practice of measuring spindle motions at the nanometer level
- For turning, milling, and grinding machines, and production and inspection machinery of all kinds
- Clear explanations of the methods and mathematics of data analysis
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Acknowledgements

Preface

1. Getting Started

- What is a spindle?
- Case study: CNC lathe
- Brief history of spindle testing

2. Spindle Metrology Concepts

- Spindle fundamentals
- Spatial measurement classification
- Frequency classification of error motion
- Sensitive direction classification of error motion
- Case study: Rotating and fixed sensitive direction
- Summary

3. Test Instrumentation

- Spindle test stands
- Artifacts
- Displacement sensors
- - Multiple channel sensing
- - Bandwidth
- - Resolution and accuracy
- - Environmental effects
- - Vibration
- - Temperature

4. Data Acquisition and Analysis

- Data acquisition
- - Anti-alias filtering
- - Ranging of analog-to-digital converters
- Data analysis
- - Frequency domain filtering
- - Frequency domain filtering—specific frequencies
- - Frequency domain filtering—bandpass
- Error separation
- - Donaldson reversal
- - Estler face error motion reversal
- Multiposition error separation
- - Multiprobe error separation
- - Multistep error separation
- - Generalized reversal formulation
- - Grejda reversal
- - Master axis testing
- - Uncertainty
- Case study: comparison of error separation methods

5. Production Equipment Case Studies

- Surface grinder spindle
- - Measurement setup
- - Stiffness measurement
- - Thermal response
- - Structural and spindle motion
- Lathe spindle
- - Thermal response
- - Structural and spindle motion
- Vertical machining center spindle
- Air bearing spindle for diamond turning
- Summary

6. Applications

- Instrumentation for rolling element bearings
- Rolling element bearing repeatability
- Ball bearing repeatability
- Air bearing stiffness and pressure
- Gas composition and asynchronous error

Bibliography

Index

About the Author
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Dr. Eric Marsh is a professor in the Mechanical Engineering Department of Penn State University. He holds a doctorate from MIT where he worked in the precision engineering group of Professor Alexander Slocum.

Dr. Marsh's current work focuses on spindle metrology, ball bearing metrology, and precision grinding, including novel ways of monitoring the grinding of glasses and ceramics.
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