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Measurement

Measurement. MEASURING TOOLS. RULER DIAL CALIPER VERNIER CALIPER OUTSIDE MICROMETER DEPTH MICROMETER INSIDE MICROMETER INDIRECT MEASUREMENT HEIGHT GUAGE INIDICATORS. Systems of Measurement. US Conventional System- inches, feet, yards Fractional Notation Decimal Notation

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Measurement

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  1. Measurement

  2. MEASURING TOOLS • RULER • DIAL CALIPER • VERNIER CALIPER • OUTSIDE MICROMETER • DEPTH MICROMETER • INSIDE MICROMETER • INDIRECT MEASUREMENT • HEIGHT GUAGE • INIDICATORS

  3. Systems of Measurement • US Conventional System- inches, feet, yards • Fractional Notation • Decimal Notation • Reading a Ruler (review page 70 Modern Metalworking) • International System of Units (SI)- SI metric • Millimeters/ Half millimeters • Reading a Ruler (review page 71 Modern Metalworking)

  4. Ruler • Graduations • Fractional Inch (1/8”-1/64”) • Decimal Inch (10th, 20th, 50th) • Metric (millimeters and half millimeters)

  5. Combination Square

  6. Rulers

  7. Dial Calipers BezalLock, Caliper Dial, Clamp Screw, Fixed Jaw, Scale Beam, Movable Jaw, Inside Nib.

  8. The Dial Caliper

  9. How to Read a Caliper

  10. Vernier Calipers • More accurate than dial calipers

  11. Vernier Measurement Review

  12. Outside Micrometer

  13. Reading a Micrometer

  14. Depth Measurement • Used to accurately measure the depth of a hole or bore.

  15. Depth Measurement

  16. Inside Micrometer • Used to accurately measure bores or hole diameter

  17. Inside Micrometer

  18. Indirect Measurement

  19. Height Gage • Types • Digital, Dial, or Vernier • Supported by Surface Plates and Machine Tables

  20. Indicators • Used for “quick checking” parts and machine setups • Types • Balanced- can be read in both directions from the “0” line • Continuous- read clockwise from “0” line • Digital

  21. Using an Indicator

  22. Test Your Knowledge • What is the graduation of this ruler? • When is a magnifying glass needed? • Why should you begin readings at the 1”? • Identify the highlighted marks.

  23. .217 7.

  24. .272 8.

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