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Essential Guide to Imperial Measurement: Understanding Fractions and Woodworking Techniques

Dive into the fundamentals of imperial measurement with this comprehensive guide. Learn how to read a ruler, determine the whole number and its fraction components, and reduce fractions to their simplest form. Explore essential hand tools for accurate woodworking, including measuring tapes, squares, and saws. Gain insights into the anatomy of wood, types of cuts like ripping and cross-cutting, and the various wood joints such as dovetail and mortise-and-tenon. Master the skills to make precise measurements and joinery for your woodworking projects.

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Essential Guide to Imperial Measurement: Understanding Fractions and Woodworking Techniques

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Presentation Transcript

  1. Test Review

  2. Imperial Measurement

  3. What makes up a fraction? ? ---- ? How many inches are in a foot? How to read the ruler? Find the inch number that is just smaller than the object being measured. Write down this whole number. Now determine the denominator of the exact measurement. Write this down to the right of the whole number. Now determine the numerator of the exact measurement. Write this over the denominator. If necessary, reduce the fraction to its lowest denominator. numerator denominator 12

  4. Hand Tools measuring tape pencil bench ruler try square

  5. combination square sliding t-bevel marking gauge jack plane

  6. dovetail saw back saw coping saw chisel

  7. rasp file robertson screwdriver phillips screwdriver

  8. claw hammer wooden mallet rubber mallet

  9. Anatomy of a Board Ripping: cutting along the length Cross-cutting: cutting across the grain face edge thickness end length width

  10. Squaring Stock by Hand • 4. Mark thickness of stock with marking gauge from good face on both edges and ends. Plane second face to lines and check for flat and square. 1. Plane face smooth and flat. • 2. Plane first edge. Test for flatness with straight edge and square to face with try square. Mark face and edge after testing. • 5. Using try square, mark first cut to square end. Cut end off with backsaw. • 3. Using marking gauge, mark width of piece on both faces and both ends. • 6. Measure final length from square cut end. Using try square make mark all around stock and cut off with backsaw.

  11. Types of Wood Joints dowelled butt joint butt joint

  12. Types of Wood Joints dado rabbet

  13. Types of Wood Joints half lap dovetail

  14. Types of Wood Joints mortise and tenon mitre with spline

  15. Types of Wood Joints tongue and groove

  16. Orthographic Projection

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