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Measurements. Measurements (Fractional). Fractional measurements are called out in terms of feet and inches Example 5 feet, 3 and a half inches Same as 5’- 3 ½” Equal division of the inch can be 1/2 ’s, 1/4 ’s, 1/8’s , 1/16’s or 1/32’s
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Measurements (Fractional) • Fractional measurements are called out in terms of feet and inches • Example 5 feet, 3 and a half inches • Same as 5’- 3 ½” • Equal division of the inch can be 1/2 ’s, 1/4 ’s, 1/8’s , 1/16’s or 1/32’s • Wood working and cabinet making usually measures as close as the 1/16th of an inch.
Tape Measure Tape Lock
Speed Square • A carpenter will always have this tool available. • It fits well in a apron/ carpenter’s belt • You can quickly lay out angles for roof rafters • It quickly gives you 90 and 45 degree angles • You can use it as a cutting guide for a skill saw
Wood workers / Small square • Common in a wood shop • Used to lay out a square line or check if a project is square or not. • Small enough that it can be used inside projects
Framing or Carpenters Square 16” on one axis and 24” on the other. Studs that are on the inside of a wall are commonly set at 16” or 24”
Framing or Carpenters Square • Carpenters use this large square to lay out stairways, and roof rafters • They commonly use it to lay out straight lines on wood parts to be cut. • In wood shop we would use it to check if table tops are square or not.
French or Irregular curve Definition A French curve is a flat drafting instrument with curved edges and several scroll-shaped cutouts, used as a guide in drawing curves. Example A wood worker may use a French curve to draw the rounded corners of a new wall shelf
Marking Gauge Head Stock Beam Pin / Knife
Marking Gauge • Definition A marking gauge is used in woodworking and metalworkingto mark out lines parallel to an edge on the part. It consist of a head stock, beam, and a marking pin. • Example In a wood shop I would use a marking gauge lay out a line where I would cut with a saw.
Combination Square Ruler & Straight Edge Slide and lock body to set depth 45 Degrees Level Marking Pin 90 Degrees
Outside Calipers Tension Spring Legs Thumb Screw
Outside Calipers • In wood shop we would use outside calipers to measure the thickness of a board after it comes out of the planer • We would commonly use outside calipers with the wood lathe to check the diameter of a baseball bat, a bowl, or a lamp when they are being turned out.
Inside Calipers Measuring diameter on the inside of a pipe
Inside Calipers • In a wood shop inside calipers are generally used to check the inside diameter of a bowl that is being turned on a lathe
Compass Adjustment Thumb Screw Graphite Pivot Pin Used to draw circles or arches
Trammel Points Used for large circles or arches
Dividers Lays out distance Leap frog to lay out distance
Dividers • Would use these in a wood shop to check the distance between two points. • Look similar to inside calipers but have sharp points instead of out turned ends on the legs.
Protractor Degree Angles
Protractor with a Sliding T- Bevel Use the protractor to set your angle on the sliding T-Bevel
Sliding T- Bevel Tension Wing Nut The Sliding T- Bevel is used to find what an existing angle is, or used with a protractor to set new angles.
Sliding T-Bevel Laying out an angle on a piece of wood