Transcript Layout Tools and Procedures

Layout Tools
Prepared by
Dr. Dale Carpentier
Monroe Area High School
Modified by Georgia Agriculture Education Curriculum Office
June 2007
Layout Tools and
Procedures
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OBJECTIVES:
As a result of this lesson, students will be able to
accomplish the following objectives with 70%
accuracy.
Identify and select appropriate tools for layout
procedures in woodworking.
Use layout tools correctly and accurately when
given a woodworking problem.
Read measurements within a 1/16".
Make a pattern using layout tools.
Essential Question: What are the common layout tools used in the Agriculture
Mechanics lab?
Steel Rule
► Made
from steel or
aluminum.
► 12 to 36 inches long.
► Used for
 Measuring
 Divisions
 Bi-secting and
Tri-secting
Tape Measures
►
Used for
 Measuring
 Divisions
Try Square
► Three
purposes
 Layout lines across
grain of wood.
 Test edge or end for
squareness.
 Test work for uniform
width or thickness.
This is not a hammer!
Framing or Carpenter Square
► Uses






Measuring.
Divisions.
Tables.
Layout lines.
Testing for squareness.
Laying out rafters and
stair steps.
Combination Square
► Used
for
 Measuring
 Measuring and marking
90 and 45 degree
angles.
 Marking gage.
 Level.
Speed Square
► Layout
lines across
grain of wood.
► Measuring
► Laying out rafter
angles.
► Laying out angles.
Dry Wall Square
► Used
to cut sheet rock
or dry wall to size.
Sliding T-Bevel Square
► Main
Use
 Transferring angles to
radial arm saw,
compound miter saw,
other tools, or from one
board to another.
Folding Rule or Zig Zag Rule
► Use
for
 Measuring
 Can be used to
measure spans over
head.
 Not the most accurate
tool.
Level
► Use
to insure
straightness.
► Can be used to check
for vertical.
► Can be used as a
straight edge.
Chalk Line
► Used
to mark
temporary lines on
walls, ceilings, or
boards.
Scratch Awl
► Use
for marking wood
or metal.
Checking for Square
►3
– 4 – 5 Triangle
 Measure 3 feet on one
side and 4 feet on the
other side. The
hypotenuse should be 5
feet. If not, move the
two sides until it is.
 Forms a 30, 60, 90 right
triangle.
 Can use multiples, such
as 6-8-10.
► Measure
the diagonals
 If the two sides are
equal and the two ends
are equal, the diagonal
measurements should
be equal. If not, push
the corners in or out
until they are equal.
Test your knowledge
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