Layout ToolsLayout Tools

Prepared byPrepared by

Dr. Dale CarpentierDr. Dale Carpentier

Monroe Area High SchoolMonroe Area High School

Modified by Georgia Agriculture Education Curriculum OfficeJune 2007

Layout Tools and Layout Tools and ProceduresProcedures

OBJECTIVES:OBJECTIVES:As a result of this lesson, students will be As a result of this lesson, students will be able to accomplish the following objectives able to accomplish the following objectives with 70% accuracy.with 70% accuracy.

1.1. Identify and select appropriate tools for Identify and select appropriate tools for layout procedures in woodworking.layout procedures in woodworking.

2.2. Use layout tools correctly and accurately Use layout tools correctly and accurately when given a woodworking problem.when given a woodworking problem.

3.3. Read measurements within a 1/16".Read measurements within a 1/16".4.4. Make a pattern using layout tools.Make a pattern using layout tools.

Essential Question: What are the common layout tools used in the Agriculture Mechanics lab?

Steel RuleSteel Rule

► Made from steel or Made from steel or aluminum.aluminum.

► 12 to 36 inches 12 to 36 inches long.long.

► Used forUsed for MeasuringMeasuring DivisionsDivisions Bi-secting and Bi-secting and

Tri-sectingTri-secting

Tape MeasuresTape Measures

► Used forUsed for MeasuringMeasuring DivisionsDivisions

Try SquareTry Square

► Three purposesThree purposes Layout lines across Layout lines across

grain of wood.grain of wood. Test edge or end for Test edge or end for

squareness.squareness. Test work for Test work for

uniform width or uniform width or thickness.thickness.

This is not a hammer!This is not a hammer!

Framing or Carpenter SquareFraming or Carpenter Square

► UsesUses Measuring.Measuring. Divisions.Divisions. Tables.Tables. Layout lines.Layout lines. Testing for Testing for

squareness.squareness. Laying out rafters Laying out rafters

and stair steps.and stair steps.

Combination SquareCombination Square

► Used forUsed for Measuring Measuring Measuring and Measuring and

marking 90 and 45 marking 90 and 45 degree angles.degree angles.

Marking gage.Marking gage. Level.Level.

Speed SquareSpeed Square

► Layout lines across Layout lines across grain of wood.grain of wood.

► MeasuringMeasuring► Laying out rafter Laying out rafter

angles.angles.► Laying out angles.Laying out angles.

Dry Wall SquareDry Wall Square

► Used to cut sheet Used to cut sheet rock or dry wall to rock or dry wall to size.size.

Sliding Sliding T-BevelT-Bevel Square Square

► Main UseMain Use Transferring angles Transferring angles

to radial arm saw, to radial arm saw, compound miter compound miter saw, other tools, or saw, other tools, or from one board to from one board to another.another.

Folding Rule or Zig Zag RuleFolding Rule or Zig Zag Rule

► Use forUse for MeasuringMeasuring Can be used to Can be used to

measure spans over measure spans over head.head.

Not the most Not the most accurate tool.accurate tool.

LevelLevel

► Use to insure Use to insure straightness.straightness.

► Can be used to Can be used to check for vertical.check for vertical.

► Can be used as a Can be used as a straight edge.straight edge.

Chalk LineChalk Line

► Used to mark Used to mark temporary lines on temporary lines on walls, ceilings, or walls, ceilings, or boards.boards.

Scratch AwlScratch Awl

► Use for marking Use for marking wood or metal.wood or metal.

Checking for SquareChecking for Square

► 3 – 4 – 5 Triangle3 – 4 – 5 Triangle Measure 3 feet on Measure 3 feet on

one side and 4 feet one side and 4 feet on the other side. on the other side. The hypotenuse The hypotenuse should be 5 feet. If should be 5 feet. If not, move the two not, move the two sides until it is.sides until it is.

Forms a 30, 60, 90 Forms a 30, 60, 90 right triangle.right triangle.

Can use multiples, Can use multiples, such as 6-8-10.such as 6-8-10.

► Measure the diagonalsMeasure the diagonals If the two sides are If the two sides are

equal and the two ends equal and the two ends are equal, the diagonal are equal, the diagonal measurements should measurements should be equal. If not, push be equal. If not, push the corners in or out the corners in or out until they are equal.until they are equal.

Test your knowledgeTest your knowledge

Test your knowledgeTest your knowledge