Classification of Hand Tools - PART 1
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Transcript of Classification of Hand Tools - PART 1
CLASSIFICATION OF HANDTOOLS
PILITA R. SANTOS
IA-CIVIL TECHNOLOGY
TECHNOLOGY AND LIVELIHOOD EDUCATION
PARAÑAQUE NATIONAL HIGH SCHOOL – MAIN
Monday, November 3, 2014
OBJECTIVES
•Classify measuring, marking lining, and testing hand tools
•Identify measuring, marking lining, and testing hand tools
HAND TOOLS – Part 1
•Measuring Tools
•Marking Lining Tools
•Testing Tools
MEASURING TOOLS
•Push-Pull Rule
•Ruler
•Meter Stick
•Try Square
•Caliper
Push-Pull Rule
•flexible tape that slides into a material case and it is used to measure irregular and regular shapes.
Ruler
•used for measuring short pieces of stock.
Try Square
•Used for checking flatness and squareness
Caliper
•used for measuring diameter.
MARKING LINING TOOLS
•Pencil
•Marking Gauge
•Chalk Line
•Divider
•Compass
Pencil
•used to layout or mark cutting lines.
Marking Gauge
•wood or metal tool consisting of a beam, head and a point used to mark a line parallel to the grain of the wood.
Chalk Line
•used to establish a straight line on a surface.
www.toolstop.co.uk
Divider
•tool with two metal legs used to lay-out an arc circle or step off division on a line.
Compass
•used to scribe arcs and circles.
TESTING TOOLS
•Try Square
•Steel Square
•Spirit Level
•Plumb bob
Try Square
•tool used in squaring, measuring and testing the squareness of a piece of wood.
Steel Square
•framing square used to mark out the work for squaring and checking of angles and is used in the construction of roof framing and large furniture.
www.craftsmanspace.com
Spirit Level
•tool used for testing vertical and horizontal surfaces.
shop.adjustplus.biz
Plumb bob
•tool used to test the vertical alignment only.
professional-power-tool-guide.com
References
• IA-Civil Technology
• www.craftsmanspace.com
• www.toolstop.co.uk