Lesson 02-A- Bench & Hand Tools.pptx - Seneca College of Applied Arts Technology THY101 Bench Hand Tools Equipment for Lesson \u2022 \u2022 \u2022 \u2022 \u2022

Lesson 02-A- Bench & Hand Tools.pptx - Seneca College...

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THY101 Bench & Hand Tools Seneca College of Applied Arts & Technology
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Prick, Centre and Pin Punches. Diamond point chisel and sample of hole correction and re- alignment. Angle plate. Hammers and mallets. Hacksaw and different blades. Screwdrivers and wrenches. Equipment for Lesson
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A prick punch is 60 degrees and is used to mark the position where holes or other features are to be located. A centre punch is 90 degrees and is used to enlarge the indentation made with a prick punch ready for drilling. Centre and Prick Punches 60° 90°
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Pin punches are used with a hammer to install or extract dowel and split pins. Pin Punches
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Most punches are made from high carbon steel. Each punch is heat treated to produce the desired physical characteristics. Ask your shop teacher to demonstrate correct method for re-sharpening points. Heat Treatment of Punches HARD TOUGH TOUGH SOFT
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Scribers come in many sizes and types. Most are simply lengths of high carbon steel with a sharp point.
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  • Summer '20
  • Carbon steel, hammer, Chisel

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