20 sharpening tools

12
WOOD MATERIALS TECHNOLOGY 4 th Edition

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Page 1: 20 sharpening tools

WOOD MATERIALS TECHNOLOGY

4th Edition

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Chapter 20Sharpening Tools

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Sharpening − chisels/planes Procedure

Grinding

Sharpening/honing

Backing off (remove the burr)

Grinding

Sharpening

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When to grind?

You grind the blade when It has worn down It has been damaged It has been rounded over by

incorrect sharpening

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Sharpening process

− Sharpening stones

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Sharpening angles

Grinding angle– 25 degrees

Sharpening angle– 30 degrees

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Sharpening − saws

ProcessHold saw in the vice and

file the teeth levelThe teeth are reshaped

to a fine point using a triangular file

Every second tooth must be bent (set) to the side using a saw set

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Quiz

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Name the piece of sharpening equipment in the pictures below

− Slipstone − Oilstone/honing stone

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Grinding angle

Sharpening angle

25°30°

25° 30°

What are the correct angles associated with sharpening the blade of a plane?

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Name this tool and describe why it is important

Sawset– The sawset bends every second tooth of a saw to one side – This ensures that when the saw cuts a piece, the blade does not get

stuck in the groove or kerf

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Oil is used to keep the stone lubricated and to stop the stone getting clogged

What is used to lubricate this sharpening stone?