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Harold Hall

Workshop Projects

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Whilst the state of the wheel's face is not critical do ensure that is parallel (visually) with the front edge of the table ensuring that the 1-2° angle set by the rest is replicated on the cutter, as I have already said a concave end is essential.

 

Slot Drills

These need a slightly different approach as one cutting edge is longer than the other and need to be plunged in use if making a closed end slot. First sharpen the two edges as was done for and end mill. Then, set the device to a slightly greater angle and the grind just the inner most section of the long cutting edge. This will create a very slight bend in the overall cutting edge but will leave the cutter with its tips still at the same level

 

Results

With the rest made and used the cutters will be found to produced much superior results when facing. Whether the cost saving in cutters warrants the time spent in its manufacture only the reader can decide. It did take me around six hours but I have to take the photographs and did some minor development during the time so the viewer should be able to improve on this appreciably.

 

An alternative mounting

For the reader who cannot mount the rest off the grinder, or who wants to reduce the time to make it Photograph 9 shows a crude but effective alternative. It will avoid the need to make the support and to establish the dimensions for this and as it can be made in no more than 10 minutes should also be a time saver. With a third piece of timber added to the top, the table could then be made out of a flat piece of steel rather than an angle.

 

 

End Mill Sharpening Fixture
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 9

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Drawings