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String Trimmer Line Cutter |
String Trimmer’s Line Cutter (red) |
Edge Angle |
String trimmers often have a line cutter incorporated into the cutter head to cut the newly extended string line. In the picture to the right,
Use a machinist’s hand file for the sharpening process to ensure the blade’s temper is not lost.
Sharp tools are important, so I sharpen them every day.
Yutaka Mogami, 3rd generation master of Edo sashimono
Guidelines shown below are for Included Angles (α).
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General Guidelines |
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| α |
Notes |
| 30° |
As shown in the picture above left, sharpen the outside of the blade. |
The shape of the grind used is a call best made by the tool's use, based on your own experience. Additional notes are available on separate web pages for Grind Profiles, and Micro / Secondary Bevels.