Oregon Harvester - Sharpening and Maintenance; Filing and Grinding Angles

Saw Chain
31 Mechanical Timber Harvesting Handbook
Saw Chain Maintenance
Sharpening and Maintenance
See the following charts for more detail on sharpening angles.
Filing and Grinding Angles
|X|
A
B
C
D
18HX 7/32" 35° 10° 80°
.050"
1.27 mm
19HX 7/32" 35° 10° 80°
.050"
1.27 mm
11BC 5/16" 35° 0° 85°
.060"
1.52 mm
11H 5/16" 30° 0° 80°
060"
1.52 mm
11H 5/16" 30° 0° 80°
070"
1.778 mm
18HX 3/16" 35° 10° 60°
.050"
1.27 mm
19HX 3/16" 35° 10° 60°
.050"
1.27 mm
11BC 5/16" 35° 0° 60°
.060"
1.52 mm
11H 5/16" 30° 0° 50°
060"
1.52 mm
11H 5/16" 30° 0° 50°
070"
1.778 mm