FIELD: performing operations.
SUBSTANCE: invention relates to auxiliary means for manual drill sharpening on grinding machine. Headpiece on the holder of a grinding machine for sharpening drill bits, made of plastic, comprises a body in the form of a rectangular parallelepiped, on the lower base of which a holding leg with a hole is perpendicularly located, and on the upper one an angular inclined cutout is made, which connects the housing two diagonal vertices and forms two guide faces located at angle of 100-140°. At that, larger rib of upper base is 40-45 mm, smaller is 30-35 mm, smaller rib of side face of housing is 20-25 mm, and larger is equal to smaller rib of upper base.
EFFECT: expansion of the range of devices for manual sharpening of drills on a grinding machine while simultaneously simplifying the design of such a device.
5 cl, 5 dwg
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