FIELD: technological processes.
SUBSTANCE: invention relates to gear wheels. Gear wheel has wheel body with toothed rim, wherein wheel body comprises first row of holes arranged along first wheel circumference. Each hole of the first row is located precisely under each tooth, at the minimum possible distance, but not closer to such distance, at which concentration of bending stresses in the tooth base does not increase in comparison with the same wheel without holes.
EFFECT: higher cooling of the gear rim, lowering its temperature, which makes it possible to protect against overheating.
4 cl, 7 dwg
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