FIELD: process engineering.
SUBSTANCE: invention relates to machine building and may be used in manual angular grinders. Proposed machine comprises motor with polar tips to transmit magnetic field blower impeller to create cooling airflow. Machine cooling air duct section is composed by air guide element that covers, at least partially, said polar tips. The latter are located, at least partially, outside said air duct. At least one guide vane is made at air guide element to extend into said air duct.
EFFECT: protection of polar tips, improved conditions for cooling airflow.
13 cl, 6 dwg
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