FIELD: process engineering.
SUBSTANCE: invention relates to material processing machinery, particularly, to grinders. Grinding machine incorporates control unit (60) with surface provided with terminal bar (67) extending outward. Connection element (48) includes female terminal (49) with slit (50) to receive terminal bar (67) and extends outward to base surface switch unit (30). When switch unit (30) and control unit (60) get connected, terminal bar (67) of connection element (48) fits in female terminal (49) to be connected therewith. Surface of control unit (60) has first and second ledges (68) and (69) to cover the surface of slit (50) in connection element (48 at its alignment with terminal bar (67) and to be connected thereto.
EFFECT: better dust repulsion in machine terminals.
15 cl, 24 dwg
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