FIELD: machine tool manufacture, namely manual cutting machines.
SUBSTANCE: according to first variant of invention step-down reduction gear is at least double-step one. According to second variant of invention at least one step of step-down reduction gear is provided with worm transmission. According to third variant of invention manual electric saw includes in addition unit for feeding air from impeller onto saw disc or in tank with emulsion for cooling saw disc. According to all three variants of invention electric drive unit provides possibility for discretely changing revolution number of outlet shaft and gradual regulation of revolution number. Outlet shaft has threaded portion on which with use of sleeve having additional turning saw disc is mounted.
EFFECT: enhanced manufacturing possibilities, improved ecological characteristics of saw.
15 cl, 3 dwg
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