▎ 摘　　要

NOVELTY - The utility model claims a worm wheel and worm speed reducer with improved transmission deviation, comprising a base, a box body, an output shaft, a worm wheel, a worm; a box cover; the bottom of the box body is fixed on the top of the base through a hollow rubber block; the output shaft is set in the box body; and two ends extend to the outside of the box body; the worm wheel is fixed on the surface of the output shaft; the surface of the worm is engaged with the surface of the worm wheel; the box cover is fixed on the top part of the box body; two sides of the box body are provided with a heat conducting copper block; one side of the heat conducting copper block close to the worm wheel is provided with a cylindrical groove; the utility model relates to the technical field of speed reducing machine. The worm wheel and worm reducer with improved transmission deviation, through heat conducting copper ball, sliding disc, reset spring, cylindrical groove; matched with the heat conducting copper block; the heat of the worm wheel surface is transmitted to the graphene heat conducting block by means of heat transfer; matched with the radiating fin and the radiating fan, capable of quickly radiating, so that the whole radiating effect is good.