FIELD: machine building.
SUBSTANCE: grinding is performed by composite grinding wheel with edges dressed to radius of taper roller end sphere. Taper rollers are fitted by their taper surfaces into mate taper holes of bushes arranged uniformly along the edges of circular feed head. Bushes with rollers are fitted in outer ends of hollow spindles arranged radially at equal angular spacing in annular feed head. Spindles are revolved about their axes and, at a time, together with said head, about head axis perpendicular to grinding wheel rotational axis. Spindles and head are driven by differential bevel gear. Spring-loaded pushers are fitted in spindle through hole. One ends of said pushers interact with fixed cam while opposite ends force taper roller from bush after termination of grinding cycle. Said bush may be replaced on varying taper roller type.
EFFECT: higher precision.
2 dwg, 1 ex
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SU1079380A1 |
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RU2215634C2 |
