FIELD: process engineering.
SUBSTANCE: invention relates to repair of tire. Roughing tool for tire surface grinding off comprises roughing wheel drive, roughing wheel coupled with said drive and grinding-off depth limiter secured to said wheel drive. Said grinding-off depth limiter comprises two running guide rollers secured thereto and spaced apart along common axis of revolution so that roughing wheel is located between two said guide rollers. Rouging wheel can penetrate beyond preset diameter of said guide rollers corresponding to preset depth of grinding off. Note here that roughing wheel axis of revolution is located, in fact, perpendicular to common rotational axis of guide rollers.
EFFECT: efficient recovery of damaged tire.
19 cl, 8 dwg
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