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Application filed by ков В.Ф. СинfiledCriticalков В.Ф. Син
Priority to SU665747ApriorityCriticalpatent/SU138451A1/en
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Publication of SU138451A1publicationCriticalpatent/SU138451A1/en
и - внутренний и наружный радиусы опорной .плоскости зажимной гайки; -средний радиус резьбы оправки; а - угол подъема витков резьбы оправки; р - угол трени в резьбовой паре оправки с гайкой; ц - коэффициент трени скольжени поверхности контакта гайки с деталью (заготовкой). Поворот гайки 4 дл зажима и освобождени заготовки осуществл етс приспособлением, выполненным в ви and - the inner and outer radii of the support plane of the clamping nut; -the average thread radius of the mandrel; and - the angle of elevation of the threads of the mandrel; p is the friction angle in the threaded pair of the mandrel with the nut; C is the coefficient of friction sliding of the contact surface of the nut with the part (blank). The rotation of the nut 4 for clamping and releasing the workpiece is carried out by a device made in