... технологический процесс нарезания зубьев круговыми резцовыми головками на зуборезных станках. The paper describes the gears of new generation for oil and gas pipelines valving based onprecessing transmission. Presented the kinematic and layout diagrams of this gears type. Their advantages in comparison with the existing designs are shown. Results Precessing transmission, which is generally conical with small interaxial angles, can ...

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