f the beam saves processing time and improve productivity and reduce costs. The rise and fall of the beam pleted by the ball screw pair, smooth transmission requirements in the screw drive and ball screw has a certain carrying capacity.РThe turret rotating institutions is an important part of C lathe. Turret rotating institutions is posed by the worm. Turret rotation institutions make the turret can rotate within a certain range, the form and scope of the processing e more diverse.РIn the design of beam structure, we mainly calculate the shear and bending moment that the beam bear. The entire turret bodies are connected on the beam, so the the shear and bending moment is mainly from the cutting force, we chose steel tube as beam to ensure that it is light.РKeywords: Smooth, Carrying, Light
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