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一、目前搅拌筒的外形与加工方法部标JJ22—84规定:双锥反转出料式混凝土搅拌机的拌简旋转时,滚道处的径向、进料口的径向、挡圈的内端面和进料口圈的外端面的圆跳动均不得大于进料口内径的1％。由于这些圆跳动不仅与筒体的制造精度有关,还与支持并带动拌筒旋转的橡胶托轮或齿轮的制造安
First, the current shape and processing method of the mixing drum department standard JJ22-84 stipulates: When the double cone reverse reversal discharge type concrete mixer is mixed with simple rotation, the radial at the raceway, the radial direction of the feed inlet, and the inside of the retaining ring The round runout of the outer face of the end face and feed ring must not exceed 1% of the inner diameter of the feed port. Because these circular runouts are not only related to the manufacturing precision of the cylinder, but also to the manufacture of rubber support rollers or gears that support and drive rotation of the mixing cylinder.