Conveyer can be classified according to the conveying form into chain conveyer, belt conveyer, twist conveyer, roller conveyer, vibration conveyer buckets conveyer and so on.
Two groove of the inner ring and outer ring groove for the ball between the form of a drum, equipped with roller bearings.
二条滚道的内圈和滚道为球面的外圈之间,装配有鼓形滚子的轴承。
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This paper on the basis of analysis of moulding mode of glass mosaic roller-plate and roller-rollerform and the selecting stndard, discusses the principles of design and manufacture about cutter.