For shaping an particular slim pipe product with high demands on both inner and outer surface quality,a smooth slim core rod was adopted,and the outer surface of the product was processed by lathing.

• 为生产某一特别细长且内外表面要求很光洁的管件产品,采用了表面光洁的细长模芯加以车加工外表面的方法,保证产品的精确成型;