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PYZ2200、PYZ1750和PYZ1200弹簧圆锥破碎机是我厂为国家重点项目万家寨水利工程及石家在金矿生产的破碎设备，其主要适用于中硬以下矿石的破碎。圆锥躯体是弹簧圆锥破碎机的主要部件，PYZ1750圆锥躯体如附图所示。附图圆锥躯体图纸的技术要求为：①锥面粗糙度R＝25。对内孔400H
PYZ2200, PYZ1750 and PYZ1200 spring cone crusher is my factory for the national key project Wanjiazhai water conservancy project and Shijia in the gold production of crushing equipment, which is mainly applicable to the following in the hard broken ore. Conical body is the main part of the spring cone crusher, PYZ1750 conical body as shown in the figure. The drawings conical body drawings technical requirements: ① conical surface roughness R = 25. The inner hole 400H