发明名称 |
Device for the maintenance of semi-autogenous grinding mills used in large-scale mining |
摘要 |
A nut cold cutter devise is used in the assembly and maintenance of semi-autogenous grinding mills for large-scale mining. The device includes a front body, a back body and a hydraulic cylindrical chamber located between the front and back bodies. The front body has a defined cavity in which there is a movable cutting tool and a fixed cutting tool. The nut to-be-cut is positioned in the space located between the two cutting tools. The hydraulic cylindrical chamber contains a push piston that is sealed to the inside of said hydraulic cylindrical chamber with watertight joints. The push piston is attached to a toolholder axis and the movable cutting tool is attached to the front end of the toolholder axis.
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申请公布号 |
US6869001(B2) |
申请公布日期 |
2005.03.22 |
申请号 |
US20030686665 |
申请日期 |
2003.10.17 |
申请人 |
CORPORACION NACIONAL DEL COBRE DE CHILE;INSTITUTO DE INNOVACION EN MINERIA Y METALURGIA |
发明人 |
CERDA LUIS ORTIZ;GUZMAN JOSE CABRERA;LUNA JUSTO VARGAS |
分类号 |
B23D29/00;B26B17/02;(IPC1-7):B26D1/06 |
主分类号 |
B23D29/00 |
代理机构 |
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