浇铸工在离心铸管铸造生产中的重要作用

在离心铸管铸造工艺生产中,浇注工的工作至关重要,不可或缺。浇注工必须具备敏捷的反应能力与一定的洞察力和高超的组织指挥天车兑铁能力。每一位浇铸工必须熟练掌握离心铸管铸造工艺流程,熟悉本车间作业规则,有效的组织天车兑铁和专业的测温、扒渣、挑渣、挡渣、清包、修包等技术。一名优秀的浇铸工不但要具备精湛的技术,还要善于运用自己的语言、手势配合行动,审时度势,合理有效的组织天车兑铁,协调熔炼部门出铁,配合全线生产。

为普通劳动者传神写照——略谈培贵的诗

近几年,诗人培贵写了不少抒情短诗,这些诗和一个大写的“人”的家族联系在一起。各种类型、各种职业、各种性格的形形色色的人物,生动形象地展现在我们面前:炼钢工、工程师、交通警具体可感;说书人、弹花匠、老船工栩栩如生;峨眉山的背夫、新农村的大娘、川江上的妹子接踵而至…… 换句话说,培贵的诗不仅只产生在一草一木、一山一水中。

Influence of rheo-diecasting processing parameters on microstructure and mechanical properties of hypereutectic Al-30%Si alloy

The effects of pouring temperature,vibration frequency,and the number of curves in a serpentine channel,on themicrostructure and mechanical properties of Al-30%Si alloy processed by rheo-diecasting(RDC)were investigated.The semisolidAl-30%Si alloy slurry was prepared by vibration serpentine channel pouring(VSCP)process in the RDC process.The results showthat the pouring temperature,the vibration frequency,and the number of the curves strongly affect the microstructure and mechanicalproperties of Al-30%Si alloy.Under experimental conditions of a pouring temperature of850°C,a twelve-curve copper channel anda vibration frequency of80Hz,the primary Si grains are refined into fine compact grains with average grain size of about24.6μm inthe RDC samples assisted with VSCP.Moreover,the ultimate tensile strength(UTS),elongation and hardness of the RDC sample are296MPa,0.87%and HB155,respectively.It is concluded that the VSCP process can effectively refine the primary Si grains.Therefinement of primary Si grains is the major cause for the improvement of the mechanical properties of the RDC sample.

这种情况能办理工种提前退休吗?

【正】 劳顾问:我原是某市机电集团属下铸造厂的铸造工,1969年10月起开始从事这一工种作业,直奎1990年5月才调入某商场工作。我今年6月份将满55周岁,象我这样曾经从事过浇铸工种近21年的职工,能否办理工种提前退休。望予指教,十分感谢!彭军彭军同志:根据国务院国发(1978)104号《关于工人退休、退职的暂行办法》规定:全民所有制企业的工人“从事井下。