Using planetary gear reducer insteads of worm and worm wheel reducer in the pouring mechanism of melting cast iron pot. It had been used in practice and got its economic result.

用小型行星减速机构代替蜗轮蜗杆减速传动装置，为铸造厂铁水包倾倒机构解决了一项生产难题，在生产中取得效益。

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The worm photoelastic model was made in the way of steel mandrel surrounded with epoxy resin tooth, and the gear was made by the method of integral cast.

制备了钢质轴芯镶铸环氧树脂齿部的蜗杆模型，整体浇注了环氧树脂蜗轮模型。

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