表明采用收缩模数法计算浇注系统尺寸，用浇注系统补缩的无冒口工艺是可靠的。
The results show that the gating and feeding system without riser is reliable through calculating the sizes of gating system by moduli calculation method.
在呋喃树脂砂型条件下，针对不同模数、不同冒口颈尺寸的圆柱试样进行了模拟计算和浇注试验。
Several cylindrical castings with different modulus and size of riser necks cast in furan bonded silicon sand molds are examined and analyzed numerically.
介绍了精密塑料小模数直齿圆柱齿轮模具型腔尺寸计算方法及成型工艺。
The cavity dimension calculation of injection mold of plastic small-module precision cylindrical spur gear and its molding technology are introduced.
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