bottom die

基本解释

The breakage of the inner ring of the bottom die of centrifugal cast aluminium die is easily produced due to heat fatigue when it is weaker.
离心铸铝模下模内环部分较薄弱时，由于热疲劳很容易产生裂纹，因此应采用组合结构，延长模具使用寿命。
Sand bottom die-casting padlock series, sentinel production "earth" brand iron padlock series, breed diversity, the specification is complete.
砂底压铸挂锁系列，定点生产“地球”牌铁挂锁系列，品种多样，规格齐全。
A piece of hot metal sufficient to slightly overfill the die shape is placed in the bottom die, and the top die is forced against it, so that the metal takes the internal shape of the die.
将一块大小足以充填模腔并能稍有溢出的加热金属放入底模，并将顶模加压合拢，这块金属便获得该模腔的形状。

The machine is made of magnesium through and through, with pressed metal on the lid and a die-cast variety on the bottom.
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