注入模具的是金属粉末和塑性流动剂构成的均匀混合喂料。
The feedstock injected into a mold is the mixture of metallic powder and plastic binder.
其原因包括在喂料区加热时间太短和在过渡区熔融太慢、混合不良、在机筒和口模中存在过多的热量损失。
Causes include heating too quickly in the feed zone, melting too slowly in the transition zone, insufficient mixing, and excessive heat loss in the adapters or die.
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