To counter the control of the key size of the mould in the mould design for a plastics part, magnetic metal bar was used to the holding of the metal insert part in the mould.

针对某一塑料件产品的模具设计过程中遇到关键尺寸难于控制的问题。采用磁性金属棒对模具中的塑料嵌件进行定位。

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It introduce an injection mold structure to eject the plastics part with compressed air, and points out several problems to pay attention to during the designing and manufacturing.

介绍一种利用压缩空气顶出塑料件的注射模结构。并指出设计、制造过程中应注意的几个问题。

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The firm is now taking part in a new trial to see whether similar devices can separate mixed plastics of all kinds rather than just bottles.

现在，该公司正在参与一项新的实验。实验的目的在于，看看除了瓶子以外的其他塑料制品，在类似这样的设备下能否被分类成功。

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If not, is it something that is a factor in the environment of the post-industrial era, where out-gassing plastics and other factors are part of our daily lives?

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It uses the US firm's optical frontplane but adds on its own backplane made out of non-rigid plastics, and then sells the part to device-makers.

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There are a lot of materials in our environment, especially things - chemicals, that leach out of plastics - that we now know, become part of our food, and many of them have hormone effects.

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