The mould design process of backseat foam of car seat was studied,the reasonable de-sign size of foam mould was analyzed,and the steel wire fixing mode,exhaust pin and water distri-bution in mould were designed to avoid the appearance defects of foam.By comparing with the fix-ing scheme of die inserts,the structure more suitable for mass production was selected.The pro-duction verification,the foam size and appearance were good,and the expected effect was achieved,which has reference significance for foam mould design.
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