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Undercuts An undercut is a part of the mould where the molten plastic flows behind…

Internal stress and warping When thick sections are moulded，rapid changes in temperature can cause thermally…

Sinking The moulding of thermoplastics in thick sections presents other shrinkage problems, especially where mould…

Effects and Influence of Mould Design upon Maintenance It is an unquestioned truism that mould maintenance, in…

The correct kind of maintenance for plastic moulds is one which certainly involves much more…