Wexco Corp. in Lynchburg, Va., introduced a new line of “tool steel” cylinders for injection molding machines. They boast a one-piece, non-segmented steel liner that provides a smooth, uninterrupted and crevice-free bore, unlike competing tool steel cylinders on the market.
A patent is pending.
The one-piece design eliminates any chance that cracks may develop, which can trap colored plastic residue. That can contaminate different colored resins to be run next, and can shorten cylinder life if corrosive resins seep through to attack the backing tube.
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