High-Speed Machine to Mold Water Bottle Caps

Sumitomo (SHI) Demag will run an El-Exis SP 420 molding a 29/25 water bottle cap with a tamper-evident band molded by mechanical slides in a 96-cavity hot-runner mold supplied by Plastisud (W7550).

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Sumitomo (SHI) Demag will run an El-Exis SP 420 molding a 29/25 water bottle cap with a tamper-evident band molded by mechanical slides in a 96-cavity hot-runner mold supplied by Plastisud (W7550). The water-cooled chiller will be supplied by Frigel (W7991), the hot runner temperature control by SISE Plastics Control Systems (W4053), and the mold dehumidification system by Eisbär Trockentechnik GmbH (S24138). The production unit will also be equipped with an IMDvista optical inspection system from IMD Inc.

Available in model sizes from 165 to 825 tons, the El-Exis SP is said to be a “true hybrid,” combining ultra-high-speed injection via hydraulic accumulator and servo-valve, an energy-efficient electric screw drive for maximum plasticizing capacity and parallel recovery, and a clamping unit with AC servo drive and hydrostatic transmission for fast, energy-efficient mold open/close.