Davis-Standard LLC's Blown Film Systems unit in Somerville, N.J., has upgraded its PAC 50 series of surface winders, with a compact hydraulic system using high-speed digital electronics to give lay-on process control.
That reduces blocking at the core.
The new design also has a device to bring the core up to speed before transfer, giving smoother starts on thin, high-speed webs. Another addition: an integrated shaft hoist system so operators can easily return the shaft to the transfer position without lifting it.
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