The use of Third Motion Servo Plug Assist can provide several process advantages for customers. Brown Machine is the leading innovator of third platen plug assist motion design for thermoforming machines and tooling. Here's how Brown does it.
  • Our recently patented single roller screw design provides higher stiffness, greater load capacity and longer, more dependable operation for thermoformers requiring 3rd motion applications.
  • Our patent for vacuum pulse circuit is used in conjunction with independent third motion plug assists to virtually eliminate unsightly chill marks.
  • Our patent for quick-change tooling allows rapid installation and removal of plug assists without the need for hand tools.
  • Our patent for tool design utilizing an external plug assist plate provides customers with significant reductions in air consumption and increased clamping performance.
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Bill Kent of Brown Machine recently wrote an article, "Third-Motion Servo Plug Assist," for SPE Thermoforming Quarterly. This article discusses the benefits of actuating plug assists independent of the upper or lower platens within the form station. Bill also describes the two basic third-motion designs used in large platen thermoforming machines for the North American market.

To read Bill's full article as it appeared in SPE Thermoforming Quarterly (First Quarter 2008, Volume 27, #1), click here.

The ThermoInformer is brought to you by Brown Machine, engineering and building a complete line of
continuous & cut-sheet thermoforming equipment as well as related tooling & peripheral equipment.

330 N. Ross St., Beaverton, Michigan 48612, USA
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