Product Name:   8th Edition Cylinder & Screw Handbook

Westland's Cylinder & Screw Handbook offers a wealth of information for processors seeking to improve their operations.

The plastics industry is experiencing tremendous technological advances in machine automation. New resins continue to be developed which place even greater demands on processors.

However, quality products are still dependent upon one thing ... a quality melt achieved with the use of a well-designed screw functioning within a properly heated barrel.

The Eighth Edition of our Handbook provides guidelines to achieve this optimum processing environment. Westland's objective with sharing this information is to help processors achieve the highest possible quality of production, reduce molding cycle times or increase production rates and improve their existing processing window.

This updated version includes the basics of screw design and how it relates to resin factors.

In addition to more customary designs of screws and barrels, there are modifications that can be made to components to achieve improved processing results or desired special effects. These modifications, which include upsizing and downsizing an injection unit, are detailed in this latest edition.

Heat profiles, back pressure and other areas that have a significant impact on processing are discussed.

An understanding of the nature and causes of wear is presented, along with industry standard component repair/replacement guidelines.

This Handbook is offered free of charge.

  


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