Packaging and Conveying

Plastic materials reduce noise, weight, and friction to keep operations moving

Plastics offer a number of advantages for packaging and conveying machinery. Plastic materials are significantly lighter than metals, which reduces weight and saves energy costs for moving parts. 

Additionally, plastics tend to have good sound deadening characteristics, which allows machinery to run quieter. They are tough and durable with many engineered to wear well and stand up to cleaning chemicals.

Low friction and outstanding wear characteristics of plastics such as nylon, acetal, and UHMW make them preferable alternatives to metal to keep machines running without the need for external lubrication.

Benefits of Plastic Materials for Packaging and Conveying Machinery:

  • Ease of fabrication
  • Noise reduction
  • Excellent bearing and wear characteristics
  • Lighter weight than metal
  • FDA, USDA, and 3A Dairy compliant grades
  • Chemical and corrosion resistance
  • Detectable grades

PLASTIC MATERIALS FOR PACKAGING AND CONVEYING MACHINERY

acetal-sheet-rod-tube-bw

Acetal

High strength, stiff, low friction engineering plastic with good wear properties.

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Acrylic

Outstanding strong, stiff, clear plastic available in a variety of brilliant colors and finishes.

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HDPE

Durable, versatile, low cost, abrasion and chemically resistant plastic material.

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Nylon

Strong, stiff engineering plastic often used to replace metal bearings and bushings.

peek-sheet-rod

PEEK

Strong, stiff plastic with outstanding chemical resistance; performs over a wide range of temperatures.

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PET

A strong, dimensionally stable plastic with outstanding chemical resistance and wear properties.

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Polycarbonate

Transparent, strong and stiff thermoplastic with outstanding impact resistance.

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PTFE

Low friction engineering plastic with outstanding chemical, high temperature, and weathering resistance.

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UHMW

Extremely tough abrasion resistant, low cost plastic, used for a wide range of wear applications.

Plastic Applications for Packaging and Conveying Machinery

  • Bearings and bushings
  • Carryaway plates
  • Chain guides
  • Corner plates
  • Diverter cones
  • Gears
  • Guide rails
  • Machine guards
  • Star wheels
  • Transfer plates
  • UHMW flights
  • UHMW liners
  • UHMW profiles (U, C and J clips)

Transparent Machine Guards

Polycarbonate and acrylic sheet materials are ideal choices for machine guards. They are far more durable than glass and are easy to fabricate and install.

Polycarbonate offers the advantage of superior toughness and impact resistance. Additionally, polycarbonate sheet can be bent into complex shapes using a sheet metal break, which simplifies fabrication since no heating is required.

Acrylic has superior clarity and it is stiffer than polycarbonate. Acrylic is often used for large unsupported machine guards when the impact resistance of polycarbonate is not required.

Both acrylic and polycarbonate are available with hard-coated surfaces that enhance both chemical resistance and scratch resistance.

Plastics for Friction and Wear Applications

Plastics such as UHMW, nylon, and acetal have low friction and outstanding wear characteristics, even in the absence of external lubrication. These materials are widely used in high speed packaging and conveying applications where wear resistance and smooth operation is essential.

UHMW is tough and durable. It performs well in applications such as chute liners and star wheels where low friction and excellent wear performance are required. LubX® CV is a special grade of UHMW with lower friction and superior wear properties compared with standard UHMW.

Acetal (sometimes referred to by the brand name Delrin®) is easy to machine into complex shapes. It has low friction and it has superior strength and stiffness compared with UHMW.

Nylon has outstanding wear characteristics, particularly when it is in contact with metal in dry environments. Nylon is often used for gears, bearings, and bushings, when long wear life is required and external lubrication needs to be avoided.

Semicrystalline PET has strength and stiffness similar to nylon and acetal, however it has superior dimensional stability and stain resistance. It is often specified for tight tolerance food processing machinery applications.

Continue Your Research

Not sure which materials best fit your needs?

Our experienced sales and technical teams are available to assist you with material selection challenges.

FAQs

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Curbell Plastics, Inc. Unauthorized use is strictly prohibited. All other trademarks, service marks and logos used herein are property of their respective owners. All rights hereto are retained by Curbell Plastics and any third party owners of such rights. All statements, technical information and recommendations contained in this publication are for informational purposes only. Curbell Plastics, Inc. does not guarantee the accuracy or completeness of any information contained herein and it is the customer's responsibility to conduct its own research and make its own determination regarding the suitability of specific products for any given application.

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