Looking for rotational molding alternatives for Oregon? Want affordable custom plastic molding that is cost effective for Rockaway Beach area? Then give us a call at our toll free number 866-971-7861 or request a quote today!

rotomolding-Rockaway Beach-Rotational moulding refers to a plastic manufacturing method that makes hollow stress-free products. The function relies upon high temperatures and bi axial rotation to follow up with seamless, one piece products that have several designs, sizes and colors. This method is also called rotomoulding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl styles.

The benefit that makes this unique from other plastic manufacturing procedures because no pressure is needed. It also has few competitors when it involves the creation of sizable hollow items which are long-lasting and inexpensive.There is a wide variety of items that are produced by this process including big water tanks, automobile materials, sophisticated designed medical items, recreation equipment, toys, kayaks, industrialized equipment among many others.This is due to the flexibility in terms of type and shapes that the process develops

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Rockaway Beach OR 97136, it is a cheaper way of making plastics. This is because apart from the fact that no pressure is required, the cost of mold preparation is low.
  • A wide array of design options.
    There is no limit to the kind of design one may want to create. The rotational molding process therefore allows for the manufacturing of products that have complex shapes for different purposes.
  • Size.
    The process provides room for the manufacturing of products of any size, large or small. As mentioned earlier, it has few competitors when it comes to the making of large tanks at low costs.
  • Low risk.
    Due to the low costs of creating a mould, the process allows for test runs before one can decide whether to do mass production. It therefore minimizes the risk of losing a lot of investment.
  • Durable products.
    The process allows for even coating of the mould with the heated polymer, giving the product a wall with uniform thickness. It also gives the option of double coating for increased durability. Sometimes metal inserts are placed inside the mould to further strengthen the product.
  • Environmentally friendly.
    There is no waste that could have a negative impact on the environment because the products that cannot be used are reground and reused as polymer.

Examples of Products Made by Rotational Molding

Plastic Products-Rockaway Beach-Rotocasting is a very versatile process, making it possible to create a variety of products for different industries.

  • Agricultural industry– From cattle feeders, water troughs, spray tanks etc.
  • Automotive industry– Filler tubes, dash boards, arm rests, sun visors, air conditioner duct work etc.
  • Furniture– We have plastic cabinets, chairs and tables made from this form of moulding.

There are numerous Oregon plastic products also that have been made for the marine industry, lighting, waste storage and transportation, kayaks etc.

Few Disadvantages – There are nominal disadvantages that have been associated with rotocasting. For instance:

  • – The process is relatively slow when compared to injection moulding.
  • – There is a limitation when it comes to the type of raw material you can use. Only poly based and nylon polymers can be used.
  • – The process comes with an increased cost because the polymer has to be ground to powder form before use.
    These limitations are often overlooked considering that the process is still relatively cheap and offers more in terms of variety when it comes to the finished range of products.

Remember – There are new developments and discoveries that are being made as the world of plastic manufacturing in Rockaway Beach Oregon continuously. For instance, tests are being done to see whether there are other materials that can be used for this process. But so far, rotomoulding offers a good option for the production of a wide range of inexpensive plastic products.

The Rotomoulding Method Components

This moulding process has been used since early times for creatingvseverl products. Egyptians for instance, applied rotocasting systems in the manufacturing of ceramics. The Swiss were also applying this rotation approach to generate hollow chocolate eggs. Some plastic product lines in the USA were created using this approach some time between 1940 and 1950. Because it was looked at to be a rather slow system, the approach has however taken long to catch on

1. Mold readying.
A predetermined volume of polymer in powder form is filled into a hollow mold. The mold is usually made of cast aluminium or sheet steel substance. The color intended for the end goods is pre compounded into the polymer. The most generally used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this type of plastic manufacturing.

Pre-heating of the oven follows, and it can be done by either conduction, convection or sometimes radiation. It is heated to temperatures between 500-700F. The mold with the powdered polymer is then secured and inserted within the oven.

2. The heating and fusion step.
Once within the oven, the mould is turned on two axis so the powdered polymer liquefies from the heat and coats the inside if the mold. The spinning is done gradually, about 20 rotations per min. Something that is crucial at this moment is the period of time the mold will spend inside the oven. If it overstays, the product will lose stability and strength, generating a weak product. If it is removed from the oven too early, the polymer will not have melted properly, which creates bubbles in the finished product.

3. Mold cooling.
When the component has sufficiently spent the enough of time in the oven, it is then removed for cooling. This can be done by air or water, or sometimes a mixture of both which generates a cool mist. When the product cools, it shrinks somewhat for ease of extraction from the mould. This is one more procedure that depends a lot on the correct timing, since quick cooling decreases the material too quickly, causing warping of the material.

4. The unloading or de-molding step.
Once the product within te mould has cooled properly, the person handling the process can then take out the completed product from the mold. The procedure is repeated from the start, making a series of similar product lines.

For more information on the different rotational rotomolding options offered for the Rockaway Beach OR 97136 area, please call our toll free number  866-971-7861 or fill out the form on the right for a consultation!

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