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

rotomoulding-Mapleton-Rotational molding pertains to a plastic production practice that generates hollow stress-free items. The technique depends on high temperatures and bi axial rotation to come up with seamless, one piece products that have a variety of designs, sizes and colors. This technique is also known as rotomoulding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl styles.

The benefit that makes this different from other plastic manufacturing methods that no pressure is involved. It also has few competitors when it comes down to the creation of large size hollow items which are long lasting and inexpensive.There is a wide variety of product lines that are developed by this process including large water tanks, automobile items, complex shaped medical items, recreation equipment, toys, canoes, industrialized equipment among many others.This is due to the flexibility in regards to style and forms that the process develops

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Mapleton OR 97453, 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 rotomoulding 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 Manufacturing-Mapleton-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 Mapleton 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 Rotomolding Procedure Components

This molding method has been used since earlier times for creatingvseverl products. Egyptians as an example, utilized rotational molding solutions in the producing of ceramics. The Swiss were also making use of this rotation approach to create hollow chocolate eggs. Some plastic product lines in the USA were developed using this procedure some time between 1940 and 1950. Given that it was regarded to be a rather slow technique, the process has however taken long to become popular

1. Mould fitting.
A predetermined volume of polymer in grain form is filled into a hollow mould. The mould is usually comprised of cast aluminium or sheet steel material. The color tone chosen for the final product is pre compounded into the polymer. The most commonly used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this type of plastic engineering.

Pre-heating of the oven starts, and it may be done by either conduction, convection or sometimes radiation. It is heated to temperatures between 500-700F. The mould with the powdered polymer is then sealed and inserted inside the oven.

2. The heating up and fusion step.
Once inside the oven, the mold is revolved on two axis so the powdered polymer melts from the heat and coats the inside if the mould. The rotation is done slowly, about 20 spins per min. The main thing that is vital at this moment is the period of time the mould will spend within the oven. If it overstays, the product will lose stability and strength, generating a weak item. If it is removed from the oven prematurely, the polymer will not have flowed properly, which generates bubbles in the finished product.

3. Mold cooling down.
When the material has completely spent the enough of time in the oven, it is then taken out for cooling. This can be done by air or water, or sometimes a mixture of both which a cool mist. When the component cools, it reduces somewhat for ease of removal from the mould. This is yet another step that relies a lot on the correct timing, since rapid cooling decreases the material too quickly, causing warping of the item.

4. The offloading or de-molding phase.
When the component within te mould has cooled successfully, the person taking care of the procedure can then remove the finalized product from the mold. The function is repeated from the start, providing a series of exact items.

For more information on the different rotational rotomolding options offered for the Mapleton OR 97453 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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