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

rotational moulding-Ashburn-Rotational molding pertains to a plastic manufacturing practice that produces hollow stress-free items. The function relies on high temperatures and bi axial rotation to follow up with seamless, one piece products that have several forms, colors and sizes. This method is also referred to as rotomoulding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl forms.

The component that makes this unique from other plastic manufacturing processes that no pressure is needed. It also has few competitors when it involves the manufacture of large hollow products which are resilient and inexpensive.There is a wide variety of items that are created by this process including large water tanks, automobile items, sophisticated designed medical products, leisure equipment, toys, canoes, industrialized equipment among many others.This is due to the flexibility in terms of type and shapes that the process makes

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Ashburn GA 31714, 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

Custom Molding-Ashburn-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 Georgia 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 Ashburn Georgia 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 Process in Detail

This molding technique has been used since earlier times for creatingvseverl items. Egyptians as an example, utilized rotocasting methods in the of ceramics. The Swiss were also applying this rotation method to generate hollow chocolate eggs. Some plastic products in the USA were manufactured using this technique some time between 1940 and 1950. Since it was considered to be a relatively slow approach, the process has however taken long to catch on

1. Mold fitting.
A predetermined amount of polymer in powder form is filled into a hollow mold. The mould is usually composeded of cast aluminium or sheet steel component. The color wanted for the final product is pre compounded into the polymer. The most often 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 follows, and it can be done by either conduction, convection or sometimes radiation. It is warmed to temperatures between 500-700F. The mould with the powdered polymer is then locked and inserted inside the oven.

2. The heating up and fusion step.
Once within the oven, the mould is turned on two axis so the powdered polymer melts from the heat and coats the inside if the mold. The turning is done slowly, about 20 revolutions per sixty seconds. Something that is important at this moment is the amount of time the mould will spend inside the oven. If it stays to long, the product will lose stability and strength, making a weak product. If it is extracted from the oven too early, the polymer will not have melted correctly, which produces bubbles in the finished item.

3. Mold cooling down.
When the component has sufficiently spent the correct amount of time in the oven, it is then extracted for cooling. This may be done by air or water, or sometimes a mixture of both which generates a cool mist. When the product cools, it shrinks slightly for ease of extraction from the mould. This is yet another step that depends a lot on the right timing, since quick cooling shrinks the material too quickly, causing bending of the item.

4. The removing or de-moulding phase.
As soon as the component inside te mould has cooled correctly, the person handling the procedure can then take out the finalized product from the mould. The technique is repeated from the beginning, providing a number of identical product lines.

For more information on the different rotational molding options offered for the Ashburn GA 31714 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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