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

rotational molding-Springfield-Rotational moulding pertains to a plastic production solution that creates hollow stress-free product lines. The procedure relies upon high temperatures and bi axial rotation to follow up with seamless, one piece products that have many different designs, sizes and colors. This method is also known as rotomolding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl types.

The feature that makes this different from other plastic manufacturing methods in that no pressure is called for. It also has few contenders when it pertains to the production of sizable hollow items which are long lasting and inexpensive.There is a wide range of items that are created by this process including large size water tanks, automobile items, intricate designed medical products, leisure equipment, toys, canoes, industrialized equipment among many others.This is because of the versatility in regards to style and shapes that the process creates

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Springfield VA 22150, 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 rotocasting 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 Molded-Springfield-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 Virginia 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 Springfield Virginia 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 Process in Detail

This moulding procedure has been used since early times for creatingvseverl products. Egyptians for example, used rotomoulding methods in the of ceramics. The Swiss were also working with this rotation approach to generate hollow chocolate eggs. Some plastic items in the USA were made using this approach some time between 1940 and 1950. Because it was regarded to be a relatively slow procedure, the technique has however taken long to become popular

1. Mould preparation.
A fixed measure of polymer in grain form is packed into a hollow mold. The mold is usually made of cast aluminium or sheet steel material. The colour chosen for the finished 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 design of plastic manufacturing.

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

2. The heat and fusion step.
Once placed into the oven, the mold is revolved on two axis so the powdered polymer melts from the heat and layers the inside if the mould. The spinning is done slowly and gradually, about 20 spins per minute. One thing that is essential at this moment is the period of time the mold will spend within the oven. If it stays to long, the component will lose stability and strength, producing a poor product. If it is taken out from the oven too early, the polymer will not have liquefied properly, which generates bubbles in the finalized product.

3. Mold cooling down.
When the product has completely spent the enough 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 a cool mist. When the material cools, it shrinks somewhat for ease of removal from the mold. This is an additional procedure that relies a lot on the ideal timing, since quick cooling shrinks the material too rapidly, causing warping of the product.

4. The discharging or de-moulding step.
As soon as the material within te mold has cooled properly, the person handling the operation can then extract the finished product from the mold. The function is repeated from the beginning, providing a series of similar items.

For more information on the different rotational rotomolding options offered for the Springfield VA 22150 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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