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

rotational moulding-Clay Center-Rotational moulding pertains to a plastic manufacturing technique that creates hollow stress-free products. The function utilizes high temperatures and bi axial rotation to follow up with seamless, one piece products that have several forms, colors and sizes. This technique is also called roto-molding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl types.

The component that makes this different from other plastic manufacturing processes that no pressure is involved. It also has few rivals when it comes down to the production of large 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 products, sophisticated shaped medical items, recreation equipment, toys, canoes, commercial equipment among many others.This is because of the versatility in regards to type and forms that the process creates

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Clay Center KS 67432, 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 rotomolding 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-Clay Center-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 Kansas 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 Clay Center Kansas 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 Roto-Molding Process in Detail

This molding process has been used since earlier times for creatingvseverl product lines. Egyptians as an example, employed rotational molding methods in the producing of ceramics. The Swiss were also working with this rotation method to create hollow chocolate eggs. Some plastic products in the USA were developed using this method some time between 1940 and 1950. The procedure has however taken very long to catch on because it was looked at to be a somewhat slow-moving process

1. Mold preparation.
A fixed measure of polymer in particle form is packed into a hollow mould. The mold is usually crafted from cast aluminium or sheet steel component. The coloration desired 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 production.

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

2. The heating and fusion step.
Once placed into the oven, the mold is rotated on two axis so the powdered polymer melts from the heat and overlays the inside if the mould. The turning is done slowly and gradually, about 20 rotations per minute. Something that is vital at this point is the period of time the mold will spend inside the oven. If it stays to long, the product will lose stability and strength, generating a poor item. If it is extracted from the oven too early, the polymer will not have liquefied correctly, which generates bubbles in the completed product.

3. Mold cooling.
When the component 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 generates a cool mist. When the product cools, it reduces somewhat for ease of removal from the mould. This is another step that relies a lot on the correct timing, since rapid cooling shrinks the material too rapidly, causing warping of the item.

4. The offloading or de-molding phase.
Once the material within te mold has cooled correctly, the person handling the procedure can then take out the finished product from the mold. The procedure is repeated from the beginning, providing a series of identical items.

For more information on the different rotational rotomolding options offered for the Clay Center KS 67432 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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