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

roto-molding-Naoma-Rotational molding refers to a plastic production practice that creates hollow stress-free products. The procedure uses high temperatures and bi axial rotation to follow up with seamless, one piece items that have several forms, sizes and colors. This method is also known as roto-molding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl types.

The attribute that makes this unique from other plastic manufacturing processes that no pressure is involved. It also has few contenders when it pertains to the creation of large hollow items which are long-lasting and inexpensive.There is a wide variety of product lines that are generated by this process including big water tanks, automobile products, intricate designed medical items, recreation equipment, toys, canoes, industrialized equipment among many others.This is because of the versatility in regards to design 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 Naoma WV 25140, 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 Molding-Naoma-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 West 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 Naoma West 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 Roto-Molding Process in Detail

This molding technique has been used since ancient times for creatingvseverl products. Egyptians for instance, utilized roto-molding systems in the manufacturing of ceramics. The Swiss were also applying this rotation approach to create hollow chocolate eggs. Some plastic product lines in the USA were developed utilizing this method some time between 1940 and 1950. The system has however taken long to catch on because it was thought of as being a very slow process

1. Mould preparation.
A fixed quantity of polymer in particle form is packed into a hollow mould. The mold is usually crafted from cast aluminium or sheet steel substance. The colour chosen for the final item 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 format of plastic assembly.

Preheating 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 locked and installed within the oven.

2. The heating and fusion procedure.
Once inside the oven, the mold is spun on two axis so the powdered polymer melts from the heat and layers the inside if the mold. The spinning is done slowly, about 20 revolutions per sixty seconds. Something that is vital at this point is the amount of time the mold will spend inside the oven. If it overstays, the component will lose value and durability, producing a poor item. If it is removed from the oven prematurely, the polymer will not have flowed correctly, which produces bubbles in the finalized product line.

3. Mold cooling.
When the component has sufficiently spent the correct amount 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 creates a cool mist. When the component cools, it shrinks somewhat for ease of removal from the mould. This is another step that depends a lot on the right timing, since quick cooling shrinks the material too quickly, causing warping of the product.

4. The offloading or de-moulding step.
As soon as the product inside te mold has cooled effectively, the molder handling the operation can then remove the finalized item from the mould. The process is repeated from the start, providing a number of similar products.

For more information on the different rotational rotomolding options offered for the Naoma WV 25140 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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