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

rotational moulding-Corbin-Rotational moulding pertains to a plastic manufacturing practice that produces hollow stress-free products. The function utilizes high temperatures and bi axial rotation to follow up with seamless, one piece products that have varying forms, colors and sizes. This technique is also known as rotomolding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl forms.

The function that makes this unique from other plastic manufacturing processes in that no pressure is called for. It also has few competitors when it involves the production of sizable hollow items which are long-lasting and inexpensive.There is a wide variety of product lines that are generated by this process including large size water tanks, automobile products, complex shaped medical items, leisure equipment, toys, kayaks, commercial equipment among many others.This is due to the versatility in regards to style 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 Corbin KY 40701, 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-Corbin-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 Kentucky 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 Corbin Kentucky 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 Method in Detail

This moulding technique has been used since earlier times for creatingvseverl items. Egyptians for example, used rotational molding techniques in the producing of ceramics. The Swiss were also utilizing this rotation technique to create hollow chocolate eggs. Some plastic products in the USA were created using this technique some time between 1940 and 1950. Given that it was regarded to be a rather slow process, the approach has however taken long to become popular

1. Mould preparation.
A fixed amount of polymer in powder form is packed into a hollow mold. The mould is usually constructed from cast aluminium or sheet steel substance. The color tone desired for the end item 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 assembly.

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

2. The heat and fusion process.
Once placed into the oven, the mould is revolved on two axis so the powdered polymer melts from the heat and layers the inside if the mould. The turning is done slowly and gradually, about 20 spins per sixty seconds. The main thing that is crucial at this point is the amount of time the mold will spend inside the oven. If it overstays, the component will lose value and strength, creating a faulty item. If it is taken out from the oven too early, the polymer will not have liquefied correctly, which generates bubbles in the completed item.

3. Mold cooling.
When the material has completely spent the correct amount of time in the oven, it is then taken out for cooling. This may be done by air or water, or sometimes a mixture of both which generates a cool mist. When the material cools, it shrinks a little for ease of removal from the mould. This is another step that depends a lot on the ideal timing, since rapid cooling decreases the material too quickly, causing bending of the material.

4. The unloading or de-moulding phase.
As soon as the component inside te mould has cooled properly, the person managing the process can then remove the finalized product from the mold. The process is repeated from the beginning, giving a series of exact products.

For more information on the different rotational molding options offered for the Corbin KY 40701 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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