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

rotomoulding-Mount Juliet-Rotational molding refers to a plastic production technique that creates hollow stress-free items. The procedure relies on high temperatures and bi axial rotation to follow up with seamless, one piece products that have many different designs, colors and sizes. This method is also referred to as rotomolding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl forms.

The feature that makes this different from other plastic manufacturing methods in that no pressure is needed. It also has few competitors when it pertains to the creation of large hollow items which are long-lasting and inexpensive.There is a wide variety of products that are produced by this process including large size water tanks, automobile materials, complex designed medical products, leisure equipment, toys, canoes, industrial equipment among many others.This is because of the flexibility in regards to design and forms that the process makes

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Mount Juliet TN 37121, 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 roto-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 Molded-Mount Juliet-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 Tennessee 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 Mount Juliet Tennessee 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 Procedure Components

This moulding system has been used since ancient times for creatingvseverl product lines. Egyptians as an example, worked with rotational molding solutions in the producing of ceramics. The Swiss were also applying this rotation type to make hollow chocolate eggs. Some plastic items in the USA were made using this technique some time between 1940 and 1950. Since it was regarded to be a fairly slow approach, the system has however taken long to catch on

1. Mold fitting.
A predetermined amount of polymer in particle form is filled into a hollow mold. The mold is usually built from cast aluminium or sheet steel component. The color needed for the finished 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 design of plastic assembly.

Pre-heating of the oven starts, and it can 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 secured and installed into the oven.

2. The heat and fusion process.
Once inside the oven, the mould is revolved on two axis so the powdered polymer liquefies from the heat and layers the inside if the mold. The spinning is done gradually, about 20 spins per min. The main thing that is crucial at this moment is the period of time the mould will spend inside the oven. If it stays to long, the material will lose stability and durability, producing a weak item. If it is removed from the oven too early, the polymer will not have liquefied correctly, which produces bubbles in the completed product line.

3. Mould cooling.
When the component has sufficiently spent the right amount of time in the oven, it is then removed 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 reduces somewhat for ease of extraction from the mould. This is one more step that depends upon a lot on the right timing, since rapid cooling shrinks the material too fast, causing bending of the item.

4. The removing or de-molding step.
Once the component inside te mould has cooled effectively, the person handling the process can then remove the finished item from the mould. The procedure is repeated from the beginning, giving a series of exact products.

For more information on the different rotational molding options offered for the Mount Juliet TN 37121 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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