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

roto-molding-Clemmons-Rotational molding refers to a plastic manufacturing solution that produces hollow stress-free items. The technique utilizes high temperatures and bi axial rotation to follow up with seamless, one piece products that have varying designs, colors and sizes. This procedure is also known as rotomoulding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The function that makes this different from other plastic manufacturing procedures in that no pressure is involved. It also has few rivals when it involves the creation of large hollow products which are resilient and inexpensive.There is a variety of product lines that are produced by this process including big water tanks, automobile items, sophisticated molded medical items, leisure equipment, toys, canoes, industrial equipment among many others.This is due to the flexibility in regards to style 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 Clemmons NC 27012, 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 moulding 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-Clemmons-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 North Carolina 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 Clemmons North Carolina 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 Rotomolding Process Components

This molding operation has been used since ancient times for creatingvseverl items. Egyptians for example, employed rotomoulding systems in the producing of ceramics. The Swiss were also using this rotation style to create hollow chocolate eggs. Some plastic items in the USA were created using this technique some time between 1940 and 1950. The process has however taken long to catch on because it was considered as being a pretty slow process

1. Mould preparation.
A predetermined volume of polymer in powder form is loaded into a hollow mould. The mould is usually composeded of cast aluminium or sheet steel component. The colour needed 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 style 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 mold with the powdered polymer is then sealed and placed into the oven.

2. The heating and fusion phase.
Once inside the oven, the mold is revolved on two axis so the powdered polymer melts from the heat and coats the inside if the mould. The rotation is done gradually, about 20 spins per sixty seconds. One thing that is essential at this moment is the amount of time the mould will spend within the oven. If it stays to long, the material will lose stability and strength, generating a faulty item. If it is extracted from the oven too early, the polymer will not have melted properly, which creates bubbles in the finalized product line.

3. Mould cooling down.
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 creates a cool mist. When the material cools, it reduces slightly for ease of extraction from the mould. This is another step that relies a lot on the right timing, since rapid cooling reduces the material too fast, causing warping of the material.

4. The unloading or de-moulding phase.
As soon as the component within te mould has cooled properly, the person handling the operation can then remove the finished product from the mould. The procedure is repeated from the start, providing a number of similar product lines.

For more information on the different rotational rotomolding options offered for the Clemmons NC 27012 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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