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

rotomolding-Beaufort-Rotational moulding pertains to a plastic production solution that creates hollow stress-free product lines. The process utilizes high temperatures and bi axial rotation to follow up with seamless, one piece items that have a wide range of designs, sizes and colors. This procedure is also known as rotomolding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl forms.

The function that makes this different from other plastic manufacturing techniques that no pressure is involved. It also has few contenders when it pertains to the manufacture of large size hollow products which are durable and inexpensive.There is a wide range of product lines that are generated by this process including big water tanks, automobile products, intricate designed medical products, leisure equipment, toys, kayaks, industrialized equipment among many others.This is because of the flexibility in regards to design and shapes that the process manufactures

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Beaufort NC 28516, 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

Custom Molding-Beaufort-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 Beaufort 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 Roto-Molding Procedure in Detail

This molding system has been used since ancient times for creatingvseverl product lines. Egyptians for instance, employed rotomoulding procedures in the creating of ceramics. The Swiss were also employing this rotation technique to make hollow chocolate eggs. Some plastic items in the USA were made using this technique some time between 1940 and 1950. Due to the fact that it was considered to be a basically slow-moving process, the approach has however taken long to catch on

1. Mould readying.
A fixed volume of polymer in grain form is packed into a hollow mold. The mold is usually made of cast aluminium or sheet steel material. The colour desired for the finished product 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 type of plastic manufacturing.

Preheating of the oven follows, and it can be done by either conduction, convection or sometimes radiation. It is warmed to temperatures between 500-700F. The mould with the powdered polymer is then sealed and installed within the oven.

2. The heating up and fusion process.
Once inside the oven, the mold is spun on two axis so the powdered polymer liquefies from the heat and coats the inside if the mold. The spinning is done gradually, about 20 revolutions per sixty seconds. The main thing that is essential at this moment is the period of time the mold will spend within the oven. If it stays to long, the material will lose stability and durability, making a poor item. If it is taken out from the oven too early, the polymer will not have flowed properly, which creates bubbles in the completed item.

3. Mould cooling.
When the material has sufficiently spent the right amount of time in the oven, it is then removed for cooling. This can be done by air or water, or sometimes a mixture of both which generates a cool mist. When the material cools, it reduces a little for ease of extraction from the mold. This is one more step that depends upon a lot on the ideal timing, since rapid cooling shrinks the material too rapidly, causing warping of the item.

4. The un-loading or de-moulding step.
Once the product within te mold has cooled correctly, the molder taking care of the procedure can then remove the completed product from the mold. The technique is repeated from the start, giving a series of exact items.

For more information on the different rotational rotomolding options offered for the Beaufort NC 28516 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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