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

rotomoulding-Greenville-Rotational molding pertains to a plastic production solution that produces hollow stress-free product lines. The function uses high temperatures and bi axial rotation to follow up with seamless, one piece products that have different shapes, colors and sizes. This procedure is also known as roto-molding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl types.

The benefit that makes this different from other plastic manufacturing techniques in that no pressure is needed. It also has few rivals when it comes to the manufacture of sizable hollow items which are long lasting and inexpensive.There is a wide variety of items that are produced by this process including large size water tanks, automobile items, intricate shaped medical items, leisure equipment, toys, kayaks, industrialized 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 Greenville GA 30222, 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 Molding-Greenville-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 Georgia 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 Greenville Georgia 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 Components

This molding process has been used since early times for creatingvseverl products. Egyptians as an example, used rotomoulding systems in the creating of ceramics. The Swiss were also employing this rotation approach to make hollow chocolate eggs. Some plastic products in the USA were created utilizing this procedure some time between 1940 and 1950. The system has however taken long to take affect because it was considered to be a relatively slow-moving process

1. Mold readying.
A predetermined quantity of polymer in powder form is loaded into a hollow mould. The mold is usually crafted from cast aluminium or sheet steel substance. The color wanted for the final item is pre compounded into the polymer. The most generally used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this type of plastic engineering.

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 up and fusion process.
Once inside the oven, the mold is spun on two axis so the powdered polymer melts from the heat and overlays the inside if the mould. The spinning is done slowly and gradually, about 20 spins per min. Something that is important at this moment is the period of time the mold will spend inside the oven. If it stays to long, the material will lose value and durability, producing a poor product. If it is removed from the oven too early, the polymer will not have flowed properly, which generates bubbles in the finished product.

3. Mould cooling.
When the product has sufficiently spent the correct amount of time in the oven, it is then extracted for cooling. This may be done by air or water, or sometimes a mixture of both which a cool mist. When the product cools, it reduces slightly for ease of removal from the mold. This is an additional step that relies a lot on the right timing, since rapid cooling shrinks the material too quickly, causing warping of the material.

4. The un-loading or de-molding step.
As soon as the component inside te mould has cooled successfully, the person managing the operation can then take out the finished item from the mold. The process is repeated from the start, making a number of similar products.

For more information on the different rotational molding options offered for the Greenville GA 30222 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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