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

rotomolding-Orangeburg-Rotational molding refers to a plastic production practice that makes hollow stress-free items. The technique relies upon high temperatures and bi axial rotation to follow up with seamless, one piece items that have several designs, sizes and colors. This method is also referred to as rotomolding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl forms.

The component that makes this unique from other plastic manufacturing procedures because no pressure is called for. It also has few rivals when it involves the creation of sizable hollow items which are durable and inexpensive.There is a wide range of product lines that are created by this process including large size water tanks, automobile products, intricate molded medical products, recreation equipment, toys, canoes, industrialized equipment among many others.This is due to the versatility in regards to type and forms that the process develops

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Orangeburg SC 29115, 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

Plastic Products-Orangeburg-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 South 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 Orangeburg South 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 Rotomoulding Process in Detail

This moulding technique has been used since ancient times for creatingvseverl products. Egyptians for example, used rotomoulding techniques in the manufacturing of ceramics. The Swiss were also utilizing this rotation method to make hollow chocolate eggs. Some plastic items in the USA were manufactured utilizing this procedure some time between 1940 and 1950. The technique has however taken very long to catch on because it was looked at to be a somewhat slow process

1. Mould readying.
A predetermined volume of polymer in particle form is filled into a hollow mold. The mould is usually comprised of cast aluminium or sheet steel material. The color needed for the final 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 may be done by either conduction, convection or sometimes radiation. It is warmed to temperatures between 500-700F. The mold with the powdered polymer is then secured and put inside the oven.

2. The heating and fusion process.
Once inside the oven, the mould is rotated on two axis so the powdered polymer liquefies from the heat and layers the inside if the mould. The turning is done slowly, about 20 rotations per min. One thing that is important at this moment is the period of time the mold will spend inside the oven. If it stays to long, the component will lose stability and durability, generating a weak item. If it is removed from the oven prematurely, the polymer will not have melted properly, which generates bubbles in the finished product line.

3. Mould cooling.
When the component has sufficiently spent the correct 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 generates a cool mist. When the material cools, it reduces a little for ease of extraction from the mould. This is an additional step that depends upon a lot on the correct timing, since quick cooling shrinks the material too quick, causing warping of the product.

4. The discharging or de-moulding phase.
As soon as the component inside te mould has cooled effectively, the person managing the operation can then extract the finalized product from the mould. The technique is repeated from the start, giving a series of identical product lines.

For more information on the different rotational rotomolding options offered for the Orangeburg SC 29115 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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