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

rotomoulding-Athens-Rotational moulding pertains to a plastic manufacturing technique that makes hollow stress-free items. The function relies on high temperatures and bi axial rotation to come up with seamless, one piece items that have several forms, sizes and colors. This procedure is also known as rotomoulding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl forms.

The component that makes this unique from other plastic manufacturing techniques that no pressure is called for. It also has few contenders when it comes down to the manufacture of large hollow items which are long lasting and inexpensive.There is a variety of items that are generated by this process including large water tanks, automobile items, intricate designed medical products, leisure equipment, toys, kayaks, industrialized equipment among many others.This is due to the versatility in terms of 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 Athens AL 35611, 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

Plastic Products-Athens-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 Alabama 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 Athens Alabama 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 Procedure in Detail

This molding system has been used since early times for creatingvseverl product lines. Egyptians for example, worked with rotational molding procedures in the manufacturing of ceramics. The Swiss were also employing this rotation approach to create hollow chocolate eggs. Some plastic items in the USA were created utilizing this method some time between 1940 and 1950. The procedure has however taken very long to catch on because it was thought of to be a very slow process

1. Mould prep work.
A fixed volume of polymer in grain form is loaded into a hollow mold. The mold is usually constructed from cast aluminium or sheet steel substance. The color chosen for the finished 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 format 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 sealed and installed inside the oven.

2. The heating and fusion process.
Once placed into 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 spinning is done slowly and gradually, about 20 revolutions per min. One thing that is vital at this moment is the period of time the mould will spend within the oven. If it stays to long, the product will lose stability and durability, creating a poor product. If it is taken out from the oven prematurely, the polymer will not have flowed properly, which generates bubbles in the completed product line.

3. Mold cooling.
When the product 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 component cools, it reduces a little for ease of removal from the mould. This is another measure that depends a lot on the right timing, since quick cooling decreases the material too quick, causing warping of the product.

4. The un-loading or de-molding step.
As soon as the component inside te mould has cooled effectively, the molder handling the process can then extract the finalized product from the mould. The function is repeated from the beginning, supplying a series of identical product lines.

For more information on the different rotational rotomolding options offered for the Athens AL 35611 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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