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

rotational molding-Elliott-Rotational moulding refers to a plastic manufacturing procedure that produces hollow stress-free products. The process depends on high temperatures and bi axial rotation to follow up with seamless, one piece items that have various forms, colors and sizes. This technique is also referred to as rotomoulding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl types.

The attribute that makes this different from other plastic manufacturing techniques in that no pressure is required. It also has few rivals when it comes down to the creation of large hollow items which are long-lasting and inexpensive.There is a variety of product lines that are created by this process including large water tanks, automobile items, sophisticated molded medical items, leisure equipment, toys, canoes, industrial equipment among many others.This is because of the versatility in terms of style and forms that the process creates

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Elliott MS 38926, 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 Molding-Elliott-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 Mississippi 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 Elliott Mississippi 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 process has been used since ancient times for creatingvseverl product lines. Egyptians as an example, used rotocasting techniques in the manufacturing of ceramics. The Swiss were also working with this rotation style to make hollow chocolate eggs. Some plastic products in the USA were developed using this technique some time between 1940 and 1950. The technique has however taken long to catch on because it was considered to be a relatively slow-moving process

1. Mould preparation.
A predetermined quantity of polymer in powder form is loaded into a hollow mould. The mold is usually constructed from cast aluminium or sheet steel material. 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 production.

Preheating of the oven follows, and it can 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 secured and installed inside the oven.

2. The heat and fusion step.
Once inside the oven, the mold is rotated on two axis so the powdered polymer melts from the heat and overlays the inside if the mold. The spinning is done slowly and gradually, about 20 revolutions per minute. One thing that is critical at this moment is the period of time the mould will spend within the oven. If it stays to long, the material will lose value and strength, making a weak item. If it is removed from the oven too early, the polymer will not have flowed correctly, which develops bubbles in the finalized product line.

3. Mould cooling.
When the component has completely 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 component cools, it shrinks somewhat for ease of removal from the mould. This is another step that depends upon a lot on the right timing, since quick cooling decreases the material too rapidly, causing warping of the material.

4. The unloading or de-moulding phase.
When the material inside te mould has cooled effectively, the molder handling the procedure can then remove the finished product from the mold. The procedure is repeated from the beginning, making a number of identical product lines.

For more information on the different rotational rotomolding options offered for the Elliott MS 38926 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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