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

rotational molding-Fairfield-Rotational moulding pertains to a plastic manufacturing method that creates hollow stress-free product lines. The method depends on high temperatures and bi axial rotation to follow up with seamless, one piece products that have varying designs, sizes and colors. This procedure is also referred to as rotomoulding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl forms.

The function that makes this unique from other plastic manufacturing methods that no pressure is required. It also has few contenders when it comes to the production of large hollow products which are long-lasting and inexpensive.There is a wide range of products that are generated by this process including large water tanks, automobile materials, intricate molded medical products, leisure equipment, toys, canoes, industrialized equipment among many others.This is due to the versatility in terms of design 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 Fairfield IL 62837, 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 Molding-Fairfield-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 Illinois 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 Fairfield Illinois 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 Rotomolding Procedure in Detail

This moulding method has been used since ancient times for creatingvseverl products. Egyptians for example, applied rotational molding solutions in the producing of ceramics. The Swiss were also working with this rotation approach to generate hollow chocolate eggs. Some plastic items in the USA were made utilizing this technique some time between 1940 and 1950. The process has however taken long to catch on because it was looked at as being a very slow process

1. Mould preparation.
A fixed measure of polymer in particle form is loaded into a hollow mold. The mould is usually crafted from cast aluminium or sheet steel material. The coloration needed for the finished goods 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 assembly.

Pre-heating of the oven starts, and it can be done by either conduction, convection or sometimes radiation. It is heated to temperatures between 500-700F. The mould with the powdered polymer is then secured and positioned inside the oven.

2. The heat and fusion step.
Once within the oven, the mould is revolved on two axis so the powdered polymer melts from the heat and coats the inside if the mold. The rotation is done slowly, about 20 rotations per min. The main thing that is vital at this moment is the amount of time the mold will spend within the oven. If it stays to long, the material will lose value and durability, generating a weak item. If it is removed from the oven prematurely, the polymer will not have liquefied properly, which creates bubbles in the finalized product.

3. Mould cooling.
When the component has sufficiently spent the enough of time in the oven, it is then taken out for cooling. This may be done by air or water, or sometimes a mixture of both which creates a cool mist. When the product cools, it shrinks somewhat for ease of removal from the mould. This is one more procedure that depends upon a lot on the ideal timing, since rapid cooling decreases the material too quick, causing bending of the item.

4. The removing or de-moulding phase.
When the component within te mold has cooled successfully, the person taking care of the process can then take out the finished item from the mould. The function is repeated from the beginning, giving a number of exact items.

For more information on the different rotational molding options offered for the Fairfield IL 62837 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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