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

rotomolding-Farmington-Rotational molding refers to a plastic production solution that produces hollow stress-free items. The function depends on high temperatures and bi axial rotation to come up with seamless, one piece objects that have a variety of forms, sizes and colors. This procedure is also referred to as roto-molding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl forms.

The attribute that makes this different from other plastic manufacturing processes because no pressure is called for. It also has few rivals when it comes down to the production of sizable hollow products which are long lasting and inexpensive.There is a wide range of items that are generated by this process including large size water tanks, automobile items, sophisticated designed medical products, leisure equipment, toys, kayaks, commercial equipment among many others.This is due to the versatility in terms of design and shapes that the process produces

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Farmington IL 61531, 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-Farmington-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 Farmington 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 Components

This molding process has been used since early times for creatingvseverl product lines. Egyptians as an example, applied rotocasting procedures in the of ceramics. The Swiss were also employing this rotation type to generate hollow chocolate eggs. Some plastic items in the USA were developed using this method some time between 1940 and 1950. The system has however taken very long to catch on because it was thought of to be a somewhat slow-moving process

1. Mould preparation.
A predetermined quantity of polymer in grain form is loaded into a hollow mold. The mould is usually crafted from cast aluminium or sheet steel component. The color needed for the end product is pre compounded into the polymer. The most typically used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this design of plastic production.

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 secured and positioned inside the oven.

2. The heating up and fusion phase.
Once placed into the oven, the mold is spun on two axis so the powdered polymer melts from the heat and layers the inside if the mold. The rotation is done gradually, about 20 spins per minute. One thing that is vital at this moment is the period of time the mould will spend within the oven. If it overstays, the product will lose stability and strength, making a poor item. If it is extracted from the oven prematurely, the polymer will not have flowed properly, which generates bubbles in the finalized item.

3. Mold cooling down.
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 product cools, it shrinks slightly for ease of removal from the mould. This is yet another measure that depends a lot on the ideal timing, since quick cooling shrinks the material too quickly, causing warping of the product.

4. The offloading or de-molding phase.
As soon as the component inside te mould has cooled properly, the molder taking care of the process can then remove the completed product from the mold. The function is repeated from the beginning, providing a series of identical product lines.

For more information on the different rotational molding options offered for the Farmington IL 61531 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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