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

rotomolding-Brookfield-Rotational molding pertains to a plastic production practice that creates hollow stress-free product lines. The function depends on high temperatures and bi axial rotation to come up with seamless, one piece items that have many different shapes, colors and sizes. This method is also called roto-molding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl forms.

The function that makes this unique from other plastic manufacturing methods that no pressure is needed. It also has few competitors when it involves the production of sizable hollow items which are durable and inexpensive.There is a wide variety of product lines that are generated by this process including large water tanks, automobile products, complex molded medical items, leisure equipment, toys, kayaks, industrialized equipment among many others.This is due to the versatility in regards to style and forms that the process makes

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Brookfield IL 60513, 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

Custom Molding-Brookfield-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 Brookfield 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 Roto-Molding Process in Detail

This moulding procedure has been used since earlier times for creatingvseverl items. Egyptians for example, used roto-molding methods in the producing of ceramics. The Swiss were also making use of this rotation design to create hollow chocolate eggs. Some plastic product lines in the USA were made using this approach some time between 1940 and 1950. The procedure has however taken long to take affect because it was looked at as being a rather slow-moving process

1. Mould fitting.
A predetermined amount of polymer in powder form is filled into a hollow mold. The mould is usually comprised of cast aluminium or sheet steel substance. The color tone intended 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 manufacturing.

Pre-heating of the oven starts, and it can be done by either conduction, convection or sometimes radiation. It is heated up to temperatures between 500-700F. The mold with the powdered polymer is then locked and placed into the oven.

2. The heating and fusion step.
Once within 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 spinning is done gradually, about 20 rotations per minute. One thing that is vital at this moment is the period of time the mold will spend within the oven. If it stays to long, the material will lose stability and durability, making a weak product. If it is taken out from the oven prematurely, the polymer will not have flowed correctly, which generates bubbles in the completed item.

3. Mould cooling.
When the product has completely spent the enough of time in the oven, it is then removed for cooling. This can be done by air or water, or sometimes a mixture of both which generates a cool mist. When the component cools, it shrinks slightly for ease of extraction from the mold. This is yet another step that relies a lot on the ideal timing, since quick cooling decreases the material too fast, causing bending of the item.

4. The unloading or de-molding phase.
When the product inside te mould has cooled successfully, the person managing the process can then extract the finished item from the mould. The technique is repeated from the start, providing a series of exact products.

For more information on the different rotational molding options offered for the Brookfield IL 60513 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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