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

rotomolding-Colchester-Rotational moulding refers to a plastic production procedure that creates hollow stress-free items. The technique utilizes high temperatures and bi axial rotation to follow up with seamless, one piece objects that have many different designs, colors and sizes. This method is also called rotomolding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl forms.

The attribute that makes this different from other plastic manufacturing procedures that no pressure is needed. It also has few rivals when it pertains to the creation of large size hollow items which are long-lasting and inexpensive.There is a wide variety of items that are developed by this process including large water tanks, automobile items, sophisticated shaped medical items, recreation equipment, toys, canoes, industrial equipment among many others.This is because of the versatility in regards to design 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 Colchester IL 62326, 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 rotomolding 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-Colchester-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 Colchester 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 process has been used since early times for creatingvseverl product lines. Egyptians for example, worked with rotocasting systems in the of ceramics. The Swiss were also utilizing this rotation type to make hollow chocolate eggs. Some plastic items in the USA were manufactured utilizing this approach some time between 1940 and 1950. The procedure has however taken long to catch on because it was considered as being a very slow-moving process

1. Mold fitting.
A predetermined measure of polymer in particle form is loaded into a hollow mould. The mold is usually made from cast aluminium or sheet steel substance. The color tone chosen 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 engineering.

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 mould with the powdered polymer is then sealed and installed into the oven.

2. The heating and fusion procedure.
Once within the oven, the mould is rotated on two axis so the powdered polymer melts from the heat and overlays the inside if the mold. The spinning is done gradually, about 20 rotations per minute. Something that is vital at this point is the amount of time the mould will spend within the oven. If it overstays, the material will lose stability and durability, producing a poor item. If it is removed from the oven prematurely, the polymer will not have liquefied properly, which develops bubbles in the finished product line.

3. Mould cooling.
When the material has completely 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 a cool mist. When the component cools, it shrinks slightly for ease of removal from the mold. This is one more procedure that depends a lot on the right timing, since quick cooling shrinks the material too quick, causing warping of the product.

4. The discharging or de-molding step.
Once the component inside te mold has cooled adequately, the molder managing the process can then remove the finished item from the mould. The procedure is repeated from the beginning, making a series of exact products.

For more information on the different rotational molding options offered for the Colchester IL 62326 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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