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

rotocasting-Addison-Rotational molding pertains to a plastic production technique that generates hollow stress-free products. The method uses high temperatures and bi axial rotation to follow up with seamless, one piece objects that have several shapes, colors and sizes. This method is also called roto-molding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl styles.

The function that makes this different from other plastic manufacturing methods in that no pressure is required. It also has few rivals when it comes down to the manufacture of large hollow items which are resilient and inexpensive.There is a wide range of items that are created by this process including big water tanks, automobile materials, sophisticated molded medical products, recreation equipment, toys, canoes, commercial equipment among many others.This is due to the versatility in regards to type and forms that the process manufactures

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Addison IL 60101, 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 rotocasting 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-Addison-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 Addison 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 Rotomoulding Procedure in Detail

This molding procedure has been used since ancient times for creatingvseverl items. Egyptians for instance, worked with rotational molding solutions in the of ceramics. The Swiss were also working with this rotation style to create hollow chocolate eggs. Some plastic product lines in the USA were created using this technique some time between 1940 and 1950. Given that it was thought of to be a fairly slow-moving procedure, the procedure has however taken long to become popular

1. Mold prep work.
A fixed quantity of polymer in particle form is loaded into a hollow mould. The mould is usually made of cast aluminium or sheet steel component. The color desired for the final product is pre compounded into the polymer. The most commonly used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this style of plastic production.

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 positioned into the oven.

2. The heating and fusion step.
Once placed into the oven, the mold is rotated on two axis so the powdered polymer liquefies from the heat and coats the inside if the mold. The rotation is done slowly and gradually, about 20 spins per min. One thing that is vital at this moment is the amount of time the mould will spend inside the oven. If it stays to long, the product will lose value and strength, creating a poor item. If it is extracted from the oven prematurely, the polymer will not have flowed properly, which develops bubbles in the finalized item.

3. Mould cooling down.
When the product has completely spent the right amount of time in the oven, it is then taken out for cooling. This can be done by air or water, or sometimes a mixture of both which generates a cool mist. When the product cools, it shrinks a little for ease of removal from the mold. This is an additional step that depends upon a lot on the ideal timing, since quick cooling reduces the material too rapidly, causing warping of the product.

4. The discharging or de-molding phase.
As soon as the product within te mold has cooled properly, the person taking care of the process can then extract the finalized item from the mould. The procedure is repeated from the start, providing a number of exact product lines.

For more information on the different rotational molding options offered for the Addison IL 60101 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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