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

rotomoulding-Buffalo Grove-Rotational moulding pertains to a plastic manufacturing method that produces hollow stress-free products. The process relies on high temperatures and bi axial rotation to come up with seamless, one piece items that have a variety of designs, sizes and colors. This procedure is also referred to as roto-molding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl forms.

The attribute that makes this unique from other plastic manufacturing processes because no pressure is involved. It also has few rivals when it comes down to the production of large hollow products which are resilient and inexpensive.There is a variety of items that are created by this process including large water tanks, automobile products, intricate molded medical items, recreation equipment, toys, canoes, commercial equipment among many others.This is because of the versatility in terms of design and shapes that the process manufactures

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Buffalo Grove IL 60089, 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 Products-Buffalo Grove-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 Buffalo Grove 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 Components

This molding process has been used since ancient times for creatingvseverl items. Egyptians for example, worked with rotational molding systems in the of ceramics. The Swiss were also using this rotation design to make hollow chocolate eggs. Some plastic products in the USA were made using this approach some time between 1940 and 1950. The system has however taken very long to catch on because it was thought of to be a moderately slow-moving process

1. Mould preparation.
A predetermined volume of polymer in particle form is loaded into a hollow mould. The mold is usually crafted from cast aluminium or sheet steel component. The colour chosen for the finished goods 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 type of plastic production.

Pre-heating 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 sealed and put within the oven.

2. The heat and fusion step.
Once placed into the oven, the mould is turned on two axis so the powdered polymer melts from the heat and overlays the inside if the mold. The spinning is done slowly and gradually, about 20 spins per min. Something that is essential at this point is the period of time the mold will spend inside the oven. If it overstays, the component will lose value and strength, producing a poor item. If it is extracted from the oven prematurely, the polymer will not have flowed correctly, which develops bubbles in the completed product.

3. Mold cooling down.
When the product has sufficiently spent the enough of time in the oven, it is then extracted for cooling. This can be done by air or water, or sometimes a mixture of both which a cool mist. When the material cools, it reduces somewhat for ease of extraction from the mould. This is yet another step that depends upon a lot on the ideal timing, since rapid cooling shrinks the material too rapidly, causing warping of the material.

4. The discharging or de-molding step.
When the product within te mould has cooled successfully, the molder handling the procedure can then remove the finished product from the mould. The procedure is repeated from the beginning, making a series of identical product lines.

For more information on the different rotational molding options offered for the Buffalo Grove IL 60089 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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