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

rotational molding-Mapleton-Rotational molding refers to a plastic manufacturing method that generates hollow stress-free items. The method relies on high temperatures and bi axial rotation to follow up with seamless, one piece products that have different forms, colors and sizes. This technique is also referred to as roto-molding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The benefit that makes this unique from other plastic manufacturing processes because no pressure is involved. It also has few competitors when it involves the creation of large hollow items which are resilient and inexpensive.There is a variety of product lines that are produced by this process including large size water tanks, automobile products, sophisticated shaped medical products, recreation equipment, toys, kayaks, industrial equipment among many others.This is due to the flexibility in regards to 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 Mapleton IL 61547, 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 Manufacturing-Mapleton-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 Mapleton 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 Method in Detail

This moulding technique has been used since early times for creatingvseverl product lines. Egyptians for instance, utilized roto-molding systems in the of ceramics. The Swiss were also employing this rotation technique to generate hollow chocolate eggs. Some plastic products in the USA were created using this technique some time between 1940 and 1950. Considering that it was looked at to be a basically slow-moving process, the approach has however taken long to become popular

1. Mold prep work.
A predetermined measure of polymer in grain form is loaded into a hollow mold. The mould is usually crafted from cast aluminium or sheet steel substance. The color tone desired for the end goods 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 design of plastic manufacturing.

Preheating of the oven follows, and it can be done by either conduction, convection or sometimes radiation. It is heated to temperatures between 500-700F. The mould with the powdered polymer is then sealed and positioned inside the oven.

2. The heating up and fusion process.
Once inside 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 rotation is done gradually, about 20 revolutions per min. One thing that is critical at this moment is the period of time the mold will spend inside the oven. If it stays to long, the component will lose stability and strength, making a poor product. If it is removed from the oven prematurely, the polymer will not have flowed properly, which produces bubbles in the finished product line.

3. Mold cooling.
When the component has completely spent the enough of time in the oven, it is then extracted 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 reduces a little for ease of extraction from the mold. This is another step that relies a lot on the correct timing, since rapid cooling decreases the material too quickly, causing warping of the product.

4. The offloading or de-moulding phase.
When the component within te mould has cooled successfully, the person managing the process can then extract the finalized item from the mold. The function is repeated from the start, supplying a number of similar items.

For more information on the different rotational molding options offered for the Mapleton IL 61547 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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