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

rotocasting-Apple River-Rotational moulding pertains to a plastic production technique that makes hollow stress-free product lines. The procedure utilizes high temperatures and bi axial rotation to follow up with seamless, one piece products that have different shapes, sizes and colors. This technique is also called rotomoulding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl forms.

The feature that makes this unique from other plastic manufacturing techniques because no pressure is needed. It also has few rivals when it pertains to the production of sizable hollow products which are long lasting and inexpensive.There is a wide range of products that are generated by this process including large water tanks, automobile products, sophisticated designed medical items, recreation equipment, toys, canoes, industrial equipment among many others.This is because of the versatility in terms of style and shapes that the process makes

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Apple River IL 61001, 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 roto-molding 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-Apple River-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 Apple River 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 Procedure Components

This molding process has been used since ancient times for creatingvseverl products. Egyptians for instance, worked with rotocasting procedures in the creating of ceramics. The Swiss were also employing this rotation technique to make hollow chocolate eggs. Some plastic products in the USA were developed utilizing this method some time between 1940 and 1950. The system has however taken very long to catch on because it was thought of to be a very slow-moving process

1. Mold preparation.
A predetermined amount of polymer in powder form is filled into a hollow mold. The mould is usually composeded of cast aluminium or sheet steel component. The coloration desired for the final item 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 type of plastic assembly.

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 mold with the powdered polymer is then secured and put within the oven.

2. The heating and fusion procedure.
Once inside the oven, the mould is turned on two axis so the powdered polymer liquefies from the heat and layers the inside if the mold. The spinning is done slowly and gradually, about 20 revolutions per min. The main thing that is important at this moment is the period of time the mould will spend inside the oven. If it stays to long, the product will lose value and durability, making a weak product. If it is extracted from the oven prematurely, the polymer will not have flowed properly, which generates bubbles in the finalized product.

3. Mould cooling.
When the product has completely spent the correct amount 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 a cool mist. When the product cools, it reduces somewhat for ease of extraction from the mould. This is an additional measure that depends a lot on the correct timing, since quick cooling reduces the material too quickly, causing warping of the product.

4. The un-loading or de-moulding step.
When the component within te mold has cooled adequately, the person taking care of the process can then remove the finished item from the mold. The process is repeated from the beginning, providing a series of exact product lines.

For more information on the different rotational molding options offered for the Apple River IL 61001 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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