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

rotational molding-Fisher-Rotational moulding pertains to a plastic manufacturing method that produces hollow stress-free items. The function depends on high temperatures and bi axial rotation to follow up with seamless, one piece items that have various shapes, colors and sizes. This technique is also referred to as rotomolding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl styles.

The feature that makes this unique from other plastic manufacturing processes that no pressure is involved. It also has few competitors when it comes down to the manufacture of sizable hollow products which are resilient and inexpensive.There is a variety of product lines that are created by this process including large size water tanks, automobile materials, intricate shaped medical products, recreation equipment, toys, canoes, commercial equipment among many others.This is because of the versatility in terms of style and forms that the process produces

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Fisher IL 61843, 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 rotomoulding 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 Molded-Fisher-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 Fisher 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 Components

This molding process has been used since earlier times for creatingvseverl items. Egyptians for instance, worked with rotocasting solutions in the manufacturing of ceramics. The Swiss were also employing this rotation type to generate hollow chocolate eggs. Some plastic products in the USA were made utilizing this technique some time between 1940 and 1950. The process has however taken long to take affect because it was looked at to be a pretty slow process

1. Mould readying.
A fixed quantity of polymer in powder form is filled into a hollow mold. The mould is usually constructed from cast aluminium or sheet steel material. The coloration 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 follows, and it can 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 locked and inserted into the oven.

2. The heating up and fusion process.
Once within the oven, the mold is spun on two axis so the powdered polymer melts from the heat and layers the inside if the mold. The turning is done slowly and gradually, about 20 rotations per sixty seconds. The main thing that is important at this point is the period of time the mold will spend inside the oven. If it stays to long, the material will lose value and strength, generating a weak item. If it is extracted from the oven prematurely, the polymer will not have melted properly, which develops bubbles in the finished product.

3. Mold cooling down.
When the product has completely spent the enough 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 generates a cool mist. When the material cools, it reduces somewhat for ease of removal from the mold. This is an additional step that depends upon a lot on the ideal timing, since rapid cooling decreases the material too quick, causing warping of the product.

4. The un-loading or de-molding phase.
As soon as the material within te mould has cooled adequately, the person handling the operation can then remove the completed item from the mold. The technique is repeated from the start, supplying a number of identical products.

For more information on the different rotational molding options offered for the Fisher IL 61843 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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