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

rotocasting-Franklin Park-Rotational moulding refers to a plastic production practice that generates hollow stress-free products. The procedure utilizes high temperatures and bi axial rotation to come up with seamless, one piece products that have different designs, colors and sizes. This technique is also known as roto-molding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl styles.

The component that makes this unique from other plastic manufacturing methods that no pressure is needed. It also has few rivals when it comes down to the manufacture of sizable hollow items which are durable and inexpensive.There is a wide variety of items that are generated by this process including large size water tanks, automobile products, complex shaped medical items, recreation equipment, toys, kayaks, industrial equipment among many others.This is due to the versatility in terms of design and forms that the process develops

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Franklin Park IL 60131, 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 rotomolding 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 Molding-Franklin Park-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 Franklin Park 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 Components

This moulding system has been used since earlier times for creatingvseverl product lines. Egyptians for instance, utilized rotational molding techniques in the making of ceramics. The Swiss were also working with this rotation method to generate hollow chocolate eggs. Some plastic product lines in the USA were developed utilizing this procedure some time between 1940 and 1950. The process has however taken long to catch on because it was considered to be a somewhat slow-moving process

1. Mold fitting.
A fixed volume of polymer in powder form is packed into a hollow mould. The mould is usually crafted from cast aluminium or sheet steel component. The coloration preferred for the finished goods is pre compounded into the polymer. The most often used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this style of plastic manufacturing.

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

2. The heating up and fusion phase.
Once inside the oven, the mold is turned on two axis so the powdered polymer melts from the heat and coats the inside if the mold. The rotation is done slowly, about 20 revolutions per minute. The main thing that is vital at this point is the amount of time the mold will spend within the oven. If it overstays, the product will lose stability and strength, producing a weak product. If it is removed from the oven prematurely, the polymer will not have melted correctly, which develops bubbles in the completed item.

3. Mould cooling.
When the material has completely spent the right 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 generates a cool mist. When the material cools, it reduces slightly for ease of extraction from the mould. This is yet another step that depends upon a lot on the ideal timing, since quick cooling decreases the material too quickly, causing bending of the item.

4. The unloading or de-moulding phase.
When the component within te mold has cooled properly, the molder taking care of the operation can then remove the completed product from the mold. The procedure is repeated from the beginning, making a series of similar items.

For more information on the different rotational molding options offered for the Franklin Park IL 60131 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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