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

rotomolding-Mount Pulaski-Rotational moulding refers to a plastic manufacturing solution that makes hollow stress-free product lines. The method uses high temperatures and bi axial rotation to follow up with seamless, one piece objects that have different forms, colors and sizes. This method 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 methods in that no pressure is needed. It also has few rivals when it comes to the production of large hollow products which are durable and inexpensive.There is a wide variety of products that are created by this process including big water tanks, automobile items, intricate designed medical items, leisure equipment, toys, kayaks, commercial equipment among many others.This is due to the versatility in terms of style and shapes that the process produces

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Mount Pulaski IL 62548, 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

Custom Molding-Mount Pulaski-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 Mount Pulaski 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 Method in Detail

This moulding procedure has been used since early times for creatingvseverl items. Egyptians for example, used roto-molding solutions in the producing of ceramics. The Swiss were also using this rotation technique to make hollow chocolate eggs. Some plastic products in the USA were created utilizing this technique some time between 1940 and 1950. The procedure has however taken very long to catch on because it was thought of to be a moderately slow-moving process

1. Mould fitting.
A fixed quantity of polymer in particle form is filled into a hollow mold. The mould is usually made of cast aluminium or sheet steel component. The colour needed for the end product 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.

Preheating of the oven starts, 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 inserted into the oven.

2. The heating up and fusion step.
Once placed into the oven, the mold is spun 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 spins per min. The main thing that is essential 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 strength, making a weak item. If it is removed from the oven too early, the polymer will not have liquefied properly, which generates bubbles in the finalized item.

3. Mould cooling down.
When the material has sufficiently spent the correct amount 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 creates a cool mist. When the product cools, it reduces slightly for ease of removal from the mold. This is one more step that depends upon a lot on the correct timing, since rapid cooling reduces the material too fast, causing warping of the item.

4. The offloading or de-molding step.
Once the product inside te mould has cooled successfully, the person managing the process can then extract the completed product from the mold. The procedure is repeated from the start, giving a series of identical products.

For more information on the different rotational molding options offered for the Mount Pulaski IL 62548 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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