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

rotomolding-Buncombe-Rotational molding pertains to a plastic manufacturing technique that generates hollow stress-free items. The method uses 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 roto-molding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl types.

The attribute that makes this unique from other plastic manufacturing methods in that no pressure is needed. It also has few competitors when it comes down to the manufacture of sizable hollow products which are durable and inexpensive.There is a wide range of products that are created by this process including big water tanks, automobile products, intricate molded medical items, leisure equipment, toys, kayaks, industrial equipment among many others.This is due to the versatility in terms of design and forms that the process makes

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Buncombe IL 62912, 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

Plastic Manufacturing-Buncombe-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 Buncombe 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 Process Components

This moulding procedure has been used since early times for creatingvseverl product lines. Egyptians as an example, utilized roto-molding methods in the of ceramics. The Swiss were also working with this rotation technique to make hollow chocolate eggs. Some plastic items in the USA were created utilizing this procedure some time between 1940 and 1950. The technique has however taken long to catch on because it was considered as being a moderately slow process

1. Mould readying.
A predetermined measure of polymer in powder form is packed into a hollow mold. The mould is usually comprised of cast aluminium or sheet steel material. The color tone needed for the finished product is pre compounded into the polymer. The most typically used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this design of plastic engineering.

Pre-heating of the oven follows, and it may 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 secured and inserted into the oven.

2. The heat and fusion step.
Once within the oven, the mould is turned on two axis so the powdered polymer liquefies from the heat and coats the inside if the mold. The turning is done gradually, about 20 rotations per sixty seconds. One thing that is critical at this moment is the amount of time the mould will spend within the oven. If it stays to long, the component will lose stability and strength, creating a weak product. If it is extracted from the oven prematurely, the polymer will not have flowed correctly, which develops bubbles in the finalized item.

3. Mould cooling down.
When the component has sufficiently spent the enough 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 creates a cool mist. When the product cools, it reduces a little for ease of removal from the mold. This is another measure that depends upon a lot on the ideal timing, since quick cooling decreases the material too fast, causing warping of the product.

4. The unloading or de-molding step.
As soon as the component inside te mould has cooled properly, the person taking care of the process can then remove the completed product from the mold. The process is repeated from the beginning, providing a series of similar product lines.

For more information on the different rotational molding options offered for the Buncombe IL 62912 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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