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

rotational molding-Camden-Rotational molding refers to a plastic production technique that produces hollow stress-free items. The procedure utilizes high temperatures and bi axial rotation to come up with seamless, one piece objects that have many different shapes, sizes and colors. This technique is also called rotomoulding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl forms.

The feature that makes this different from other plastic manufacturing techniques in that no pressure is needed. It also has few contenders when it involves the creation of large size hollow items which are resilient and inexpensive.There is a wide variety of products that are generated by this process including big water tanks, automobile materials, sophisticated molded medical products, leisure equipment, toys, canoes, commercial equipment among many others.This is due to the versatility in terms of type and forms that the process creates

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Camden IN 46917, 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-Camden-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 Indiana 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 Camden Indiana 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 Components

This moulding technique has been used since early times for creatingvseverl product lines. Egyptians for example, worked with rotational molding solutions in the of ceramics. The Swiss were also working with this rotation design to create hollow chocolate eggs. Some plastic product lines in the USA were developed utilizing this procedure some time between 1940 and 1950. The technique has however taken long to take affect because it was thought of to be a very slow process

1. Mould preparation.
A predetermined measure of polymer in grain form is loaded into a hollow mould. The mould is usually made from cast aluminium or sheet steel material. The colour intended 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 format of plastic production.

Pre-heating of the oven starts, and it can be done by either conduction, convection or sometimes radiation. It is heated up to temperatures between 500-700F. The mould with the powdered polymer is then locked and put inside the oven.

2. The heating and fusion phase.
Once within the oven, the mold is rotated on two axis so the powdered polymer melts from the heat and coats the inside if the mould. The rotation is done slowly and gradually, about 20 revolutions per sixty seconds. One thing that is vital at this point is the period of time the mould will spend within the oven. If it stays to long, the material will lose value and strength, creating a poor product. If it is removed from the oven prematurely, the polymer will not have liquefied properly, which generates bubbles in the completed product line.

3. Mould cooling down.
When the component has sufficiently spent the enough of time in the oven, it is then taken out for cooling. This can be done by air or water, or sometimes a mixture of both which generates a cool mist. When the product cools, it reduces a little for ease of extraction from the mold. This is yet another step that depends a lot on the ideal timing, since rapid cooling reduces the material too fast, causing warping of the item.

4. The offloading or de-moulding phase.
As soon as the component within te mold has cooled properly, the person handling the process can then extract the finalized product from the mould. The procedure is repeated from the start, providing a series of identical items.

For more information on the different rotational rotomolding options offered for the Camden IN 46917 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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