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

rotational moulding-Melbourne-Rotational molding refers to a plastic manufacturing technique that generates hollow stress-free items. The function uses high temperatures and bi axial rotation to follow up with seamless, one piece items that have different designs, colors and sizes. This procedure is also referred to as rotomoulding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The component that makes this unique from other plastic manufacturing processes because no pressure is required. It also has few competitors when it comes to the creation of large hollow products which are long-lasting and inexpensive.There is a wide variety of items that are produced by this process including big water tanks, automobile items, sophisticated molded medical products, leisure equipment, toys, kayaks, industrialized equipment among many others.This is because of the versatility in terms of style 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 Melbourne IA 50162, 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 Molded-Melbourne-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 Iowa 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 Melbourne Iowa 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 in Detail

This molding process has been used since ancient times for creatingvseverl product lines. Egyptians as an example, used rotocasting methods in the creating of ceramics. The Swiss were also working with this rotation method to generate hollow chocolate eggs. Some plastic products in the USA were developed using this procedure some time between 1940 and 1950. The process has however taken very long to take affect because it was thought of to be a moderately slow process

1. Mold prep work.
A fixed quantity of polymer in grain form is loaded into a hollow mold. The mold is usually built from cast aluminium or sheet steel material. The colour intended for the end goods 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 style of plastic production.

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 sealed and installed inside the oven.

2. The heat and fusion process.
Once inside the oven, the mold is rotated on two axis so the powdered polymer liquefies from the heat and overlays the inside if the mold. The rotation is done slowly and gradually, about 20 spins per min. The main thing that is important at this moment is the period of time the mold will spend inside the oven. If it overstays, the component will lose stability and durability, making a faulty item. If it is extracted from the oven prematurely, the polymer will not have flowed properly, which generates bubbles in the finalized product line.

3. Mold cooling down.
When the product has completely spent the enough of time in the oven, it is then taken out for cooling. This may be done by air or water, or sometimes a mixture of both which creates a cool mist. When the component cools, it shrinks somewhat for ease of extraction from the mold. This is yet another measure that depends a lot on the right timing, since rapid cooling reduces the material too quick, causing bending of the item.

4. The offloading or de-molding step.
Once the component within te mould has cooled adequately, the molder managing the process can then remove the finalized item from the mould. The function is repeated from the beginning, providing a series of similar items.

For more information on the different rotational rotomolding options offered for the Melbourne IA 50162 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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