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

rotational moulding-Roswell-Rotational moulding refers to a plastic production procedure that makes hollow stress-free product lines. The process 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 referred to as rotomoulding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl forms.

The attribute that makes this unique from other plastic manufacturing methods that no pressure is needed. It also has few competitors when it comes to the production of sizable hollow items which are durable and inexpensive.There is a wide variety of items that are generated by this process including big water tanks, automobile materials, sophisticated molded medical products, recreation equipment, toys, canoes, industrial equipment among many others.This is due to the flexibility in terms of design and shapes that the process manufactures

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Roswell GA 30075, 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-Roswell-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 Georgia 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 Roswell Georgia 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 molding operation has been used since early times for creatingvseverl items. Egyptians for instance, used rotomoulding systems in the making of ceramics. The Swiss were also making use of this rotation method to make hollow chocolate eggs. Some plastic items in the USA were manufactured using this method some time between 1940 and 1950. Due to the fact that it was looked at to be a basically slow system, the method has however taken long to become popular

1. Mold prep work.
A fixed volume of polymer in powder form is filled into a hollow mould. The mould is usually constructed from cast aluminium or sheet steel substance. The colour chosen for the finished item is pre compounded into the polymer. The most generally used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this design of plastic production.

Preheating of the oven starts, and it may be done by either conduction, convection or sometimes radiation. It is heated up to temperatures between 500-700F. The mold with the powdered polymer is then locked and inserted inside the oven.

2. The heating and fusion step.
Once inside the oven, the mold is turned on two axis so the powdered polymer liquefies from the heat and coats the inside if the mould. The turning is done slowly and gradually, about 20 spins per min. One thing that is vital at this moment is the amount of time the mold will spend within the oven. If it overstays, the component will lose stability and strength, producing a faulty item. If it is extracted from the oven prematurely, the polymer will not have flowed correctly, which produces bubbles in the finalized product.

3. Mold cooling down.
When the material has completely spent the correct 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 a cool mist. When the product cools, it shrinks slightly for ease of extraction from the mould. This is one more measure that relies a lot on the right timing, since quick cooling reduces the material too quick, causing bending of the product.

4. The removing or de-molding step.
When the component within te mold has cooled correctly, the person managing the operation can then extract the finished item from the mold. The procedure is repeated from the start, making a series of exact products.

For more information on the different rotational molding options offered for the Roswell GA 30075 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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