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

rotomolding-Tallahassee-Rotational molding refers to a plastic production practice that creates hollow stress-free product lines. The process utilizes high temperatures and bi axial rotation to come up with seamless, one piece products that have several designs, sizes and colors. This procedure is also known as rotomolding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl types.

The benefit that makes this unique from other plastic manufacturing procedures in that no pressure is involved. It also has few rivals when it comes down to the manufacture of sizable hollow items which are long lasting and inexpensive.There is a variety of product lines that are created by this process including big water tanks, automobile materials, intricate designed medical products, leisure equipment, toys, canoes, industrial equipment among many others.This is due to the flexibility in regards to style 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 Tallahassee FL 32301, 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 rotational 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

Plastic Manufacturing-Tallahassee-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 Florida 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 Tallahassee Florida 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 Procedure Components

This molding technique has been used since ancient times for creatingvseverl product lines. Egyptians as an example, worked with rotational molding systems in the of ceramics. The Swiss were also utilizing this rotation design to generate hollow chocolate eggs. Some plastic product lines in the USA were manufactured utilizing this technique some time between 1940 and 1950. Given that it was regarded to be a very slow system, the method has however taken long to catch on

1. Mold fitting.
A predetermined measure of polymer in grain form is filled into a hollow mould. The mould is usually built from cast aluminium or sheet steel substance. The color desired for the final product 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 type of plastic engineering.

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

2. The heating up and fusion procedure.
Once within the oven, the mould is rotated on two axis so the powdered polymer liquefies from the heat and overlays the inside if the mold. The turning is done gradually, about 20 rotations per min. One thing that is critical at this moment is the period of time the mould will spend inside the oven. If it stays to long, the component will lose stability and durability, generating a poor product. If it is extracted from the oven prematurely, the polymer will not have flowed properly, which develops bubbles in the finalized item.

3. Mold cooling.
When the product has sufficiently spent the right 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 material cools, it shrinks slightly for ease of removal from the mould. This is an additional step that depends a lot on the ideal timing, since quick cooling reduces the material too fast, causing warping of the item.

4. The offloading or de-moulding step.
As soon as the product within te mould has cooled successfully, the molder handling the process can then extract the finished product from the mould. The procedure is repeated from the beginning, providing a number of identical products.

For more information on the different rotational rotomolding options offered for the Tallahassee FL 32301 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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