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

rotational molding-Grayson-Rotational molding refers to a plastic manufacturing method that makes hollow stress-free product lines. The method uses high temperatures and bi axial rotation to come up with seamless, one piece products that have a variety of forms, sizes and colors. This procedure is also known as rotomolding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl forms.

The component that makes this unique from other plastic manufacturing processes that no pressure is involved. It also has few contenders when it pertains to the creation of sizable hollow products which are long lasting and inexpensive.There is a wide range of products that are created by this process including large water tanks, automobile products, complex molded medical products, recreation equipment, toys, canoes, industrial equipment among many others.This is due to the flexibility in regards to style and shapes that the process produces

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Grayson GA 30017, 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 rotocasting 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-Grayson-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 Grayson 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 Roto-Molding Process Components

This moulding operation has been used since early times for creatingvseverl product lines. Egyptians for example, applied rotational molding solutions in the of ceramics. The Swiss were also using this rotation method to make hollow chocolate eggs. Some plastic products in the USA were created utilizing this technique some time between 1940 and 1950. Due to the fact that it was considered to be a somewhat slow system, the system has however taken long to catch on

1. Mold readying.
A fixed measure of polymer in powder form is filled into a hollow mould. The mould is usually built from cast aluminium or sheet steel material. The coloration intended for the finished goods 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 format of plastic production.

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

2. The heating up and fusion phase.
Once within the oven, the mold is rotated on two axis so the powdered polymer liquefies from the heat and overlays the inside if the mould. The turning is done slowly, about 20 spins per sixty seconds. One thing that is vital at this moment is the period of time the mold will spend within the oven. If it overstays, the product will lose stability and durability, generating a poor item. If it is taken out from the oven prematurely, the polymer will not have melted correctly, which produces bubbles in the completed product.

3. Mould cooling down.
When the material has sufficiently spent the right amount 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 a cool mist. When the material cools, it shrinks a little for ease of removal from the mold. This is one more procedure that depends a lot on the ideal timing, since quick cooling decreases the material too quickly, causing bending of the product.

4. The removing or de-molding step.
Once the material inside te mold has cooled adequately, the person managing the process can then take out the finished item from the mold. The function is repeated from the beginning, supplying a number of similar items.

For more information on the different rotational molding options offered for the Grayson GA 30017 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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