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

rotocasting-Farmington-Rotational molding pertains to a plastic production method that produces hollow stress-free products. The method utilizes high temperatures and bi axial rotation to follow up with seamless, one piece products that have a wide range of designs, colors and sizes. This method is also referred to as roto-molding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl types.

The component that makes this different from other plastic manufacturing procedures in that no pressure is involved. It also has few contenders when it comes down to the manufacture of large size hollow products which are long lasting and inexpensive.There is a wide variety of products that are developed by this process including large size water tanks, automobile products, intricate molded medical products, recreation equipment, toys, kayaks, industrial equipment among many others.This is because of the flexibility in terms of type and shapes that the process makes

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Farmington GA 30638, 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-Farmington-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 Farmington 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 Rotomoulding Method Components

This molding operation has been used since earlier times for creatingvseverl products. Egyptians for instance, worked with roto-molding techniques in the producing of ceramics. The Swiss were also utilizing this rotation approach to make hollow chocolate eggs. Some plastic product lines in the USA were created utilizing this method some time between 1940 and 1950. The technique has however taken very long to take affect because it was thought of to be a pretty slow-moving process

1. Mold fitting.
A predetermined quantity of polymer in powder form is loaded into a hollow mold. The mould is usually constructed from cast aluminium or sheet steel component. The coloration wanted for the end product 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 assembly.

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 secured and inserted inside the oven.

2. The heat and fusion procedure.
Once inside the oven, the mould is revolved on two axis so the powdered polymer melts from the heat and layers the inside if the mold. The rotation is done slowly and gradually, about 20 rotations per sixty seconds. The main thing that is crucial at this moment is the period of time the mould will spend inside the oven. If it overstays, the component will lose stability and durability, producing a weak item. If it is taken out from the oven too early, the polymer will not have melted correctly, which produces bubbles in the finalized item.

3. Mould cooling down.
When the material has sufficiently spent the enough of time in the oven, it is then extracted for cooling. This may be done by air or water, or sometimes a mixture of both which generates a cool mist. When the material cools, it reduces somewhat for ease of extraction from the mould. This is one more measure that relies a lot on the ideal timing, since rapid cooling decreases the material too quick, causing bending of the item.

4. The unloading or de-molding step.
As soon as the material within te mould has cooled effectively, the molder handling the operation can then extract the completed product from the mold. The technique is repeated from the beginning, giving a series of identical items.

For more information on the different rotational molding options offered for the Farmington GA 30638 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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