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

rotocasting-Booneville-Rotational molding pertains to a plastic manufacturing procedure that creates hollow stress-free products. The method utilizes high temperatures and bi axial rotation to follow up with seamless, one piece items that have a wide range of forms, colors and sizes. This method is also called rotomolding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl types.

The component that makes this different from other plastic manufacturing procedures that no pressure is called for. It also has few rivals when it involves the production of sizable hollow products which are resilient and inexpensive.There is a wide variety of items that are created by this process including large size water tanks, automobile items, sophisticated shaped medical items, recreation equipment, toys, canoes, industrialized equipment among many others.This is due to the versatility in terms of type and forms that the process produces

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Booneville KY 41314, 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 moulding 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-Booneville-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 Kentucky 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 Booneville Kentucky 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 Method in Detail

This moulding process has been used since ancient times for creatingvseverl products. Egyptians for example, applied rotocasting techniques in the making of ceramics. The Swiss were also employing this rotation format to generate hollow chocolate eggs. Some plastic items in the USA were manufactured utilizing this method some time between 1940 and 1950. Since it was considered to be a fairly slow system, the system has however taken long to catch on

1. Mold prep work.
A fixed quantity of polymer in grain form is packed into a hollow mold. The mould is usually made of cast aluminium or sheet steel component. The color desired 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 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 mould with the powdered polymer is then locked and positioned into the oven.

2. The heat and fusion procedure.
Once within the oven, the mould is spun on two axis so the powdered polymer melts from the heat and overlays the inside if the mold. The spinning is done gradually, about 20 rotations per min. The main thing that is crucial at this moment is the amount of time the mold will spend within the oven. If it stays to long, the material will lose value and strength, producing a weak item. If it is taken out from the oven prematurely, the polymer will not have flowed correctly, which generates bubbles in the finalized product line.

3. Mould cooling down.
When the material has sufficiently 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 generates a cool mist. When the component cools, it reduces somewhat for ease of extraction from the mold. This is an additional step that depends a lot on the right timing, since rapid cooling shrinks the material too rapidly, causing warping of the product.

4. The discharging or de-moulding step.
When the product within te mold has cooled effectively, the person handling the operation can then extract the finished item from the mold. The process is repeated from the beginning, supplying a number of exact product lines.

For more information on the different rotational molding options offered for the Booneville KY 41314 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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