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

rotomoulding-Morehead-Rotational moulding pertains to a plastic production practice that creates hollow stress-free products. The method relies on high temperatures and bi axial rotation to follow up with seamless, one piece products that have many different forms, colors and sizes. This technique is also referred to as rotomolding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl forms.

The attribute that makes this different from other plastic manufacturing methods that no pressure is involved. It also has few competitors when it involves the creation of sizable hollow items which are long-lasting and inexpensive.There is a wide range of items that are created by this process including large size water tanks, automobile items, sophisticated designed medical items, leisure equipment, toys, canoes, industrial equipment among many others.This is due to the flexibility in terms of type and forms that the process manufactures

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Morehead KY 40351, 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-Morehead-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 Morehead 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 Procedure in Detail

This moulding system has been used since ancient times for creatingvseverl products. Egyptians as an example, employed rotational molding solutions in the making of ceramics. The Swiss were also employing this rotation approach to generate hollow chocolate eggs. Some plastic product lines in the USA were developed using this approach some time between 1940 and 1950. Considering that it was looked at to be a somewhat slow approach, the system has however taken long to catch on

1. Mould preparation.
A fixed quantity of polymer in particle form is filled into a hollow mould. The mould is usually made from cast aluminium or sheet steel substance. The coloring intended for the final 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 design of plastic manufacturing.

Pre-heating of the oven starts, and it can 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 sealed and placed into the oven.

2. The heating and fusion step.
Once placed into the oven, the mold is revolved on two axis so the powdered polymer melts from the heat and coats the inside if the mould. The spinning is done gradually, about 20 rotations per minute. The main thing that is vital at this point is the period of time the mould will spend inside the oven. If it overstays, the material will lose stability and durability, creating a weak product. If it is removed from the oven prematurely, the polymer will not have liquefied properly, which develops bubbles in the completed product.

3. Mold cooling.
When the material has completely 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 product cools, it reduces somewhat for ease of removal from the mould. This is yet another step that relies a lot on the ideal timing, since rapid cooling shrinks the material too rapidly, causing warping of the item.

4. The discharging or de-moulding step.
Once the material within te mould has cooled successfully, the person managing the process can then take out the completed item from the mould. The procedure is repeated from the beginning, providing a series of exact product lines.

For more information on the different rotational molding options offered for the Morehead KY 40351 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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