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

rotomoulding-Vanceburg-Rotational moulding refers to a plastic manufacturing technique that generates hollow stress-free products. The function utilizes high temperatures and bi axial rotation to come up with seamless, one piece products that have a variety of shapes, sizes and colors. This method is also known as rotomolding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl forms.

The benefit that makes this different from other plastic manufacturing methods because no pressure is called for. It also has few rivals when it pertains to the production of large size hollow products which are resilient and inexpensive.There is a wide range of items that are created by this process including large size water tanks, automobile items, complex designed medical products, leisure equipment, toys, canoes, commercial equipment among many others.This is due to the versatility in regards to style and shapes that the process manufactures

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Vanceburg KY 41179, 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 roto-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

Custom Molded-Vanceburg-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 Vanceburg 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 Rotomolding Method in Detail

This moulding process has been used since early times for creatingvseverl items. Egyptians for instance, worked with rotomoulding techniques in the creating of ceramics. The Swiss were also employing 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 procedure has however taken very long to take affect because it was considered to be a very slow process

1. Mold preparation.
A fixed quantity of polymer in particle form is filled into a hollow mold. The mold is usually crafted from cast aluminium or sheet steel component. The coloring needed for the finished product is pre compounded into the polymer. The most typically used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this design of plastic assembly.

Pre-heating of the oven starts, and it may 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 locked and positioned within the oven.

2. The heat and fusion process.
Once inside the oven, the mold is spun on two axis so the powdered polymer melts from the heat and coats the inside if the mould. The rotation is done slowly and gradually, about 20 rotations per min. The main thing that is important at this point is the period of time the mold will spend within the oven. If it overstays, the component will lose stability and strength, creating a weak product. If it is extracted from the oven prematurely, the polymer will not have liquefied properly, which generates bubbles in the finalized product.

3. Mould cooling.
When the product has sufficiently spent the enough of time in the oven, it is then removed 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 slightly for ease of extraction from the mould. This is another step that depends a lot on the ideal timing, since quick cooling shrinks the material too rapidly, causing warping of the item.

4. The offloading or de-moulding step.
When the product inside te mold has cooled adequately, the molder taking care of the operation can then remove the finalized item from the mold. The process is repeated from the beginning, providing a number of identical products.

For more information on the different rotational molding options offered for the Vanceburg KY 41179 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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