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

rotomoulding-Smithland-Rotational molding refers to a plastic manufacturing technique that makes hollow stress-free items. The process relies upon high temperatures and bi axial rotation to come up with seamless, one piece items that have several designs, colors and sizes. This procedure is also referred to as roto-molding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The benefit that makes this unique from other plastic manufacturing techniques that no pressure is called for. It also has few competitors when it comes to the manufacture of large hollow products which are long-lasting and inexpensive.There is a wide range of product lines that are generated by this process including large water tanks, automobile items, complex designed medical items, leisure equipment, toys, canoes, industrialized equipment among many others.This is due to the flexibility in terms of type and forms that the process develops

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Smithland KY 42081, 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

Plastic Products-Smithland-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 Smithland 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 Process Components

This moulding process has been used since early times for creatingvseverl products. Egyptians as an example, utilized rotocasting procedures in the manufacturing of ceramics. The Swiss were also using this rotation method to generate hollow chocolate eggs. Some plastic products in the USA were made using this approach some time between 1940 and 1950. Because it was looked at to be a somewhat slow procedure, the system has however taken long to catch on

1. Mold preparation.
A fixed quantity of polymer in particle form is packed into a hollow mold. The mold is usually made of cast aluminium or sheet steel material. The color needed for the final product is pre compounded into the polymer. The most often used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this format of plastic engineering.

Preheating of the oven follows, 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 secured and installed into the oven.

2. The heating up and fusion process.
Once within the oven, the mold is rotated on two axis so the powdered polymer melts from the heat and overlays the inside if the mold. The rotation is done gradually, about 20 spins per sixty seconds. One thing that is crucial at this moment is the amount of time the mould will spend inside the oven. If it stays to long, the product will lose stability and durability, making a poor item. If it is removed from the oven too early, the polymer will not have flowed properly, which produces bubbles in the finalized product.

3. Mold cooling.
When the component has sufficiently spent the correct amount 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 shrinks a little for ease of removal from the mould. This is yet another procedure that relies a lot on the right timing, since rapid cooling reduces the material too fast, causing bending of the material.

4. The removing or de-moulding step.
Once the material within te mold has cooled correctly, the person managing the process can then take out the finalized item from the mould. The procedure is repeated from the start, making a number of exact product lines.

For more information on the different rotational molding options offered for the Smithland KY 42081 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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