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

roto-molding-Williamstown-Rotational molding refers to a plastic production procedure that generates hollow stress-free products. The method uses high temperatures and bi axial rotation to follow up with seamless, one piece products that have a variety of shapes, colors and sizes. This technique is also known as rotomoulding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The function that makes this different from other plastic manufacturing methods in that no pressure is called for. It also has few competitors when it involves the production of sizable hollow items which are long-lasting and inexpensive.There is a variety of products that are developed by this process including large size water tanks, automobile products, sophisticated molded medical products, recreation equipment, toys, canoes, industrialized equipment among many others.This is due to the flexibility in regards to design 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 Williamstown KY 41097, 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 rotomolding 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-Williamstown-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 Williamstown 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 Rotomoulding Process Components

This moulding process has been used since earlier times for creatingvseverl products. Egyptians as an example, utilized rotomoulding techniques in the manufacturing of ceramics. The Swiss were also making use of this rotation approach to make hollow chocolate eggs. Some plastic items in the USA were manufactured utilizing this technique some time between 1940 and 1950. The system has however taken long to take affect because it was thought of to be a rather slow-moving process

1. Mould readying.
A predetermined quantity of polymer in grain form is loaded into a hollow mould. The mold is usually constructed from cast aluminium or sheet steel substance. The colour needed for the final goods 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 format of plastic manufacturing.

Pre-heating of the oven follows, and it may be done by either conduction, convection or sometimes radiation. It is warmed to temperatures between 500-700F. The mould with the powdered polymer is then locked and installed into the oven.

2. The heat and fusion procedure.
Once placed into the oven, the mold is revolved on two axis so the powdered polymer melts from the heat and overlays the inside if the mold. The turning is done slowly and gradually, about 20 spins per minute. One thing that is crucial at this moment is the period of time the mould will spend inside the oven. If it stays to long, the product will lose stability and durability, producing a faulty item. If it is taken out from the oven prematurely, the polymer will not have liquefied properly, which creates bubbles in the completed product.

3. Mould cooling.
When the product has sufficiently spent the enough of time in the oven, it is then taken out for cooling. This can be done by air or water, or sometimes a mixture of both which a cool mist. When the product cools, it reduces a little for ease of removal from the mold. This is yet another step that depends a lot on the right timing, since rapid cooling shrinks the material too quickly, causing warping of the material.

4. The discharging or de-molding phase.
When the material inside te mould has cooled effectively, the person managing the operation can then take out the finalized item from the mold. The technique is repeated from the beginning, giving a number of identical products.

For more information on the different rotational molding options offered for the Williamstown KY 41097 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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