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

rotational moulding-Le Roy-Rotational molding refers to a plastic manufacturing method that makes hollow stress-free items. The method uses high temperatures and bi axial rotation to come up with seamless, one piece objects that have various shapes, colors and sizes. This procedure is also known as rotomolding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The feature that makes this different from other plastic manufacturing procedures because no pressure is required. It also has few rivals when it comes to the manufacture of large size hollow items which are durable and inexpensive.There is a variety of product lines that are developed by this process including large size water tanks, automobile materials, sophisticated molded medical items, leisure equipment, toys, kayaks, industrial equipment among many others.This is because of the versatility in terms of type and shapes that the process produces

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Le Roy WV 25252, 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 Molding-Le Roy-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 West Virginia 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 Le Roy West Virginia 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 Procedure in Detail

This moulding operation has been used since earlier times for creatingvseverl product lines. Egyptians as an example, used rotational molding methods in the producing of ceramics. The Swiss were also employing this rotation method to create hollow chocolate eggs. Some plastic product lines in the USA were created using this technique some time between 1940 and 1950. Since it was looked at to be a somewhat slow-moving technique, the method has however taken long to catch on

1. Mould readying.
A predetermined measure of polymer in grain form is filled into a hollow mold. The mold is usually constructed from cast aluminium or sheet steel substance. The color wanted for the end item is pre compounded into the polymer. The most generally used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this type of plastic production.

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 mold with the powdered polymer is then locked and inserted inside the oven.

2. The heating and fusion step.
Once placed into the oven, the mold is spun 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 critical 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 faulty item. If it is removed from the oven prematurely, the polymer will not have flowed correctly, which produces bubbles in the completed item.

3. Mould cooling.
When the component has sufficiently spent the right amount of time in the oven, it is then removed for cooling. This can be done by air or water, or sometimes a mixture of both which creates a cool mist. When the component cools, it reduces a little for ease of extraction from the mold. This is another step that depends a lot on the ideal timing, since quick cooling reduces the material too rapidly, causing bending of the product.

4. The discharging or de-moulding phase.
As soon as the component inside te mold has cooled adequately, the molder handling the process can then remove the completed product from the mold. The technique is repeated from the beginning, providing a series of similar items.

For more information on the different rotational rotomolding options offered for the Le Roy WV 25252 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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