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

roto-molding-Cairo-Rotational molding refers to a plastic manufacturing solution that produces hollow stress-free products. The process uses high temperatures and bi axial rotation to come up with seamless, one piece products that have several designs, sizes and colors. This method is also known as rotomoulding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The component that makes this unique from other plastic manufacturing processes because no pressure is needed. It also has few contenders when it comes to the production of large hollow items which are long-lasting and inexpensive.There is a wide variety of product lines that are developed by this process including big water tanks, automobile products, complex shaped medical products, leisure equipment, toys, canoes, industrial equipment among many others.This is because of the flexibility 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 Cairo NE 68824, 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 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-Cairo-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 Nebraska 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 Cairo Nebraska 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 in Detail

This moulding process has been used since early times for creatingvseverl product lines. Egyptians for example, applied rotational molding techniques in the manufacturing of ceramics. The Swiss were also employing this rotation technique to create hollow chocolate eggs. Some plastic product lines in the USA were made using this procedure some time between 1940 and 1950. Given that it was regarded to be a fairly slow-moving technique, the system has however taken long to catch on

1. Mould prep work.
A fixed quantity of polymer in particle form is loaded into a hollow mold. The mould is usually made of cast aluminium or sheet steel substance. The coloring needed for the end goods 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 style of plastic production.

Preheating of the oven starts, and it may be done by either conduction, convection or sometimes radiation. It is heated up to temperatures between 500-700F. The mold with the powdered polymer is then locked and inserted inside the oven.

2. The heat and fusion process.
Once within the oven, the mold is spun on two axis so the powdered polymer liquefies from the heat and coats the inside if the mould. The turning is done slowly, about 20 spins per min. The main thing that is crucial at this moment is the period of time the mold will spend inside the oven. If it stays to long, the material will lose stability and strength, producing a faulty product. If it is taken out from the oven too early, the polymer will not have flowed correctly, which creates bubbles in the finished item.

3. Mould cooling down.
When the component has completely 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 generates a cool mist. When the component cools, it shrinks somewhat for ease of extraction from the mould. This is another measure that depends upon a lot on the ideal timing, since rapid cooling reduces the material too rapidly, causing warping of the product.

4. The removing or de-molding phase.
Once the material inside te mold has cooled correctly, the person handling the operation can then extract the completed item from the mold. The function is repeated from the beginning, giving a series of similar product lines.

For more information on the different rotational rotomolding options offered for the Cairo NE 68824 area, please call our toll free number  866-971-7861 or fill out the form on the right for a consultation!

Other areas we service, go here to plastic products

Local Resources

Production Example
Google Map