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

rotational molding-Springfield-Rotational moulding pertains to a plastic manufacturing method that makes hollow stress-free items. The function utilizes high temperatures and bi axial rotation to follow up with seamless, one piece objects that have many different forms, colors and sizes. This procedure is also referred to as rotomoulding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl forms.

The function that makes this unique from other plastic manufacturing procedures because no pressure is required. It also has few contenders when it involves the production of sizable hollow products which are resilient and inexpensive.There is a variety of product lines that are generated by this process including big water tanks, automobile products, sophisticated molded medical items, leisure equipment, toys, canoes, industrialized equipment among many others.This is because of the flexibility in regards to style and shapes that the process develops

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Springfield NE 68059, 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 rotomoulding 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-Springfield-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 Springfield 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 Rotomolding Method in Detail

This moulding technique has been used since earlier times for creatingvseverl products. Egyptians for example, worked with rotational molding systems in the making of ceramics. The Swiss were also making use of this rotation format to generate hollow chocolate eggs. Some plastic product lines in the USA were developed utilizing this technique some time between 1940 and 1950. The system has however taken very long to take affect because it was looked at as being a pretty slow-moving process

1. Mold preparation.
A predetermined measure of polymer in particle form is packed into a hollow mould. The mould is usually constructed from cast aluminium or sheet steel material. The colour desired for the final 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 design of plastic production.

Pre-heating 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 mould with the powdered polymer is then secured and positioned inside the oven.

2. The heat and fusion phase.
Once within the oven, the mould is turned on two axis so the powdered polymer melts from the heat and overlays the inside if the mold. The spinning is done gradually, about 20 spins per minute. Something that is crucial at this moment is the amount of time the mold will spend inside the oven. If it overstays, the material will lose value and durability, making a faulty product. If it is extracted from the oven prematurely, the polymer will not have melted correctly, which generates bubbles in the finalized item.

3. Mould cooling down.
When the product has sufficiently spent the enough 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 a cool mist. When the component cools, it shrinks a little for ease of removal from the mould. This is one more measure that relies a lot on the ideal timing, since rapid cooling reduces the material too quickly, causing bending of the product.

4. The removing or de-moulding phase.
Once the product inside te mold has cooled successfully, the molder managing the procedure can then take out the completed product from the mold. The procedure is repeated from the beginning, supplying a series of identical products.

For more information on the different rotational rotomolding options offered for the Springfield NE 68059 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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