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

rotocasting-Sparks-Rotational moulding pertains to a plastic production technique that generates hollow stress-free products. The method uses high temperatures and bi axial rotation to come up with seamless, one piece products that have varying forms, colors and sizes. This method is also known as rotomolding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl forms.

The component that makes this different from other plastic manufacturing procedures that no pressure is required. It also has few contenders when it comes down to the production of large size hollow products which are resilient and inexpensive.There is a variety of product lines that are produced by this process including big water tanks, automobile items, sophisticated shaped medical products, leisure equipment, toys, canoes, industrialized equipment among many others.This is due to the versatility in regards to style and forms that the process creates

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Sparks NV 89431, 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 rotocasting 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-Sparks-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 Nevada 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 Sparks Nevada 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 Procedure Components

This molding procedure has been used since earlier times for creatingvseverl products. Egyptians as an example, employed rotational molding procedures in the of ceramics. The Swiss were also working with this rotation approach to generate hollow chocolate eggs. Some plastic product lines in the USA were developed utilizing this method some time between 1940 and 1950. The technique has however taken very long to catch on because it was looked at to be a pretty slow-moving process

1. Mold readying.
A fixed amount of polymer in particle form is loaded into a hollow mold. The mould is usually comprised of cast aluminium or sheet steel material. The colour wanted for the end item 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 design of plastic manufacturing.

Pre-heating of the oven starts, 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 sealed and placed inside the oven.

2. The heating and fusion procedure.
Once within the oven, the mould 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, about 20 spins per sixty seconds. The main thing that is critical at this point is the amount of time the mould will spend within the oven. If it stays to long, the component will lose stability and durability, creating a poor item. If it is taken out from the oven too early, the polymer will not have liquefied properly, which develops bubbles in the finished product.

3. Mold cooling down.
When the product has completely spent the correct amount of time in the oven, it is then extracted for cooling. This can be done by air or water, or sometimes a mixture of both which a cool mist. When the material cools, it reduces a little for ease of extraction from the mold. This is one more step that depends a lot on the correct timing, since rapid cooling reduces the material too fast, causing warping of the item.

4. The unloading or de-moulding phase.
Once the product within te mould has cooled properly, the person taking care of the operation can then take out the completed item from the mold. The function is repeated from the beginning, giving a series of exact product lines.

For more information on the different rotational rotomolding options offered for the Sparks NV 89431 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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