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

roto-molding-Osceola-Rotational molding pertains to a plastic manufacturing method that generates hollow stress-free product lines. The process relies on high temperatures and bi axial rotation to follow up with seamless, one piece items that have a variety of forms, sizes and colors. This method is also known as rotomolding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl forms.

The benefit that makes this different from other plastic manufacturing procedures that no pressure is needed. It also has few competitors when it pertains to the manufacture of large size hollow items which are long lasting and inexpensive.There is a wide range of products that are generated by this process including large size water tanks, automobile products, sophisticated shaped medical products, leisure equipment, toys, canoes, industrial equipment among many others.This is because of the versatility in terms of type 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 Osceola MO 64776, 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 Molding-Osceola-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 Missouri 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 Osceola Missouri 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 procedure has been used since early times for creatingvseverl product lines. Egyptians as an example, used rotomoulding procedures in the creating of ceramics. The Swiss were also working with this rotation approach to generate hollow chocolate eggs. Some plastic product lines in the USA were manufactured using this approach some time between 1940 and 1950. The system has however taken very long to catch on because it was looked at to be a pretty slow-moving process

1. Mold prep work.
A fixed measure of polymer in powder form is loaded into a hollow mould. The mould is usually comprised of cast aluminium or sheet steel substance. The coloration 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 format of plastic manufacturing.

Preheating of the oven follows, 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 secured and inserted into the oven.

2. The heating and fusion step.
Once placed into the oven, the mold is turned on two axis so the powdered polymer melts from the heat and coats the inside if the mould. The turning is done slowly and gradually, about 20 spins per min. The main thing that is essential at this point is the period of time the mold will spend inside the oven. If it stays to long, the product will lose stability and strength, creating a poor item. If it is taken out from the oven prematurely, the polymer will not have melted correctly, which develops bubbles in the finished product line.

3. Mold cooling.
When the material 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 creates a cool mist. When the material cools, it reduces a little for ease of extraction from the mold. This is an additional step that depends a lot on the ideal timing, since quick cooling decreases the material too rapidly, causing bending of the material.

4. The discharging or de-molding step.
Once the product within te mould has cooled properly, the person handling the process can then remove the finalized item from the mould. The function is repeated from the start, supplying a series of exact items.

For more information on the different rotational molding options offered for the Osceola MO 64776 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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