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

rotomolding-Riverside-Rotational molding refers to a plastic manufacturing solution that generates hollow stress-free product lines. The function uses high temperatures and bi axial rotation to follow up with seamless, one piece objects that have various designs, sizes and colors. This procedure is also referred to as rotomoulding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl styles.

The component that makes this unique from other plastic manufacturing methods because no pressure is needed. It also has few rivals when it pertains to the manufacture of large hollow products which are resilient and inexpensive.There is a variety of product lines that are created by this process including big water tanks, automobile materials, sophisticated designed medical items, recreation equipment, toys, canoes, industrial equipment among many others.This is due to the versatility in terms of type and forms that the process develops

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Riverside MO 64150, 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 Molded-Riverside-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 Riverside 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 Procedure Components

This moulding procedure has been used since earlier times for creatingvseverl product lines. Egyptians for example, applied rotomoulding solutions in the creating of ceramics. The Swiss were also employing this rotation design to generate hollow chocolate eggs. Some plastic product lines in the USA were made using this method some time between 1940 and 1950. The process has however taken long to take affect because it was considered as being a somewhat slow process

1. Mold readying.
A fixed measure of polymer in particle form is loaded into a hollow mould. The mould is usually crafted from cast aluminium or sheet steel substance. The coloration intended for the end goods 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.

Preheating 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 locked and put within the oven.

2. The heat and fusion procedure.
Once inside the oven, the mould 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 revolutions per minute. Something that is critical at this point is the period of time the mold will spend within the oven. If it stays to long, the component will lose value and strength, making a weak item. If it is removed from the oven too early, the polymer will not have flowed properly, which produces bubbles in the finished item.

3. Mould cooling down.
When the material has completely spent the enough of time in the oven, it is then taken out for cooling. This may 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 mould. This is an additional step that depends upon a lot on the correct timing, since quick cooling shrinks the material too fast, causing warping of the product.

4. The offloading or de-molding step.
As soon as the product inside te mold has cooled correctly, the molder taking care of the operation can then remove the finalized item from the mold. The function is repeated from the start, supplying a series of similar products.

For more information on the different rotational molding options offered for the Riverside MO 64150 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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