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

roto-molding-Falcon-Rotational moulding pertains to a plastic manufacturing method that makes hollow stress-free items. The procedure depends on high temperatures and bi axial rotation to come up with seamless, one piece items that have many different shapes, sizes and colors. This technique is also known as roto-molding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl forms.

The feature that makes this different from other plastic manufacturing procedures that no pressure is called for. It also has few contenders when it pertains to the manufacture of large size hollow products which are durable and inexpensive.There is a wide variety of product lines that are developed by this process including large size water tanks, automobile products, sophisticated designed medical products, recreation equipment, toys, kayaks, industrial equipment among many others.This is due to the versatility in regards to 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 Falcon MO 65470, 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 rotomolding 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-Falcon-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 Falcon 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 in Detail

This moulding operation has been used since ancient times for creatingvseverl items. Egyptians for example, employed rotational molding methods in the creating of ceramics. The Swiss were also utilizing this rotation format to make hollow chocolate eggs. Some plastic product lines in the USA were made utilizing this method some time between 1940 and 1950. The procedure has however taken very long to take affect because it was thought of as being a somewhat slow-moving process

1. Mold preparation.
A fixed quantity of polymer in particle form is loaded into a hollow mold. The mold is usually made of cast aluminium or sheet steel substance. The colour preferred for the finished item is pre compounded into the polymer. The most often used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this format of plastic engineering.

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

2. The heating and fusion procedure.
Once placed into the oven, the mold is rotated on two axis so the powdered polymer melts from the heat and coats the inside if the mold. The turning is done slowly and gradually, about 20 spins per sixty seconds. One thing that is crucial at this moment is the period of time the mold will spend within the oven. If it stays to long, the material will lose stability and strength, generating a faulty product. If it is taken out from the oven prematurely, the polymer will not have flowed properly, which produces bubbles in the finished product line.

3. Mold cooling down.
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 a cool mist. When the material cools, it shrinks somewhat for ease of extraction from the mould. This is an additional step that depends upon a lot on the ideal timing, since rapid cooling shrinks the material too quick, causing bending of the product.

4. The removing or de-molding step.
As soon as the component within te mould has cooled effectively, the person handling the process can then take out the finished product from the mold. The procedure is repeated from the beginning, making a series of exact product lines.

For more information on the different rotational molding options offered for the Falcon MO 65470 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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