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

rotational molding-Afton-Rotational moulding pertains to a plastic production method that produces hollow stress-free products. The method utilizes high temperatures and bi axial rotation to follow up with seamless, one piece items that have several designs, sizes and colors. This method is also known as roto-molding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl styles.

The function that makes this different from other plastic manufacturing techniques because no pressure is involved. It also has few rivals when it involves the production of large hollow products which are long-lasting and inexpensive.There is a variety of product lines that are produced by this process including large water tanks, automobile products, sophisticated designed medical products, recreation equipment, toys, canoes, industrial equipment among many others.This is due to the flexibility in regards to design 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 Afton WY 83110, 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

Plastic Manufacturing-Afton-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 Wyoming 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 Afton Wyoming 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 Roto-Molding Process Components

This moulding technique has been used since ancient times for creatingvseverl products. Egyptians for example, utilized rotomoulding techniques in the creating of ceramics. The Swiss were also working with this rotation technique to generate hollow chocolate eggs. Some plastic product lines in the USA were made utilizing this approach some time between 1940 and 1950. Considering that it was looked at to be a rather slow approach, the process has however taken long to catch on

1. Mold fitting.
A predetermined amount of polymer in powder form is loaded into a hollow mould. The mold is usually constructed from cast aluminium or sheet steel component. The color tone preferred for the finished product 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 assembly.

Preheating of the oven follows, and it can be done by either conduction, convection or sometimes radiation. It is heated 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 coats the inside if the mold. The turning is done slowly, about 20 revolutions per min. The main thing that is vital at this moment is the amount of time the mould will spend inside the oven. If it overstays, the material will lose stability and strength, making a weak product. If it is removed from the oven too early, the polymer will not have melted correctly, which generates bubbles in the finalized item.

3. Mold cooling down.
When the product has sufficiently spent the correct amount of time in the oven, it is then taken out for cooling. This can be done by air or water, or sometimes a mixture of both which generates a cool mist. When the component cools, it shrinks slightly for ease of extraction from the mold. This is yet another measure that relies a lot on the right timing, since rapid cooling decreases the material too fast, causing bending of the material.

4. The unloading or de-molding step.
Once the product within te mould has cooled properly, the molder managing the procedure can then extract the finalized item from the mould. The technique is repeated from the beginning, giving a series of identical products.

For more information on the different rotational rotomolding options offered for the Afton WY 83110 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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