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

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

The attribute that makes this different from other plastic manufacturing procedures that no pressure is needed. It also has few contenders when it involves the production of large size hollow products which are resilient and inexpensive.There is a wide range of product lines that are developed by this process including big water tanks, automobile items, sophisticated molded medical products, recreation equipment, toys, kayaks, commercial equipment among many others.This is due to the versatility in regards to type 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 Florence AZ 85232, 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

Plastic Manufacturing-Florence-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 Arizona 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 Florence Arizona 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 Procedure Components

This moulding operation has been used since early times for creatingvseverl product lines. Egyptians for instance, applied rotational molding solutions in the making of ceramics. The Swiss were also applying this rotation method to create hollow chocolate eggs. Some plastic items in the USA were created utilizing this approach some time between 1940 and 1950. Because it was looked at to be a very slow process, the process has however taken long to catch on

1. Mold readying.
A predetermined volume of polymer in grain form is packed into a hollow mold. The mold is usually composeded of cast aluminium or sheet steel material. The coloring chosen for the final goods 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 format of plastic production.

Preheating of the oven starts, 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 installed into the oven.

2. The heating and fusion process.
Once within the oven, the mould is rotated on two axis so the powdered polymer liquefies from the heat and layers the inside if the mould. The rotation is done slowly, about 20 revolutions per minute. One thing that is vital at this moment is the amount of time the mold will spend within the oven. If it overstays, the product will lose stability and durability, generating a weak item. If it is extracted from the oven too early, the polymer will not have liquefied properly, which develops bubbles in the completed item.

3. Mold cooling.
When the product has completely spent the right amount of time in the oven, it is then removed 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 somewhat for ease of extraction from the mold. This is another procedure that relies a lot on the correct timing, since rapid cooling shrinks the material too quickly, causing warping of the material.

4. The discharging or de-moulding step.
Once the product inside te mold has cooled properly, the molder handling the process can then take out the finalized product from the mold. The technique is repeated from the beginning, making a number of similar product lines.

For more information on the different rotational rotomolding options offered for the Florence AZ 85232 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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