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

rotomoulding-Parma-Rotational molding pertains to a plastic production solution that produces hollow stress-free items. The procedure relies on high temperatures and bi axial rotation to follow up with seamless, one piece objects that have a wide range of shapes, colors and sizes. This method is also referred to as roto-molding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl forms.

The benefit that makes this unique from other plastic manufacturing processes because no pressure is involved. It also has few rivals when it comes to the creation of large size hollow products which are resilient and inexpensive.There is a wide range of products that are produced by this process including big water tanks, automobile products, sophisticated molded medical products, leisure equipment, toys, canoes, industrialized equipment among many others.This is due to the flexibility in regards to type and forms that the process makes

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Parma MI 49269, 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 Molding-Parma-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 Michigan 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 Parma Michigan 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 Rotomolding Procedure Components

This moulding technique has been used since ancient times for creatingvseverl products. Egyptians for instance, utilized rotocasting solutions in the of ceramics. The Swiss were also working with this rotation type to create hollow chocolate eggs. Some plastic product lines in the USA were developed using this method some time between 1940 and 1950. Considering that it was regarded to be a rather slow system, the procedure has however taken long to catch on

1. Mold readying.
A fixed measure of polymer in powder form is packed into a hollow mould. The mold is usually comprised of cast aluminium or sheet steel material. The colour wanted for the final goods 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 type of plastic production.

Pre-heating 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 mould with the powdered polymer is then secured and positioned within the oven.

2. The heating up and fusion step.
Once within the oven, the mold is spun on two axis so the powdered polymer liquefies from the heat and layers the inside if the mold. The rotation is done gradually, about 20 rotations per sixty seconds. Something that is vital at this moment is the amount of time the mould will spend inside the oven. If it stays to long, the component will lose stability and durability, generating a poor product. If it is taken out from the oven too early, the polymer will not have flowed correctly, which creates bubbles in the finished product.

3. Mold cooling.
When the component has completely spent the enough 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 material cools, it shrinks somewhat for ease of removal from the mould. This is yet another step that depends a lot on the correct timing, since quick cooling decreases the material too quickly, causing warping of the product.

4. The offloading or de-molding step.
Once the component inside te mould has cooled effectively, the person handling the process can then take out the finished item from the mold. The process is repeated from the start, supplying a number of exact product lines.

For more information on the different rotational molding options offered for the Parma MI 49269, please call our toll free number  866-971-7861 or fill out the form on the right for a consultation!

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