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

rotocasting-Joppa-Rotational molding pertains to a plastic production solution that generates hollow stress-free items. The technique relies upon high temperatures and bi axial rotation to come up with seamless, one piece products that have different designs, colors and sizes. This method is also referred to as rotomoulding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl types.

The component that makes this unique from other plastic manufacturing techniques because no pressure is required. It also has few rivals when it comes to the production of sizable hollow items which are resilient and inexpensive.There is a variety of product lines that are generated by this process including large size water tanks, automobile products, sophisticated designed medical products, leisure equipment, toys, kayaks, industrialized equipment among many others.This is because of the flexibility in terms of type and shapes that the process produces

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Joppa IL 62953, 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 rotational moulding 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-Joppa-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 Illinois 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 Joppa Illinois 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 Process in Detail

This moulding process has been used since ancient times for creatingvseverl product lines. Egyptians for instance, used rotocasting solutions in the creating of ceramics. The Swiss were also applying this rotation format to generate hollow chocolate eggs. Some plastic products in the USA were made utilizing this procedure some time between 1940 and 1950. The technique has however taken long to take affect because it was thought of as being a rather slow process

1. Mould prep work.
A fixed measure of polymer in grain form is filled into a hollow mould. The mould is usually made from cast aluminium or sheet steel component. The colour preferred for the end 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 style of plastic production.

Preheating of the oven follows, and it may 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 sealed and placed inside the oven.

2. The heating up and fusion process.
Once within the oven, the mold is revolved 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 min. Something that is critical at this moment is the period of time the mould will spend within the oven. If it stays to long, the component will lose stability and durability, producing a weak product. If it is removed from the oven too early, the polymer will not have flowed correctly, which produces bubbles in the finalized item.

3. Mould cooling.
When the material has sufficiently 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 creates a cool mist. When the material cools, it reduces somewhat for ease of extraction from the mold. This is an additional procedure that relies a lot on the ideal timing, since rapid cooling decreases the material too quick, causing warping of the material.

4. The offloading or de-molding step.
Once the product within te mould has cooled adequately, the person handling the procedure can then extract the finalized product from the mould. The technique is repeated from the start, supplying a number of similar products.

For more information on the different rotational molding options offered for the Joppa IL 62953 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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