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

rotocasting-Eureka-Rotational moulding refers to a plastic production solution that makes hollow stress-free products. The technique relies on high temperatures and bi axial rotation to come up with seamless, one piece products that have different designs, sizes and colors. This method is also called rotomolding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl forms.

The component that makes this different from other plastic manufacturing techniques because no pressure is called for. It also has few rivals when it involves the creation of large hollow products which are long lasting and inexpensive.There is a wide variety of products that are developed by this process including large water tanks, automobile items, sophisticated shaped medical products, recreation equipment, toys, kayaks, industrialized equipment among many others.This is due to the flexibility in regards to type and shapes that the process makes

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Eureka UT 84628, 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-Eureka-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 Utah 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 Eureka Utah 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 Process Components

This moulding method has been used since earlier times for creatingvseverl items. Egyptians for instance, utilized rotocasting procedures in the producing of ceramics. The Swiss were also applying this rotation type to make hollow chocolate eggs. Some plastic product lines in the USA were manufactured utilizing this method some time between 1940 and 1950. Due to the fact that it was regarded to be a basically slow-moving technique, the approach has however taken long to become popular

1. Mold preparation.
A fixed measure of polymer in grain form is loaded into a hollow mould. The mould is usually made from cast aluminium or sheet steel component. The coloration intended for the final item 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 design of plastic assembly.

Preheating of the oven starts, 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 placed inside the oven.

2. The heating and fusion procedure.
Once inside the oven, the mold is spun on two axis so the powdered polymer liquefies from the heat and coats the inside if the mould. The turning is done slowly, about 20 revolutions per min. The main thing that is critical at this moment is the amount of time the mold will spend inside the oven. If it stays to long, the product will lose value and strength, producing a faulty product. If it is removed from the oven too early, the polymer will not have melted correctly, which creates bubbles in the completed product.

3. Mold cooling.
When the product has completely spent the enough of time in the oven, it is then taken out for cooling. This may be done by air or water, or sometimes a mixture of both which generates a cool mist. When the product cools, it shrinks somewhat for ease of removal from the mould. This is yet another procedure that depends a lot on the correct timing, since rapid cooling decreases the material too fast, causing warping of the item.

4. The un-loading or de-molding step.
As soon as the product within te mold has cooled successfully, the molder taking care of the operation can then take out the finalized item from the mold. The technique is repeated from the beginning, making a series of similar product lines.

For more information on the different rotational rotomolding options offered for the Eureka UT 84628 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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