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

rotocasting-Riverton-Rotational moulding pertains to a plastic production technique that creates hollow stress-free products. The method relies upon high temperatures and bi axial rotation to come up with seamless, one piece objects that have different shapes, sizes and colors. This method is also called rotomolding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl styles.

The attribute that makes this unique from other plastic manufacturing processes because no pressure is called for. It also has few contenders when it comes to the manufacture of large size hollow items which are durable and inexpensive.There is a variety of items that are created by this process including large size water tanks, automobile items, complex molded medical products, leisure equipment, toys, kayaks, commercial equipment among many others.This is because of the versatility 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 Riverton UT 84065, 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 rotomolding 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-Riverton-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 Riverton 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 Roto-Molding Procedure in Detail

This molding operation has been used since earlier times for creatingvseverl products. Egyptians as an example, employed roto-molding systems in the manufacturing of ceramics. The Swiss were also using this rotation style to generate hollow chocolate eggs. Some plastic items in the USA were manufactured using this procedure some time between 1940 and 1950. The technique has however taken long to take affect because it was looked at as being a rather slow-moving process

1. Mold fitting.
A predetermined volume of polymer in particle form is filled into a hollow mold. The mold is usually constructed from cast aluminium or sheet steel material. The coloration chosen for the finished product 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.

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 put within the oven.

2. The heating up and fusion procedure.
Once inside the oven, the mold is revolved on two axis so the powdered polymer melts from the heat and layers the inside if the mold. The spinning is done gradually, about 20 rotations per minute. Something that is essential at this point is the period of time the mold will spend inside the oven. If it stays to long, the material will lose stability and strength, generating a poor product. If it is extracted from the oven prematurely, the polymer will not have flowed correctly, which creates bubbles in the finalized product.

3. Mould cooling.
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 a cool mist. When the material cools, it shrinks somewhat for ease of extraction from the mold. This is yet another procedure that depends upon a lot on the right timing, since quick cooling reduces the material too fast, causing bending of the product.

4. The unloading or de-moulding step.
Once the component within te mold has cooled adequately, the molder managing the procedure can then extract the completed product from the mold. The technique is repeated from the beginning, providing a number of exact product lines.

For more information on the different rotational rotomolding options offered for the Riverton UT 84065 area, please call our toll free number  866-971-7861 or fill out the form on the right for a consultation!

Other areas we service, go here to custom molded

Local Resources

Production Example
Google Map