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

roto-molding-Payette-Rotational molding pertains to a plastic production procedure that makes hollow stress-free items. The function depends on high temperatures and bi axial rotation to follow up with seamless, one piece items that have varying designs, colors and sizes. This method is also known as rotomolding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl forms.

The feature that makes this different from other plastic manufacturing procedures in that no pressure is required. It also has few competitors when it comes to the creation of sizable hollow items which are durable and inexpensive.There is a wide variety of product lines that are generated by this process including big water tanks, automobile materials, intricate shaped 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 develops

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Payette ID 83661, 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 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 Molded-Payette-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 Idaho 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 Payette Idaho 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 Method in Detail

This moulding system has been used since ancient times for creatingvseverl items. Egyptians for instance, applied roto-molding systems in the creating of ceramics. The Swiss were also making use of this rotation technique to generate hollow chocolate eggs. Some plastic product lines in the USA were manufactured utilizing this technique some time between 1940 and 1950. Since it was considered to be a rather slow system, the process has however taken long to catch on

1. Mould prep work.
A fixed quantity of polymer in particle form is packed into a hollow mould. The mould is usually made of cast aluminium or sheet steel component. The colour needed for the finished item is pre compounded into the polymer. The most generally used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this type of plastic engineering.

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 sealed and inserted within the oven.

2. The heating and fusion process.
Once within the oven, the mold is rotated on two axis so the powdered polymer liquefies from the heat and layers the inside if the mould. The turning is done slowly and gradually, about 20 spins per minute. Something that is important at this moment is the period of time the mold will spend within the oven. If it overstays, the product will lose value and strength, producing a poor item. If it is taken out from the oven prematurely, the polymer will not have flowed correctly, which develops bubbles in the finalized item.

3. Mold cooling.
When the component has sufficiently spent the right amount of time in the oven, it is then removed 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 reduces a little for ease of extraction from the mould. This is an additional measure that depends a lot on the ideal timing, since quick cooling shrinks the material too fast, causing warping of the product.

4. The unloading or de-molding step.
Once the material inside te mold has cooled effectively, the person taking care of the process can then take out the finished item from the mould. The process is repeated from the beginning, providing a number of exact product lines.

For more information on the different rotational rotomolding options offered for the Payette ID 83661 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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