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

rotational molding-Shoshone-Rotational moulding pertains to a plastic production method that makes hollow stress-free products. The process uses high temperatures and bi axial rotation to follow up with seamless, one piece items that have a variety of designs, sizes and colors. This technique is also known as rotomoulding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl forms.

The attribute that makes this different from other plastic manufacturing procedures that no pressure is needed. It also has few contenders when it pertains to the production of large hollow products which are durable and inexpensive.There is a wide range of products that are produced by this process including big water tanks, automobile materials, complex molded medical products, leisure equipment, toys, kayaks, commercial equipment among many others.This is because of the flexibility in terms of type and shapes that the process manufactures

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Shoshone ID 83352, 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

Custom Molded-Shoshone-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 Shoshone 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 Procedure in Detail

This moulding system has been used since ancient times for creatingvseverl items. Egyptians as an example, used rotomoulding solutions in the manufacturing of ceramics. The Swiss were also employing this rotation type to generate hollow chocolate eggs. Some plastic products in the USA were manufactured utilizing this procedure some time between 1940 and 1950. The system has however taken long to take affect because it was looked at to be a pretty slow process

1. Mould preparation.
A fixed amount of polymer in powder form is filled into a hollow mould. The mold is usually crafted from cast aluminium or sheet steel substance. The color needed for the end goods is pre compounded into the polymer. The most commonly used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this type of plastic engineering.

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 sealed and put inside the oven.

2. The heating up and fusion phase.
Once within the oven, the mold is turned on two axis so the powdered polymer liquefies from the heat and coats the inside if the mold. The spinning is done slowly and gradually, about 20 rotations per minute. One thing that is essential at this moment is the amount of time the mould will spend within the oven. If it overstays, the product will lose value and durability, creating a poor item. If it is removed from the oven prematurely, the polymer will not have flowed correctly, which generates bubbles in the finalized product.

3. Mould cooling.
When the material has completely spent the right amount 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 a cool mist. When the product cools, it shrinks somewhat for ease of extraction from the mould. This is yet another procedure that depends upon a lot on the right timing, since rapid cooling decreases the material too rapidly, causing warping of the product.

4. The unloading or de-moulding step.
When the component within te mold has cooled effectively, the molder handling the process can then remove the finalized item from the mould. The technique is repeated from the start, making a number of exact products.

For more information on the different rotational rotomolding options offered for the Shoshone ID 83352 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 molding

Local Resources

Production Example
Google Map