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

rotomolding-Idaho Falls-Rotational molding pertains to a plastic production solution that produces hollow stress-free product lines. The technique relies upon high temperatures and bi axial rotation to come up with seamless, one piece items that have a variety of forms, sizes and colors. This method is also referred to as roto-molding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl types.

The function that makes this unique from other plastic manufacturing techniques that no pressure is required. It also has few rivals when it comes down to the creation of large hollow items which are long-lasting and inexpensive.There is a wide range of products that are produced by this process including large size water tanks, automobile materials, intricate shaped medical products, leisure equipment, toys, canoes, industrial equipment among many others.This is due to the versatility in regards to type and forms that the process creates

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Idaho Falls ID 83401, 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 roto-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-Idaho Falls-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 Idaho Falls 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 Components

This molding technique has been used since early times for creatingvseverl product lines. Egyptians as an example, used rotomoulding methods in the of ceramics. The Swiss were also making use of this rotation technique to make hollow chocolate eggs. Some plastic products in the USA were manufactured utilizing this method some time between 1940 and 1950. Due to the fact that it was viewed to be a relatively slow procedure, the procedure has however taken long to catch on

1. Mold readying.
A predetermined quantity of polymer in powder form is filled into a hollow mold. The mold is usually made of cast aluminium or sheet steel component. The colour chosen for the final goods 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 manufacturing.

Pre-heating of the oven follows, 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 locked and placed inside the oven.

2. The heat and fusion step.
Once inside the oven, the mould is rotated on two axis so the powdered polymer melts from the heat and overlays the inside if the mold. The spinning is done slowly and gradually, about 20 revolutions per min. The main thing that is critical at this point is the period of time the mold will spend inside the oven. If it stays to long, the component will lose value and durability, creating a faulty item. If it is taken out from the oven too early, the polymer will not have melted properly, which produces bubbles in the finalized product.

3. Mold cooling.
When the material has completely 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 shrinks slightly for ease of removal from the mold. This is yet another procedure that depends upon a lot on the right timing, since rapid cooling shrinks the material too rapidly, causing warping of the material.

4. The offloading or de-moulding step.
When the material inside te mold has cooled correctly, the person handling the process can then extract the finished product from the mold. The procedure is repeated from the beginning, giving a number of identical products.

For more information on the different rotational rotomolding options offered for the Idaho Falls ID 83401 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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