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

roto-molding-Grace-Rotational moulding refers to a plastic production practice that generates hollow stress-free products. The technique uses high temperatures and bi axial rotation to come up with seamless, one piece products that have many different designs, colors and sizes. This procedure is also known as rotomolding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl types.

The benefit that makes this different from other plastic manufacturing procedures because no pressure is involved. It also has few competitors when it comes to the manufacture of sizable hollow items which are resilient and inexpensive.There is a variety of product lines that are developed by this process including large water tanks, automobile materials, intricate shaped medical products, recreation equipment, toys, canoes, industrialized equipment among many others.This is because of the versatility in terms of style 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 Grace ID 83241, 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

Plastic Manufacturing-Grace-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 Grace 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 Components

This molding technique has been used since early times for creatingvseverl products. Egyptians for instance, applied roto-molding techniques in the manufacturing of ceramics. The Swiss were also using this rotation design to make hollow chocolate eggs. Some plastic items in the USA were manufactured utilizing this approach some time between 1940 and 1950. The system has however taken long to take affect because it was considered to be a pretty slow-moving process

1. Mould fitting.
A fixed volume of polymer in powder form is loaded into a hollow mould. The mold is usually composeded of cast aluminium or sheet steel component. The colour intended for the end product 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 assembly.

Pre-heating of the oven starts, and it may be done by either conduction, convection or sometimes radiation. It is heated up to temperatures between 500-700F. The mold with the powdered polymer is then locked and put into the oven.

2. The heating and fusion phase.
Once within the oven, the mold is spun 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 min. The main thing that is crucial at this point is the amount of time the mold will spend within the oven. If it overstays, the component will lose value and durability, creating a weak product. If it is taken out from the oven too early, the polymer will not have flowed properly, which creates bubbles in the completed item.

3. Mold cooling down.
When the component 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 creates a cool mist. When the material cools, it reduces slightly for ease of extraction from the mould. This is an additional procedure that depends a lot on the ideal timing, since rapid cooling reduces the material too quick, causing bending of the material.

4. The removing or de-moulding step.
As soon as the material within te mold has cooled adequately, the person taking care of the process can then extract the finalized item from the mould. The technique is repeated from the start, supplying a series of exact items.

For more information on the different rotational rotomolding options offered for the Grace ID 83241 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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