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

rotocasting-Smelterville-Rotational molding refers to a plastic production practice that produces hollow stress-free products. The technique uses 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 known as rotomolding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl forms.

The attribute that makes this different from other plastic manufacturing techniques because no pressure is called for. It also has few rivals when it pertains to the production of large size hollow items which are durable and inexpensive.There is a wide range of items that are generated by this process including large water tanks, automobile products, complex shaped medical products, leisure equipment, toys, kayaks, industrialized equipment among many others.This is due to the versatility in terms of design 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 Smelterville ID 83868, 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-Smelterville-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 Smelterville 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 Rotomoulding Method Components

This moulding operation has been used since ancient times for creatingvseverl product lines. Egyptians as an example, utilized rotocasting techniques in the making of ceramics. The Swiss were also applying this rotation design to create hollow chocolate eggs. Some plastic items in the USA were developed using this approach some time between 1940 and 1950. The system has however taken long to catch on because it was looked at to be a relatively slow process

1. Mold readying.
A fixed amount of polymer in particle form is packed into a hollow mould. The mould is usually composeded of cast aluminium or sheet steel substance. The color tone chosen for the end item 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 design of plastic assembly.

Preheating of the oven starts, and it may be done by either conduction, convection or sometimes radiation. It is heated to temperatures between 500-700F. The mold with the powdered polymer is then secured and placed inside the oven.

2. The heat and fusion phase.
Once inside the oven, the mould is revolved on two axis so the powdered polymer liquefies from the heat and coats the inside if the mold. The turning is done slowly, about 20 revolutions per minute. Something that is crucial at this moment is the amount of time the mold will spend inside the oven. If it overstays, the product will lose value and strength, making a weak product. If it is taken out from the oven too early, the polymer will not have flowed correctly, which creates bubbles in the finalized item.

3. Mould cooling.
When the material has sufficiently spent the enough of time in the oven, it is then extracted for cooling. This may 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 removal from the mould. This is yet another measure that depends upon a lot on the right timing, since rapid cooling reduces the material too quickly, causing warping of the product.

4. The discharging or de-molding step.
As soon as the material within te mould has cooled correctly, the molder handling the procedure can then take out the completed item from the mould. The function is repeated from the start, supplying a series of similar items.

For more information on the different rotational rotomolding options offered for the Smelterville ID 83868 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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