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

rotational moulding-Osburn-Rotational moulding pertains to a plastic manufacturing practice that generates hollow stress-free items. The procedure uses high temperatures and bi axial rotation to follow up with seamless, one piece products that have varying forms, colors and sizes. This method is also known as roto-molding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl types.

The component that makes this unique from other plastic manufacturing processes that no pressure is called for. It also has few contenders when it comes to the production of large size hollow products which are durable and inexpensive.There is a variety of product lines that are produced by this process including large water tanks, automobile products, complex molded medical products, leisure equipment, toys, canoes, industrial equipment among many others.This is because of the flexibility in regards to type and forms that the process manufactures

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Osburn ID 83849, 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-Osburn-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 Osburn 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 Roto-Molding Process in Detail

This moulding system has been used since early times for creatingvseverl products. Egyptians for instance, worked with roto-molding systems in the manufacturing of ceramics. The Swiss were also working with this rotation format to create hollow chocolate eggs. Some plastic products in the USA were made using this procedure some time between 1940 and 1950. The procedure has however taken very long to catch on because it was considered as being a rather slow-moving process

1. Mould readying.
A fixed amount of polymer in particle form is filled into a hollow mould. The mould is usually comprised of cast aluminium or sheet steel material. The coloring intended for the finished product 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 style of plastic engineering.

Preheating 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 secured and installed within the oven.

2. The heating up and fusion phase.
Once within the oven, the mould is turned on two axis so the powdered polymer liquefies from the heat and layers the inside if the mould. The spinning is done slowly, about 20 rotations per sixty seconds. The main thing that is essential at this point is the amount of time the mould will spend inside the oven. If it overstays, the product will lose stability and durability, creating a weak item. If it is taken out from the oven prematurely, the polymer will not have melted properly, which develops bubbles in the finalized product.

3. Mold cooling.
When the component has completely spent the enough 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 generates a cool mist. When the material cools, it shrinks a little for ease of removal from the mold. This is one more procedure that depends a lot on the ideal timing, since rapid cooling decreases the material too rapidly, causing warping of the material.

4. The unloading or de-molding step.
Once the product within te mold has cooled correctly, the person taking care of the procedure can then extract the finished item from the mold. The function is repeated from the beginning, giving a series of identical product lines.

For more information on the different rotational rotomolding options offered for the Osburn ID 83849 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 plastic products

Local Resources

Production Example
Google Map