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

rotational moulding-Gooding-Rotational molding pertains to a plastic manufacturing procedure that creates hollow stress-free items. The technique uses high temperatures and bi axial rotation to come up with seamless, one piece products that have many different forms, colors and sizes. This technique is also known as rotomoulding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl styles.

The benefit that makes this unique from other plastic manufacturing procedures in that no pressure is involved. It also has few rivals when it comes to the production of large hollow items which are long lasting and inexpensive.There is a wide range of items that are generated by this process including large size water tanks, automobile products, sophisticated shaped medical products, recreation equipment, toys, kayaks, industrialized equipment among many others.This is due to the versatility in regards to style 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 Gooding ID 83330, 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 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 Products-Gooding-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 Gooding 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 in Detail

This molding operation has been used since earlier times for creatingvseverl products. Egyptians for instance, applied roto-molding procedures in the of ceramics. The Swiss were also applying this rotation style to create hollow chocolate eggs. Some plastic products in the USA were created utilizing this technique some time between 1940 and 1950. The process has however taken long to take affect because it was looked at to be a somewhat slow-moving process

1. Mold prep work.
A predetermined quantity of polymer in particle form is loaded into a hollow mould. The mold is usually comprised of cast aluminium or sheet steel component. The coloring chosen for the final item 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 design of plastic assembly.

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

2. The heating and fusion phase.
Once inside the oven, the mould is rotated on two axis so the powdered polymer liquefies from the heat and overlays the inside if the mould. The turning is done slowly, about 20 spins per minute. The main thing that is vital at this moment is the amount of time the mold will spend inside the oven. If it stays to long, the product will lose value and strength, generating a poor product. If it is taken out from the oven too early, the polymer will not have liquefied correctly, which develops bubbles in the finalized item.

3. Mould cooling.
When the product has sufficiently spent the right amount of time in the oven, it is then removed 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 reduces slightly for ease of removal from the mold. This is yet another measure that depends upon a lot on the ideal timing, since quick cooling shrinks the material too quickly, causing bending of the product.

4. The unloading or de-molding phase.
When the material within te mold has cooled correctly, the person taking care of the process can then remove the finalized product from the mould. The procedure is repeated from the beginning, providing a number of exact products.

For more information on the different rotational rotomolding options offered for the Gooding ID 83330 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