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

rotomolding-Plummer-Rotational moulding pertains to a plastic manufacturing solution that makes hollow stress-free items. The procedure utilizes high temperatures and bi axial rotation to follow up with seamless, one piece items that have a variety of shapes, colors and sizes. This technique is also known as rotomoulding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl forms.

The component that makes this unique from other plastic manufacturing techniques in that no pressure is involved. It also has few rivals when it involves the creation of sizable hollow products which are resilient and inexpensive.There is a wide variety of product lines that are generated by this process including large size water tanks, automobile products, intricate molded medical products, recreation equipment, toys, kayaks, commercial equipment among many others.This is due to the flexibility in terms of type and forms that the process makes

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Plummer ID 83851, 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 rotomoulding 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-Plummer-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 Plummer 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 Procedure Components

This molding procedure has been used since ancient times for creatingvseverl items. Egyptians for instance, used rotocasting solutions in the making of ceramics. The Swiss were also employing this rotation technique to create hollow chocolate eggs. Some plastic items in the USA were developed utilizing this technique some time between 1940 and 1950. The procedure has however taken long to take affect because it was considered to be a somewhat slow process

1. Mould fitting.
A predetermined quantity of polymer in particle form is packed into a hollow mould. The mould is usually made from cast aluminium or sheet steel component. The color tone preferred for the end goods is pre compounded into the polymer. The most typically used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this design of plastic production.

Preheating of the oven follows, and it may be done by either conduction, convection or sometimes radiation. It is heated up to temperatures between 500-700F. The mould with the powdered polymer is then sealed and inserted inside the oven.

2. The heat and fusion step.
Once within the oven, the mould is revolved on two axis so the powdered polymer liquefies from the heat and overlays the inside if the mould. The rotation is done slowly and gradually, about 20 revolutions per sixty seconds. Something that is important at this moment is the amount of time the mold will spend inside the oven. If it stays to long, the component will lose stability and durability, generating a weak item. If it is taken out from the oven too early, the polymer will not have flowed correctly, which generates bubbles in the finished product line.

3. Mold cooling down.
When the product has completely spent the right 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 a cool mist. When the component cools, it reduces slightly for ease of extraction from the mould. This is an additional measure that relies a lot on the correct timing, since quick cooling reduces the material too quick, causing warping of the product.

4. The unloading or de-moulding phase.
As soon as the product inside te mould has cooled successfully, the person handling the process can then take out the finished product from the mould. The function is repeated from the start, giving a series of identical items.

For more information on the different rotational rotomolding options offered for the Plummer ID 83851 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