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

rotomoulding-Boring-Rotational moulding refers to a plastic manufacturing solution that generates hollow stress-free product lines. The function utilizes high temperatures and bi axial rotation to come up with seamless, one piece objects that have different forms, sizes and colors. This method is also known as rotomoulding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl types.

The attribute that makes this different from other plastic manufacturing processes that no pressure is involved. It also has few contenders when it comes down to the production of large size hollow products which are resilient and inexpensive.There is a wide range of product lines that are produced by this process including large size water tanks, automobile materials, complex designed medical products, leisure equipment, toys, kayaks, industrialized equipment among many others.This is because of the versatility in regards to design 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 Boring OR 97009, 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 moulding 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-Boring-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 Oregon 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 Boring Oregon 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 technique has been used since early times for creatingvseverl items. Egyptians for instance, used roto-molding systems in the making of ceramics. The Swiss were also applying this rotation type to make hollow chocolate eggs. Some plastic product lines in the USA were manufactured utilizing this method some time between 1940 and 1950. Considering that it was considered to be a rather slow technique, the method has however taken long to catch on

1. Mold preparation.
A fixed measure of polymer in particle form is filled into a hollow mould. The mould is usually composeded of cast aluminium or sheet steel substance. The coloration preferred for the end goods 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 production.

Preheating of the oven starts, and it can 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 locked and positioned inside the oven.

2. The heat and fusion step.
Once inside the oven, the mould is turned on two axis so the powdered polymer liquefies from the heat and layers the inside if the mold. The spinning is done slowly and gradually, about 20 rotations per min. The main thing that is important at this point is the period of time the mould will spend within the oven. If it overstays, the component will lose stability and strength, generating a faulty item. If it is taken out from the oven too early, the polymer will not have flowed properly, which creates bubbles in the completed product.

3. Mold cooling down.
When the component has completely spent the enough 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 a cool mist. When the material cools, it shrinks a little for ease of extraction from the mould. This is an additional procedure that depends upon a lot on the ideal timing, since rapid cooling shrinks the material too fast, causing warping of the material.

4. The discharging or de-moulding step.
Once the component within te mould has cooled properly, the molder managing the operation can then take out the completed product from the mold. The technique is repeated from the beginning, supplying a number of exact products.

For more information on the different rotational rotomolding options offered for the Boring OR 97009 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 molded

Local Resources

Production Example
Google Map