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

rotational moulding-Fairfax Station-Rotational molding refers to a plastic production technique that makes hollow stress-free product lines. The technique uses high temperatures and bi axial rotation to come up with seamless, one piece products that have different forms, sizes and colors. This technique is also referred to as rotomolding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl types.

The benefit that makes this unique from other plastic manufacturing methods in that no pressure is called for. It also has few competitors when it pertains to the manufacture of large hollow items which are durable and inexpensive.There is a variety of products that are developed by this process including large size water tanks, automobile products, sophisticated shaped medical items, recreation equipment, toys, canoes, industrial equipment among many others.This is due to the flexibility in terms of design 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 Fairfax Station VA 22039, 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 rotocasting 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 Molding-Fairfax Station-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 Virginia 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 Fairfax Station Virginia 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 Method Components

This molding system has been used since early times for creatingvseverl items. Egyptians as an example, worked with rotational molding systems in the producing of ceramics. The Swiss were also applying this rotation style to generate hollow chocolate eggs. Some plastic products in the USA were created using this approach some time between 1940 and 1950. Given that it was looked at to be a relatively slow procedure, the technique has however taken long to catch on

1. Mould readying.
A fixed measure of polymer in powder form is packed into a hollow mold. The mold is usually built from cast aluminium or sheet steel component. The coloration wanted 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 style of plastic assembly.

Pre-heating 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 placed within the oven.

2. The heating up and fusion procedure.
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 mould. The rotation is done gradually, about 20 revolutions per min. The main thing that is crucial at this moment is the period of time the mould will spend inside the oven. If it overstays, the component will lose value and strength, producing a poor item. If it is removed from the oven too early, the polymer will not have melted correctly, which produces bubbles in the finalized product line.

3. Mold cooling down.
When the material 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 creates a cool mist. When the product cools, it shrinks somewhat for ease of extraction from the mould. This is another step that depends upon a lot on the right timing, since quick cooling decreases the material too rapidly, causing warping of the item.

4. The removing or de-moulding step.
As soon as the material inside te mold has cooled successfully, the person taking care of the process can then extract the finished product from the mold. The technique is repeated from the start, supplying a series of similar items.

For more information on the different rotational rotomolding options offered for the Fairfax Station VA 22039 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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