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

rotomolding-Fairfax-Rotational molding pertains to a plastic production technique that generates hollow stress-free products. The method depends on high temperatures and bi axial rotation to come up with seamless, one piece products that have a variety of shapes, colors and sizes. This technique is also known as roto-molding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl styles.

The component that makes this unique from other plastic manufacturing methods because no pressure is required. It also has few contenders when it comes to the manufacture of large hollow products which are long-lasting and inexpensive.There is a wide range of products that are produced by this process including large water tanks, automobile items, complex shaped medical products, leisure equipment, toys, kayaks, commercial equipment among many others.This is because of the versatility in regards to 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 VA 22030, 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

Custom Molding-Fairfax-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 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 Rotomoulding Procedure Components

This moulding operation has been used since ancient times for creatingvseverl items. Egyptians as an example, utilized rotocasting systems in the making of ceramics. The Swiss were also employing this rotation style to make hollow chocolate eggs. Some plastic product lines in the USA were made utilizing this technique some time between 1940 and 1950. The procedure has however taken long to catch on because it was looked at as being a pretty slow-moving process

1. Mould fitting.
A predetermined volume of polymer in grain form is filled into a hollow mould. The mould is usually composeded of cast aluminium or sheet steel substance. The coloration desired for the final goods 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.

Preheating of the oven follows, 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 installed within the oven.

2. The heat and fusion procedure.
Once placed into the oven, the mold is spun on two axis so the powdered polymer liquefies from the heat and coats the inside if the mould. The turning is done gradually, about 20 rotations per minute. Something that is crucial at this point is the period of time the mould will spend inside the oven. If it overstays, the product will lose value and strength, producing a weak product. If it is taken out from the oven too early, the polymer will not have melted correctly, which develops bubbles in the finished product line.

3. Mold cooling.
When the product has sufficiently spent the correct 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 a cool mist. When the product cools, it shrinks somewhat for ease of extraction from the mould. This is another measure that relies a lot on the correct timing, since rapid cooling shrinks the material too quickly, causing warping of the product.

4. The offloading or de-moulding step.
As soon as the component inside te mould has cooled properly, the molder handling the procedure can then remove the completed item from the mould. The procedure is repeated from the start, making a number of similar product lines.

For more information on the different rotational rotomolding options offered for the Fairfax VA 22030 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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