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

roto-molding-Bassett-Rotational molding refers to a plastic production technique that creates hollow stress-free products. The procedure relies on high temperatures and bi axial rotation to follow up with seamless, one piece objects that have different designs, sizes and colors. This method is also called rotomoulding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl types.

The attribute that makes this different from other plastic manufacturing techniques that no pressure is required. It also has few competitors when it comes to the creation of large size hollow items which are durable and inexpensive.There is a wide variety of product lines that are developed by this process including big water tanks, automobile materials, sophisticated shaped medical items, leisure equipment, toys, kayaks, industrialized equipment among many others.This is due to the flexibility in regards to design 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 Bassett VA 24055, 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 roto-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

Custom Molding-Bassett-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 Bassett 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 in Detail

This molding method has been used since earlier times for creatingvseverl items. Egyptians as an example, utilized rotational molding procedures in the creating of ceramics. The Swiss were also working with this rotation method to generate hollow chocolate eggs. Some plastic items in the USA were made utilizing this technique some time between 1940 and 1950. The procedure has however taken very long to take affect because it was considered to be a relatively slow process

1. Mould fitting.
A fixed measure of polymer in powder form is filled into a hollow mold. The mould is usually built from cast aluminium or sheet steel component. The coloring desired for the final item is pre compounded into the polymer. The most commonly 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 follows, and it may be done by either conduction, convection or sometimes radiation. It is warmed to temperatures between 500-700F. The mould with the powdered polymer is then secured and put into the oven.

2. The heating and fusion process.
Once inside the oven, the mold is turned on two axis so the powdered polymer liquefies from the heat and coats the inside if the mold. The spinning is done gradually, about 20 revolutions per sixty seconds. One thing that is important at this moment is the amount of time the mould will spend within the oven. If it overstays, the component will lose value and strength, making a weak product. If it is removed from the oven too early, the polymer will not have flowed properly, which develops bubbles in the finalized item.

3. Mold cooling.
When the component has sufficiently spent the correct amount of time in the oven, it is then taken out for cooling. This may be done by air or water, or sometimes a mixture of both which generates a cool mist. When the component cools, it reduces a little for ease of removal from the mould. This is another measure that relies a lot on the right timing, since quick cooling reduces the material too quickly, causing bending of the material.

4. The unloading or de-moulding phase.
Once the component inside te mould has cooled successfully, the molder taking care of the process can then remove the completed product from the mould. The procedure is repeated from the beginning, providing a series of identical product lines.

For more information on the different rotational rotomolding options offered for the Bassett VA 24055 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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