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

roto-molding-Nellysford-Rotational moulding pertains to a plastic manufacturing practice that produces hollow stress-free products. The function relies upon high temperatures and bi axial rotation to follow up with seamless, one piece items that have various forms, colors and sizes. This procedure is also referred to as rotomoulding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl types.

The component that makes this unique from other plastic manufacturing methods that no pressure is called for. It also has few rivals when it comes to the creation of large size hollow products which are long lasting and inexpensive.There is a wide variety of items that are produced by this process including large water tanks, automobile materials, intricate molded medical products, recreation equipment, toys, canoes, industrialized equipment among many others.This is due to the flexibility in terms of type and shapes that the process creates

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Nellysford VA 22958, 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

Custom Molded-Nellysford-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 Nellysford 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 Procedure in Detail

This moulding operation has been used since early times for creatingvseverl items. Egyptians as an example, worked with roto-molding systems in the making of ceramics. The Swiss were also utilizing this rotation method to create hollow chocolate eggs. Some plastic products in the USA were made utilizing this approach some time between 1940 and 1950. Considering that it was considered to be a relatively slow system, the approach has however taken long to become popular

1. Mould readying.
A predetermined volume of polymer in powder form is filled into a hollow mould. The mold is usually made from cast aluminium or sheet steel component. The coloration intended for the final 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.

Pre-heating of the oven starts, and it can 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 locked and installed inside the oven.

2. The heating and fusion process.
Once inside the oven, the mould is spun on two axis so the powdered polymer melts from the heat and layers the inside if the mould. The turning is done slowly, about 20 rotations per sixty seconds. The main thing that is vital at this point is the period of time the mould will spend within the oven. If it stays to long, the product will lose stability and durability, producing a faulty product. If it is removed from the oven too early, the polymer will not have flowed correctly, which creates bubbles in the completed product.

3. Mould cooling down.
When the component has completely spent the correct amount 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 component cools, it shrinks somewhat for ease of removal from the mold. This is yet another procedure that relies a lot on the correct timing, since rapid cooling decreases the material too fast, causing warping of the product.

4. The offloading or de-moulding step.
When the material within te mould has cooled adequately, the person handling the procedure can then extract the finished product from the mold. The procedure is repeated from the beginning, giving a series of exact items.

For more information on the different rotational rotomolding options offered for the Nellysford VA 22958 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