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

rotational molding-Waterford-Rotational molding refers to a plastic production procedure that makes hollow stress-free product lines. The procedure utilizes high temperatures and bi axial rotation to come up with seamless, one piece objects that have various shapes, colors and sizes. This method is also referred to as rotomolding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl forms.

The component that makes this different from other plastic manufacturing processes because no pressure is involved. It also has few rivals when it comes down to the manufacture of large hollow items which are durable and inexpensive.There is a variety of items that are created by this process including big water tanks, automobile materials, complex molded medical items, recreation equipment, toys, canoes, industrialized equipment among many others.This is due to the versatility 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 Waterford VA 20197, 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 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

Plastic Products-Waterford-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 Waterford 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 molding technique has been used since ancient times for creatingvseverl product lines. Egyptians for instance, worked with rotocasting systems in the making of ceramics. The Swiss were also making use of this rotation approach to generate hollow chocolate eggs. Some plastic items in the USA were developed using this approach some time between 1940 and 1950. The procedure has however taken long to take affect because it was looked at as being a moderately slow-moving process

1. Mold preparation.
A fixed quantity of polymer in grain form is filled into a hollow mold. The mould is usually built from cast aluminium or sheet steel component. The coloration needed for the end item 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 design of plastic engineering.

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 sealed and positioned into the oven.

2. The heating up and fusion phase.
Once within the oven, the mould is spun on two axis so the powdered polymer melts from the heat and layers the inside if the mold. The rotation is done slowly, about 20 rotations per sixty seconds. Something that is critical at this moment is the period of time the mould will spend inside the oven. If it overstays, the component will lose stability and durability, generating a faulty product. If it is removed from the oven prematurely, the polymer will not have melted correctly, which produces bubbles in the completed item.

3. Mold cooling down.
When the component has sufficiently spent the right 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 generates a cool mist. When the material cools, it shrinks somewhat for ease of extraction from the mould. This is yet another measure that depends a lot on the ideal timing, since rapid cooling decreases the material too rapidly, causing bending of the material.

4. The discharging or de-molding step.
Once the material within te mold has cooled adequately, the person taking care of the process can then remove the finished item from the mould. The function is repeated from the start, providing a number of identical items.

For more information on the different rotational rotomolding options offered for the Waterford VA 20197 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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