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

rotational molding-Franklin-Rotational molding pertains to a plastic production practice that generates hollow stress-free product lines. The technique uses high temperatures and bi axial rotation to come up with seamless, one piece products that have several shapes, colors and sizes. This method is also called rotomoulding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl styles.

The feature that makes this unique from other plastic manufacturing procedures that no pressure is called for. It also has few rivals when it involves the creation of sizable hollow products which are long lasting and inexpensive.There is a wide variety of product lines that are produced by this process including large size water tanks, automobile products, intricate shaped medical items, recreation equipment, toys, canoes, industrial equipment among many others.This is because of the flexibility in terms of design and forms that the process produces

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Franklin VA 23851, 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-Franklin-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 Franklin 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 Rotomolding Procedure in Detail

This molding technique has been used since earlier times for creatingvseverl items. Egyptians as an example, utilized rotomoulding techniques in the producing of ceramics. The Swiss were also working with this rotation approach to generate hollow chocolate eggs. Some plastic products in the USA were created utilizing this technique some time between 1940 and 1950. The procedure has however taken very long to take affect because it was looked at to be a very slow-moving process

1. Mold readying.
A predetermined measure of polymer in powder form is loaded into a hollow mold. The mould is usually constructed from cast aluminium or sheet steel substance. The color tone chosen for the end product 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 type of plastic assembly.

Pre-heating of the oven follows, and it can be done by either conduction, convection or sometimes radiation. It is heated up to temperatures between 500-700F. The mold with the powdered polymer is then sealed and put within the oven.

2. The heating up and fusion process.
Once placed into the oven, the mould is turned on two axis so the powdered polymer melts from the heat and overlays the inside if the mould. The spinning is done slowly, about 20 spins per sixty seconds. Something that is vital at this moment is the period of time the mold will spend within the oven. If it overstays, the component will lose stability and durability, creating a poor product. If it is extracted from the oven too early, the polymer will not have flowed properly, which produces bubbles in the finished item.

3. Mould cooling down.
When the product has sufficiently spent the right 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 creates a cool mist. When the product cools, it shrinks slightly for ease of extraction from the mould. This is an additional measure that relies a lot on the ideal timing, since rapid cooling reduces the material too rapidly, causing warping of the material.

4. The discharging or de-moulding step.
As soon as the product within te mold has cooled adequately, the molder managing the operation can then extract the finished item from the mold. The technique is repeated from the start, supplying a series of exact product lines.

For more information on the different rotational rotomolding options offered for the Franklin VA 23851 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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