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

rotational molding-Parsons-Rotational molding refers to a plastic production technique that generates hollow stress-free products. The technique uses high temperatures and bi axial rotation to follow up with seamless, one piece items that have varying shapes, sizes and colors. This technique is also known as roto-molding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl types.

The feature that makes this unique from other plastic manufacturing methods that no pressure is involved. It also has few contenders when it comes down to the production of sizable hollow products which are long-lasting and inexpensive.There is a variety of products that are developed by this process including large water tanks, automobile products, intricate molded medical products, leisure equipment, toys, kayaks, commercial equipment among many others.This is due to the flexibility in terms of style and shapes that the process makes

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Parsons TN 38363, 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

Plastic Manufacturing-Parsons-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 Tennessee 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 Parsons Tennessee 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 Components

This moulding method has been used since earlier times for creatingvseverl product lines. Egyptians as an example, applied roto-molding systems in the of ceramics. The Swiss were also employing this rotation approach to generate hollow chocolate eggs. Some plastic product lines in the USA were made utilizing this approach some time between 1940 and 1950. The procedure has however taken long to catch on because it was thought of to be a somewhat slow-moving process

1. Mould prep work.
A fixed measure of polymer in powder form is filled into a hollow mould. The mold is usually built from cast aluminium or sheet steel component. The colour intended for the final item is pre compounded into the polymer. The most typically used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this format of plastic manufacturing.

Pre-heating of the oven starts, and it may 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 put within the oven.

2. The heating up and fusion procedure.
Once placed into the oven, the mould is turned on two axis so the powdered polymer melts from the heat and layers the inside if the mould. The spinning is done gradually, about 20 revolutions per min. One thing that is critical at this point is the amount of time the mould will spend inside the oven. If it stays to long, the component will lose stability and durability, generating a poor item. If it is removed from the oven prematurely, the polymer will not have liquefied correctly, which generates bubbles in the finished product line.

3. Mould cooling down.
When the product has sufficiently spent the right amount of time in the oven, it is then extracted 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 a little for ease of removal from the mould. This is yet another procedure that depends upon a lot on the correct timing, since rapid cooling reduces the material too quick, causing warping of the product.

4. The offloading or de-moulding step.
Once the component within te mould has cooled effectively, the molder managing the procedure can then remove the completed product from the mold. The procedure is repeated from the start, providing a number of exact product lines.

For more information on the different rotational molding options offered for the Parsons TN 38363 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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