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

rotational moulding-Plainfield-Rotational molding pertains to a plastic manufacturing procedure that makes hollow stress-free products. The method utilizes high temperatures and bi axial rotation to follow up with seamless, one piece products that have a wide range of forms, sizes and colors. This procedure is also called rotomolding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl forms.

The feature that makes this unique from other plastic manufacturing procedures because no pressure is involved. It also has few competitors when it comes to the creation of large hollow items which are durable and inexpensive.There is a wide variety of items that are created by this process including large size water tanks, automobile products, intricate designed medical items, leisure equipment, toys, kayaks, industrial equipment among many others.This is because of the flexibility in terms of style and shapes that the process develops

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Plainfield CT 6374, 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 rotomolding 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-Plainfield-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 Connecticut 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 Plainfield Connecticut 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 Method Components

This moulding system has been used since ancient times for creatingvseverl items. Egyptians as an example, worked with rotocasting solutions in the making of ceramics. The Swiss were also utilizing this rotation type to create hollow chocolate eggs. Some plastic products in the USA were made using this approach some time between 1940 and 1950. Because it was looked at to be a somewhat slow-moving system, the process has however taken long to become popular

1. Mold fitting.
A fixed amount of polymer in powder form is loaded into a hollow mould. The mould is usually composeded of cast aluminium or sheet steel material. The colour preferred for the final goods is pre compounded into the polymer. The most often 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 starts, and it can be done by either conduction, convection or sometimes radiation. It is warmed to temperatures between 500-700F. The mold with the powdered polymer is then locked and put into the oven.

2. The heating up and fusion phase.
Once inside the oven, the mold is spun on two axis so the powdered polymer melts from the heat and layers the inside if the mold. The spinning is done slowly and gradually, about 20 revolutions per min. The main thing that is essential at this moment is the period of time the mould will spend inside the oven. If it overstays, the material will lose value and durability, producing a weak item. If it is extracted from the oven prematurely, the polymer will not have flowed properly, which generates bubbles in the finalized product.

3. Mold cooling.
When the material has completely spent the enough 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 creates a cool mist. When the product cools, it reduces a little for ease of extraction from the mold. This is an additional step that depends a lot on the right timing, since quick cooling shrinks the material too rapidly, causing bending of the product.

4. The removing or de-molding phase.
When the component inside te mould has cooled correctly, the person managing the process can then take out the completed product from the mould. The function is repeated from the start, providing a series of exact products.

For more information on the different rotational rotomolding options offered for the Plainfield CT 6374 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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