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

rotational moulding-Plantsville-Rotational moulding pertains to a plastic manufacturing method that produces hollow stress-free items. The technique uses high temperatures and bi axial rotation to follow up with seamless, one piece objects that have different forms, colors and sizes. This technique is also referred to as rotomolding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl forms.

The benefit that makes this different from other plastic manufacturing processes in that no pressure is involved. It also has few rivals when it comes to the production of large hollow items which are long-lasting and inexpensive.There is a variety of items that are developed by this process including large water tanks, automobile items, sophisticated shaped medical items, recreation equipment, toys, kayaks, industrialized equipment among many others.This is because of the versatility in regards to style and shapes that the process manufactures

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Plantsville CT 6479, 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 Manufacturing-Plantsville-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 Plantsville 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 Rotomoulding Method Components

This moulding operation has been used since ancient times for creatingvseverl items. Egyptians for example, employed rotocasting methods in the creating of ceramics. The Swiss were also working with this rotation style to make hollow chocolate eggs. Some plastic items in the USA were made utilizing this technique some time between 1940 and 1950. Given that it was looked at to be a somewhat slow-moving process, the process has however taken long to become popular

1. Mold preparation.
A predetermined measure of polymer in grain form is filled into a hollow mould. The mould is usually comprised of cast aluminium or sheet steel component. The coloring needed for the final item 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 format of plastic engineering.

Preheating of the oven follows, and it can be done by either conduction, convection or sometimes radiation. It is heated to temperatures between 500-700F. The mould with the powdered polymer is then locked and put inside the oven.

2. The heating and fusion procedure.
Once placed into the oven, the mould is revolved on two axis so the powdered polymer liquefies from the heat and coats the inside if the mold. The spinning is done slowly and gradually, about 20 revolutions per minute. One thing that is critical at this point is the period of time the mould will spend within the oven. If it overstays, the product will lose value and durability, creating a faulty item. If it is extracted from the oven too early, the polymer will not have flowed correctly, which develops bubbles in the finalized product.

3. Mold cooling down.
When the product has completely spent the correct amount of time in the oven, it is then removed for cooling. This may be done by air or water, or sometimes a mixture of both which generates a cool mist. When the component cools, it shrinks slightly for ease of extraction from the mould. This is one more step that depends a lot on the correct timing, since rapid cooling decreases the material too fast, causing warping of the item.

4. The offloading or de-molding step.
As soon as the material within te mold has cooled successfully, the person taking care of the process can then remove the finalized product from the mold. The process is repeated from the beginning, providing a number of exact products.

For more information on the different rotational rotomolding options offered for the Plantsville CT 6479 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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