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

rotational molding-Taconic-Rotational moulding pertains to a plastic manufacturing technique that produces hollow stress-free items. The technique depends on high temperatures and bi axial rotation to come up with seamless, one piece products that have a variety of designs, colors and sizes. This procedure is also known as roto-molding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The benefit that makes this unique from other plastic manufacturing procedures because no pressure is required. It also has few contenders when it involves the production of large size hollow products which are long-lasting and inexpensive.There is a wide variety of product lines that are produced by this process including big water tanks, automobile products, intricate molded medical items, recreation equipment, toys, canoes, industrialized equipment among many others.This is due to the versatility in regards to design and forms that the process creates

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Taconic CT 6079, 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 rotomoulding 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-Taconic-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 Taconic 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 Process in Detail

This moulding system has been used since early times for creatingvseverl products. Egyptians for instance, employed rotational molding systems in the manufacturing of ceramics. The Swiss were also using this rotation approach to generate hollow chocolate eggs. Some plastic product lines in the USA were made using this procedure some time between 1940 and 1950. Since it was thought of to be a fairly slow-moving technique, the method has however taken long to catch on

1. Mold readying.
A fixed amount of polymer in grain form is filled into a hollow mould. The mold is usually composeded of cast aluminium or sheet steel component. The coloration chosen for the end 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 design of plastic engineering.

Pre-heating of the oven starts, and it may 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 sealed and inserted inside the oven.

2. The heating up and fusion procedure.
Once inside the oven, the mould is spun on two axis so the powdered polymer melts from the heat and overlays the inside if the mould. The turning is done slowly and gradually, about 20 spins per min. One thing that is crucial at this moment is the amount of time the mold will spend within the oven. If it stays to long, the product will lose stability and durability, creating a faulty product. If it is taken out from the oven too early, the polymer will not have flowed properly, which creates bubbles in the finalized product line.

3. Mold cooling.
When the product has completely spent the correct 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 product cools, it reduces somewhat for ease of removal from the mould. This is yet another step that depends a lot on the ideal timing, since quick cooling reduces the material too quickly, causing warping of the material.

4. The offloading or de-moulding phase.
Once the product inside te mold has cooled properly, the molder taking care of the process can then remove the finished item from the mould. The function is repeated from the beginning, giving a series of identical items.

For more information on the different rotational rotomolding options offered for the Taconic CT 6079 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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