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

roto-molding-Northford-Rotational molding pertains to a plastic production technique that generates hollow stress-free items. The function uses high temperatures and bi axial rotation to come up with seamless, one piece products that have different shapes, colors and sizes. This technique is also called rotomoulding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl types.

The component that makes this different from other plastic manufacturing methods in that no pressure is called for. It also has few competitors when it comes down to the creation of large hollow products which are resilient and inexpensive.There is a wide range of product lines that are generated by this process including big water tanks, automobile items, sophisticated molded medical products, leisure equipment, toys, kayaks, industrialized equipment among many others.This is due to the flexibility in terms of design and forms that the process makes

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Northford CT 6472, 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 moulding 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-Northford-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 Northford 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 Procedure in Detail

This moulding process has been used since ancient times for creatingvseverl product lines. Egyptians for instance, applied rotocasting systems in the of ceramics. The Swiss were also utilizing this rotation approach to generate hollow chocolate eggs. Some plastic products in the USA were developed utilizing this method some time between 1940 and 1950. Since it was looked at to be a rather slow process, the process has however taken long to catch on

1. Mold preparation.
A predetermined volume of polymer in grain form is loaded into a hollow mould. The mould is usually comprised of cast aluminium or sheet steel substance. The coloration intended for the finished goods is pre compounded into the polymer. The most commonly used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this style of plastic production.

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 locked and put within the oven.

2. The heating and fusion phase.
Once within the oven, the mold is rotated on two axis so the powdered polymer melts from the heat and overlays the inside if the mold. The rotation is done gradually, about 20 rotations per min. One thing that is critical 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 poor item. If it is removed from the oven too early, the polymer will not have flowed correctly, which generates bubbles in the finished item.

3. Mold cooling down.
When the product has completely spent the enough 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 generates a cool mist. When the material cools, it shrinks somewhat for ease of extraction from the mold. This is yet another step that depends upon a lot on the correct timing, since rapid cooling shrinks the material too quick, causing warping of the material.

4. The discharging or de-molding phase.
When the component within te mould has cooled adequately, the molder handling the procedure can then extract the finalized product from the mould. The function is repeated from the beginning, making a series of exact product lines.

For more information on the different rotational rotomolding options offered for the Northford CT 6472 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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