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

rotational molding-Norwich-Rotational molding refers to a plastic manufacturing solution that creates hollow stress-free product lines. The function depends on high temperatures and bi axial rotation to come up with seamless, one piece items that have varying shapes, colors and sizes. This procedure is also known as rotomoulding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl types.

The function that makes this different from other plastic manufacturing methods in that no pressure is required. It also has few competitors when it involves the creation of sizable hollow items which are durable and inexpensive.There is a wide range of items that are produced by this process including large water tanks, automobile products, complex molded medical items, leisure equipment, toys, canoes, industrial equipment among many others.This is due to the versatility in regards to type and shapes that the process creates

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Norwich NY 13815, 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 Molding-Norwich-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 New York 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 Norwich New York 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 Process in Detail

This moulding technique has been used since earlier times for creatingvseverl products. Egyptians for instance, used rotational molding methods in the creating of ceramics. The Swiss were also employing this rotation approach to create hollow chocolate eggs. Some plastic items in the USA were manufactured using this technique some time between 1940 and 1950. Given that it was looked at to be a very slow approach, the process has however taken long to become popular

1. Mold readying.
A predetermined measure of polymer in particle form is loaded into a hollow mold. The mould is usually made from cast aluminium or sheet steel substance. The coloring preferred for the end 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 format of plastic engineering.

Pre-heating 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 secured and installed inside the oven.

2. The heating and fusion phase.
Once inside the oven, the mold is spun on two axis so the powdered polymer melts from the heat and overlays the inside if the mold. The rotation is done slowly, about 20 revolutions per sixty seconds. The main thing that is crucial at this point is the period of time the mold will spend within the oven. If it overstays, the component will lose value and strength, making a poor product. If it is extracted from the oven prematurely, the polymer will not have flowed properly, which develops bubbles in the finished product line.

3. Mould cooling.
When the material has sufficiently spent the right 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 creates a cool mist. When the material cools, it reduces slightly for ease of extraction from the mold. This is one more step that relies a lot on the ideal timing, since rapid cooling decreases the material too rapidly, causing warping of the product.

4. The unloading or de-molding step.
As soon as the component within te mould has cooled properly, the person managing the procedure can then extract the finalized product from the mold. The function is repeated from the beginning, giving a series of similar items.

For more information on the different rotational molding options offered for the Norwich NY 13815 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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