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

rotomolding-Hancock-Rotational moulding refers to a plastic production method that produces hollow stress-free product lines. The process depends on high temperatures and bi axial rotation to come up with seamless, one piece products that have a variety of designs, sizes and colors. This method is also called rotomoulding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl forms.

The feature that makes this different from other plastic manufacturing procedures that no pressure is involved. It also has few competitors when it comes down to the creation of large size hollow products which are durable and inexpensive.There is a variety of product lines that are created by this process including big water tanks, automobile materials, intricate shaped medical products, leisure equipment, toys, kayaks, commercial equipment among many others.This is due to the versatility in terms of type and shapes that the process makes

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Hancock NY 13783, 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 roto-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

Custom Molding-Hancock-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 Hancock 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 Rotomoulding Method Components

This molding method has been used since ancient times for creatingvseverl product lines. Egyptians for instance, utilized rotomoulding solutions in the creating of ceramics. The Swiss were also using this rotation method to generate hollow chocolate eggs. Some plastic products in the USA were made using this method some time between 1940 and 1950. Since it was thought of to be a basically slow system, the approach has however taken long to catch on

1. Mould readying.
A fixed amount of polymer in powder form is loaded into a hollow mold. The mould is usually composeded of cast aluminium or sheet steel material. The color tone chosen 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 type of plastic manufacturing.

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 secured and inserted within the oven.

2. The heat and fusion step.
Once placed into the oven, the mould is spun on two axis so the powdered polymer melts from the heat and coats the inside if the mold. The spinning is done slowly and gradually, about 20 revolutions per minute. Something that is important at this moment is the amount of time the mold will spend inside the oven. If it overstays, the component will lose stability and durability, making a poor item. If it is extracted from the oven prematurely, the polymer will not have melted correctly, which produces bubbles in the finalized product line.

3. Mould cooling down.
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 component cools, it shrinks slightly for ease of extraction from the mould. This is yet another step that depends a lot on the right timing, since rapid cooling decreases the material too fast, causing bending of the item.

4. The removing or de-moulding phase.
When the product inside te mould has cooled adequately, the molder handling the procedure can then extract the completed product from the mould. The function is repeated from the start, providing a number of exact products.

For more information on the different rotational molding options offered for the Hancock NY 13783 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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