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

rotational molding-Red Hook-Rotational moulding refers to a plastic manufacturing method that produces hollow stress-free product lines. The procedure uses high temperatures and bi axial rotation to come up with seamless, one piece products that have varying designs, sizes and colors. This method is also referred to as rotomolding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl types.

The feature that makes this unique from other plastic manufacturing procedures because no pressure is involved. It also has few contenders when it comes to the creation of large hollow products which are resilient and inexpensive.There is a wide variety of items that are created by this process including large water tanks, automobile products, intricate molded medical products, recreation equipment, toys, kayaks, commercial equipment among many others.This is because of the flexibility in regards to type 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 Red Hook NY 12571, 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 rotocasting 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-Red Hook-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 Red Hook 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 Components

This moulding technique has been used since early times for creatingvseverl product lines. Egyptians for example, worked with roto-molding systems in the producing of ceramics. The Swiss were also making use of this rotation style to generate hollow chocolate eggs. Some plastic product lines in the USA were developed utilizing this procedure some time between 1940 and 1950. Because it was regarded to be a rather slow process, the technique has however taken long to become popular

1. Mold readying.
A fixed quantity of polymer in particle form is loaded into a hollow mould. The mould is usually constructed from cast aluminium or sheet steel material. The color preferred for the final goods is pre compounded into the polymer. The most generally used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this format of plastic manufacturing.

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 mold with the powdered polymer is then locked and placed into the oven.

2. The heat and fusion step.
Once within the oven, the mold is rotated on two axis so the powdered polymer melts from the heat and coats the inside if the mold. The spinning is done gradually, about 20 rotations per minute. Something that is essential at this point is the period of time the mould will spend inside the oven. If it overstays, the product will lose stability and durability, generating a faulty product. If it is removed from the oven prematurely, the polymer will not have liquefied properly, which generates bubbles in the completed 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 a cool mist. When the component cools, it reduces slightly for ease of removal from the mold. This is an additional step that relies a lot on the ideal timing, since quick cooling reduces the material too rapidly, causing warping of the product.

4. The discharging or de-molding step.
As soon as the material inside te mould has cooled adequately, the person managing the procedure can then take out the completed product from the mold. The technique is repeated from the start, supplying a number of exact product lines.

For more information on the different rotational molding options offered for the Red Hook NY 12571 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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