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

rotomoulding-Farmingdale-Rotational molding refers to a plastic production method that creates hollow stress-free product lines. The function relies on high temperatures and bi axial rotation to come up with seamless, one piece items that have various designs, colors and sizes. This technique is also referred to as roto-molding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl types.

The function that makes this different from other plastic manufacturing processes because no pressure is needed. It also has few competitors when it involves the manufacture of large hollow items which are durable and inexpensive.There is a wide variety of items that are produced by this process including large water tanks, automobile materials, sophisticated molded medical items, leisure equipment, toys, kayaks, industrial equipment among many others.This is because of the versatility 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 Farmingdale NY 11735, 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 rotomolding 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-Farmingdale-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 Farmingdale 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 Procedure Components

This molding procedure has been used since ancient times for creatingvseverl product lines. Egyptians for instance, applied rotomoulding systems in the making of ceramics. The Swiss were also applying this rotation design to create hollow chocolate eggs. Some plastic products in the USA were developed utilizing this method some time between 1940 and 1950. Since it was regarded to be a very slow-moving system, the procedure has however taken long to become popular

1. Mold readying.
A predetermined volume of polymer in particle form is loaded into a hollow mold. The mold is usually comprised of cast aluminium or sheet steel material. The color tone wanted for the final item 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 design of plastic production.

Preheating of the oven follows, and it can 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 locked and put into the oven.

2. The heat and fusion process.
Once within the oven, the mould is revolved on two axis so the powdered polymer liquefies from the heat and overlays the inside if the mold. The rotation is done slowly and gradually, about 20 rotations per minute. Something that is essential at this moment is the amount of time the mold will spend within the oven. If it overstays, the component will lose value and durability, making a faulty product. If it is taken out from the oven prematurely, the polymer will not have flowed correctly, which creates bubbles in the finalized product.

3. Mould cooling down.
When the material has sufficiently spent the right amount 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 generates a cool mist. When the product cools, it shrinks slightly for ease of extraction from the mold. This is yet another step that depends a lot on the right timing, since rapid cooling decreases the material too quickly, causing bending of the item.

4. The offloading or de-molding step.
As soon as the component inside te mold has cooled effectively, the molder handling the operation can then remove the finalized product from the mold. The function is repeated from the start, making a series of exact products.

For more information on the different rotational molding options offered for the Farmingdale NY 11735 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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