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

rotomoulding-Centereach-Rotational molding refers to a plastic production procedure that makes hollow stress-free items. The procedure depends on high temperatures and bi axial rotation to come up with seamless, one piece items that have several designs, sizes and colors. This procedure is also known as rotomoulding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The attribute that makes this different from other plastic manufacturing methods because no pressure is required. It also has few competitors when it comes down to the creation of sizable hollow products which are long lasting and inexpensive.There is a variety of product lines that are created by this process including large size water tanks, automobile products, complex designed medical items, recreation equipment, toys, canoes, industrial equipment among many others.This is because of the versatility in regards to type and forms that the process manufactures

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Centereach NY 11720, 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

Custom Molded-Centereach-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 Centereach 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 Method in Detail

This moulding technique has been used since earlier times for creatingvseverl products. Egyptians for instance, applied rotocasting methods in the of ceramics. The Swiss were also utilizing this rotation technique to make hollow chocolate eggs. Some plastic product lines in the USA were created using this approach some time between 1940 and 1950. The technique has however taken long to take affect because it was looked at as being a pretty slow process

1. Mold readying.
A predetermined measure of polymer in powder form is loaded into a hollow mold. The mould is usually composeded of cast aluminium or sheet steel material. The colour preferred for the final product 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 assembly.

Preheating of the oven starts, 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 sealed and positioned into the oven.

2. The heating up and fusion procedure.
Once placed into 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, about 20 revolutions per min. The main thing that is important 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, creating a poor product. If it is taken out from the oven too early, the polymer will not have melted correctly, which produces bubbles in the finalized product line.

3. Mould cooling.
When the component 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 creates a cool mist. When the component cools, it shrinks slightly for ease of extraction from the mold. This is another step that depends upon a lot on the correct timing, since rapid cooling shrinks the material too quickly, causing warping of the product.

4. The un-loading or de-molding step.
Once the product within te mould has cooled properly, the person handling the procedure can then remove the finished product from the mold. The function is repeated from the start, giving a number of identical items.

For more information on the different rotational molding options offered for the Centereach NY 11720 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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