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

rotational moulding-Riverdale-Rotational moulding refers to a plastic production technique that makes hollow stress-free products. The procedure utilizes high temperatures and bi axial rotation to come up with seamless, one piece products that have various shapes, sizes and colors. This procedure is also referred to as roto-molding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The component that makes this unique from other plastic manufacturing procedures because no pressure is called for. It also has few contenders when it pertains to the production of large size hollow products which are long-lasting and inexpensive.There is a wide range of products that are developed by this process including large water tanks, automobile items, intricate molded medical items, recreation equipment, toys, kayaks, industrialized equipment among many others.This is because of the flexibility in terms of design and forms that the process develops

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Riverdale NJ 7457, 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

Plastic Molding-Riverdale-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 Jersey 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 Riverdale New Jersey 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 moulding technique has been used since early times for creatingvseverl products. Egyptians as an example, worked with rotocasting procedures in the making of ceramics. The Swiss were also applying this rotation design to generate hollow chocolate eggs. Some plastic product lines in the USA were made using this procedure some time between 1940 and 1950. The technique has however taken very long to take affect because it was thought of to be a relatively slow process

1. Mould fitting.
A fixed measure of polymer in powder form is packed into a hollow mold. The mold is usually made of cast aluminium or sheet steel component. 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 format of plastic assembly.

Preheating 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 mould with the powdered polymer is then secured and positioned within the oven.

2. The heating 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 mould. The turning is done gradually, about 20 rotations per minute. Something that is critical at this moment is the period of time the mould will spend inside the oven. If it stays to long, the component will lose stability and durability, generating a weak product. If it is extracted from the oven too early, the polymer will not have melted correctly, which generates bubbles in the finished item.

3. Mould cooling.
When the product has completely 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 generates a cool mist. When the material cools, it shrinks somewhat for ease of removal from the mould. This is an additional measure that relies a lot on the right timing, since quick cooling reduces the material too fast, causing warping of the item.

4. The offloading or de-moulding phase.
When the product inside te mold has cooled correctly, the person taking care of the process can then extract the finalized item from the mould. The process is repeated from the start, making a number of similar products.

For more information on the different rotational rotomolding options offered for the Riverdale NJ 7457 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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