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

roto-molding-Ridgefield-Rotational molding pertains to a plastic production procedure that produces hollow stress-free products. The function relies upon high temperatures and bi axial rotation to come up with seamless, one piece objects that have different designs, colors and sizes. This technique is also called rotomolding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl types.

The function that makes this unique from other plastic manufacturing procedures that no pressure is called for. It also has few competitors when it involves the creation of large hollow products which are resilient and inexpensive.There is a wide range of products that are created by this process including large water tanks, automobile products, complex shaped medical products, leisure equipment, toys, kayaks, industrial equipment among many others.This is because of the flexibility 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 Ridgefield NJ 7657, 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 rotational moulding 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-Ridgefield-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 Ridgefield 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 Rotomolding Method Components

This molding system has been used since early times for creatingvseverl products. Egyptians for example, employed roto-molding systems in the making of ceramics. The Swiss were also using this rotation technique to create hollow chocolate eggs. Some plastic items in the USA were developed using this technique some time between 1940 and 1950. Considering that it was viewed to be a rather slow-moving procedure, the process has however taken long to become popular

1. Mould fitting.
A predetermined volume of polymer in powder form is loaded into a hollow mould. The mold is usually built from cast aluminium or sheet steel substance. The coloring chosen for the final product 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 engineering.

Preheating of the oven starts, and it can be done by either conduction, convection or sometimes radiation. It is heated up to temperatures between 500-700F. The mould with the powdered polymer is then locked and installed into the oven.

2. The heating and fusion step.
Once within the oven, the mould is spun on two axis so the powdered polymer liquefies from the heat and overlays the inside if the mould. The spinning is done slowly and gradually, about 20 revolutions per sixty seconds. The main thing that is vital at this point is the amount of time the mould will spend within the oven. If it overstays, the material will lose stability and durability, producing a weak product. If it is removed from the oven prematurely, the polymer will not have liquefied correctly, which develops bubbles in the completed product.

3. Mold cooling.
When the material has sufficiently spent the enough of time in the oven, it is then extracted for cooling. This can be done by air or water, or sometimes a mixture of both which generates a cool mist. When the product cools, it shrinks somewhat for ease of extraction from the mould. This is an additional step that relies a lot on the right timing, since rapid cooling decreases the material too fast, causing warping of the material.

4. The un-loading or de-molding phase.
When the material within te mold has cooled correctly, the molder managing the process can then extract the finalized product from the mold. The technique is repeated from the beginning, giving a series of exact products.

For more information on the different rotational rotomolding options offered for the Ridgefield NJ 7657 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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