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

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

The component that makes this unique from other plastic manufacturing techniques because no pressure is needed. It also has few competitors when it involves the production of sizable hollow items which are resilient and inexpensive.There is a wide variety of product lines that are generated by this process including big water tanks, automobile materials, sophisticated shaped medical items, leisure equipment, toys, canoes, industrialized equipment among many others.This is due to the flexibility in regards to type and shapes that the process produces

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Lyndhurst NJ 7071, 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 rotomoulding 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-Lyndhurst-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 Lyndhurst 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 Process in Detail

This moulding technique has been used since ancient times for creatingvseverl product lines. Egyptians as an example, used rotomoulding solutions in the producing of ceramics. The Swiss were also working with this rotation technique to create hollow chocolate eggs. Some plastic product lines in the USA were made utilizing this approach some time between 1940 and 1950. Considering that it was looked at to be a fairly slow technique, the technique has however taken long to catch on

1. Mould preparation.
A predetermined measure of polymer in powder form is packed into a hollow mold. The mould is usually made of cast aluminium or sheet steel component. The color desired 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 design of plastic engineering.

Pre-heating of the oven follows, and it may be done by either conduction, convection or sometimes radiation. It is heated up to temperatures between 500-700F. The mold with the powdered polymer is then secured and positioned inside the oven.

2. The heat and fusion process.
Once placed into the oven, the mold is rotated on two axis so the powdered polymer melts from the heat and overlays the inside if the mold. The turning is done slowly, about 20 revolutions per min. One thing that is critical at this moment is the amount of time the mould will spend within the oven. If it stays to long, the product will lose stability and strength, creating a poor item. If it is extracted from the oven too early, the polymer will not have flowed correctly, which creates bubbles in the completed product.

3. Mold cooling down.
When the product 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 creates a cool mist. When the material cools, it reduces a little for ease of removal from the mould. This is an additional step that relies a lot on the correct timing, since quick cooling shrinks the material too fast, causing bending of the material.

4. The unloading or de-moulding phase.
Once the product inside te mould has cooled adequately, the person handling the operation can then extract the completed product from the mold. The technique is repeated from the start, making a number of identical items.

For more information on the different rotational rotomolding options offered for the Lyndhurst NJ 7071 area, please call our toll free number  866-971-7861 or fill out the form on the right for a consultation!

Other areas we service, go here to custom molding

Local Resources

Production Example
Google Map