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

rotational molding-Wyckoff-Rotational molding pertains to a plastic production practice that makes hollow stress-free products. The process relies upon high temperatures and bi axial rotation to follow up with seamless, one piece objects that have varying forms, sizes and colors. This method is also known as rotomoulding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl types.

The component that makes this different from other plastic manufacturing techniques in that no pressure is needed. It also has few contenders when it comes down to the production of large size hollow products which are resilient and inexpensive.There is a wide variety of products that are created by this process including big water tanks, automobile materials, complex shaped medical products, leisure equipment, toys, kayaks, industrial equipment among many others.This is due to the versatility in terms of style 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 Wyckoff NJ 7481, 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 Molding-Wyckoff-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 Wyckoff 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 Roto-Molding Method in Detail

This moulding operation has been used since earlier times for creatingvseverl products. Egyptians as an example, utilized rotational molding solutions in the of ceramics. The Swiss were also employing this rotation approach to make hollow chocolate eggs. Some plastic products in the USA were made using this method some time between 1940 and 1950. Due to the fact that it was thought of to be a basically slow-moving method, the technique has however taken long to catch on

1. Mould preparation.
A fixed measure of polymer in grain form is loaded into a hollow mould. The mold is usually made of cast aluminium or sheet steel substance. The coloration needed for the finished item 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 manufacturing.

Preheating of the oven follows, and it can be done by either conduction, convection or sometimes radiation. It is heated to temperatures between 500-700F. The mold with the powdered polymer is then locked and inserted inside the oven.

2. The heat and fusion step.
Once placed into the oven, the mould is turned on two axis so the powdered polymer melts from the heat and overlays the inside if the mould. The rotation is done slowly, about 20 spins per minute. The main thing that is crucial at this moment is the period of time the mold will spend within the oven. If it stays to long, the component will lose stability and durability, making a weak item. If it is extracted from the oven too early, the polymer will not have flowed correctly, which produces bubbles in the finished product.

3. Mold cooling.
When the product has completely spent the correct amount 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 a cool mist. When the component cools, it reduces slightly for ease of removal from the mold. This is yet another procedure that depends a lot on the right timing, since quick cooling shrinks the material too quickly, causing bending of the product.

4. The un-loading or de-molding phase.
As soon as the product inside te mould has cooled successfully, the molder taking care of the procedure can then remove the completed item from the mould. The process is repeated from the start, making a series of exact product lines.

For more information on the different rotational rotomolding options offered for the Wyckoff NJ 7481 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 molded

Local Resources

Production Example
Google Map