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

rotomolding-Paterson-Rotational moulding refers to a plastic manufacturing technique that creates hollow stress-free products. The function relies on high temperatures and bi axial rotation to follow up with seamless, one piece objects that have varying 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 feature that makes this unique from other plastic manufacturing methods because no pressure is required. It also has few rivals when it involves the production of large hollow products which are resilient and inexpensive.There is a variety of items that are created by this process including large water tanks, automobile products, intricate molded medical products, recreation equipment, toys, canoes, industrialized equipment among many others.This is because of the versatility in regards to style 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 Paterson NJ 7501, 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-Paterson-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 Paterson 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 in Detail

This moulding operation has been used since earlier times for creatingvseverl product lines. Egyptians as an example, utilized roto-molding methods in the making of ceramics. The Swiss were also utilizing this rotation design to generate hollow chocolate eggs. Some plastic product lines in the USA were developed utilizing this technique some time between 1940 and 1950. Because it was considered to be a fairly slow procedure, the process has however taken long to catch on

1. Mold fitting.
A predetermined amount of polymer in particle form is filled into a hollow mold. The mould is usually comprised of cast aluminium or sheet steel substance. The color tone chosen for the finished goods 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 style of plastic engineering.

Pre-heating of the oven follows, and it may 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 positioned inside the oven.

2. The heating and fusion procedure.
Once inside the oven, the mould is turned on two axis so the powdered polymer liquefies from the heat and coats the inside if the mould. The turning is done slowly, about 20 spins per minute. One thing that is critical at this moment is the period of time the mold will spend inside the oven. If it stays to long, the component will lose stability and durability, making a faulty item. If it is taken out from the oven too early, the polymer will not have liquefied correctly, which produces bubbles in the finalized item.

3. Mold cooling down.
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 creates a cool mist. When the component cools, it reduces slightly for ease of extraction from the mould. This is yet another procedure that relies a lot on the correct timing, since rapid cooling shrinks the material too fast, causing bending of the item.

4. The offloading or de-moulding phase.
Once the material within te mould has cooled adequately, the molder handling the procedure can then extract the finished product from the mould. The procedure is repeated from the beginning, supplying a number of identical products.

For more information on the different rotational rotomolding options offered for the Paterson NJ 7501 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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