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

rotomoulding-Monmouth Junction-Rotational molding refers to a plastic production procedure that makes hollow stress-free products. The process uses high temperatures and bi axial rotation to follow up with seamless, one piece products that have many different shapes, colors and sizes. This procedure is also called roto-molding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The component that makes this different from other plastic manufacturing processes because no pressure is called for. It also has few contenders when it involves the creation of sizable hollow products which are durable and inexpensive.There is a variety of product lines that are produced by this process including large water tanks, automobile items, intricate molded medical items, recreation equipment, toys, kayaks, industrialized equipment among many others.This is due to the flexibility in terms of style 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 Monmouth Junction NJ 8852, 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

Plastic Manufacturing-Monmouth Junction-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 Monmouth Junction 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 Process in Detail

This moulding operation has been used since early times for creatingvseverl products. Egyptians for example, utilized rotocasting procedures in the making of ceramics. The Swiss were also applying this rotation format to make hollow chocolate eggs. Some plastic items in the USA were manufactured using this method some time between 1940 and 1950. Considering that it was looked at to be a basically slow method, the process has however taken long to catch on

1. Mold fitting.
A predetermined measure of polymer in particle form is packed into a hollow mould. The mould is usually made from cast aluminium or sheet steel substance. The coloration intended for the end goods 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 production.

Preheating 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 sealed and placed into the oven.

2. The heating and fusion step.
Once inside the oven, the mold is revolved on two axis so the powdered polymer liquefies from the heat and overlays the inside if the mold. The turning is done slowly, about 20 spins per min. The main thing that is important at this point is the amount of time the mould will spend inside the oven. If it stays to long, the product will lose stability and strength, creating a weak item. If it is removed from the oven prematurely, the polymer will not have melted correctly, which develops bubbles in the finished product line.

3. Mould cooling.
When the product has sufficiently spent the right 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 creates a cool mist. When the product cools, it shrinks slightly for ease of removal from the mold. This is an additional procedure that relies a lot on the correct timing, since quick cooling decreases the material too quick, causing warping of the item.

4. The discharging or de-molding step.
Once the product inside te mold has cooled effectively, the molder taking care of the process can then take out the finished item from the mold. The function is repeated from the beginning, giving a series of identical product lines.

For more information on the different rotational rotomolding options offered for the Monmouth Junction NJ 8852 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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