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

rotocasting-Pine Brook-Rotational molding pertains to a plastic production method that produces hollow stress-free items. The technique relies upon high temperatures and bi axial rotation to follow up with seamless, one piece items that have varying shapes, sizes and colors. This method is also referred to as rotomolding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl types.

The feature that makes this unique from other plastic manufacturing methods that no pressure is required. It also has few competitors when it involves the creation of large hollow products which are resilient and inexpensive.There is a wide variety of products that are created by this process including large water tanks, automobile materials, complex molded medical items, leisure equipment, toys, kayaks, industrialized equipment among many others.This is due to the flexibility in terms of design and shapes that the process creates

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Pine Brook NJ 7058, 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 Manufacturing-Pine Brook-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 Pine Brook 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 Procedure Components

This moulding procedure has been used since ancient times for creatingvseverl products. Egyptians for instance, used roto-molding techniques in the producing of ceramics. The Swiss were also using this rotation format to create hollow chocolate eggs. Some plastic products in the USA were manufactured utilizing this approach some time between 1940 and 1950. The system has however taken very long to take affect because it was considered as being a rather slow-moving process

1. Mold preparation.
A predetermined quantity of polymer in powder form is loaded into a hollow mould. The mold is usually constructed from cast aluminium or sheet steel component. The color needed for the finished product is pre compounded into the polymer. The most typically used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this design of plastic production.

Preheating of the oven starts, and it may be done by either conduction, convection or sometimes radiation. It is warmed to temperatures between 500-700F. The mold with the powdered polymer is then sealed and installed within the oven.

2. The heat and fusion step.
Once inside the oven, the mould is revolved on two axis so the powdered polymer melts from the heat and overlays the inside if the mould. The rotation is done slowly and gradually, about 20 rotations per sixty seconds. One thing that is important at this moment is the amount of time the mould will spend within the oven. If it stays to long, the component will lose value and strength, creating a weak item. If it is taken out from the oven too early, the polymer will not have liquefied correctly, which develops bubbles in the completed product line.

3. Mold cooling.
When the material has completely spent the correct amount of time in the oven, it is then extracted for cooling. This may be done by air or water, or sometimes a mixture of both which creates a cool mist. When the component cools, it shrinks slightly for ease of removal from the mold. This is one more step that relies a lot on the correct timing, since rapid cooling reduces the material too quickly, causing warping of the item.

4. The un-loading or de-molding phase.
Once the component within te mould has cooled adequately, the molder managing the procedure can then extract the finalized product from the mould. The function is repeated from the beginning, providing a series of exact items.

For more information on the different rotational rotomolding options offered for the Pine Brook NJ 7058 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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