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

rotomolding-Picatinny Arsenal-Rotational moulding pertains to a plastic production procedure that produces hollow stress-free items. The technique relies on high temperatures and bi axial rotation to follow up with seamless, one piece objects that have several designs, colors and sizes. This method is also called rotomolding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The component that makes this unique from other plastic manufacturing techniques that no pressure is called for. It also has few competitors when it involves the production of sizable hollow products which are resilient and inexpensive.There is a wide range of items that are produced by this process including large size water tanks, automobile products, intricate shaped medical products, leisure equipment, toys, canoes, industrialized equipment among many others.This is due to the versatility in regards to type and forms that the process develops

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Picatinny Arsenal NJ 7806, 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

Plastic Molding-Picatinny Arsenal-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 Picatinny Arsenal 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 Procedure Components

This moulding system has been used since early times for creatingvseverl products. Egyptians as an example, applied roto-molding systems in the producing of ceramics. The Swiss were also making use of this rotation approach to create hollow chocolate eggs. Some plastic product lines in the USA were developed utilizing this approach some time between 1940 and 1950. The process has however taken long to catch on because it was thought of as being a relatively slow process

1. Mold fitting.
A predetermined volume of polymer in grain form is loaded into a hollow mould. The mould is usually comprised of cast aluminium or sheet steel component. The colour intended for the final 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.

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 mould with the powdered polymer is then sealed and put into the oven.

2. The heat and fusion procedure.
Once inside the oven, the mould is rotated on two axis so the powdered polymer melts from the heat and layers the inside if the mold. The rotation is done gradually, about 20 spins per minute. One thing that is important at this moment is the period of time the mold will spend inside the oven. If it overstays, the component will lose stability and durability, generating a poor item. If it is extracted from the oven too early, the polymer will not have flowed properly, which produces bubbles in the finished product.

3. Mould cooling.
When the product has completely 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 a cool mist. When the material cools, it reduces slightly for ease of extraction from the mould. This is an additional step that relies a lot on the correct timing, since rapid cooling reduces the material too quick, causing bending of the material.

4. The un-loading or de-molding phase.
When the product within te mould has cooled successfully, the molder managing the operation can then take out the completed product from the mold. The technique is repeated from the start, making a series of similar items.

For more information on the different rotational rotomolding options offered for the Picatinny Arsenal NJ 7806 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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