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

rotocasting-Harrison-Rotational molding pertains to a plastic manufacturing technique that creates hollow stress-free items. The technique utilizes high temperatures and bi axial rotation to come up with seamless, one piece objects that have a wide range of forms, colors and sizes. This technique is also called roto-molding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl styles.

The benefit that makes this unique from other plastic manufacturing techniques because no pressure is called for. It also has few rivals when it comes to the production of large hollow products which are resilient and inexpensive.There is a wide range of products that are developed by this process including large water tanks, automobile materials, sophisticated designed medical items, leisure equipment, toys, canoes, industrialized equipment among many others.This is due to the versatility in terms of style and forms that the process makes

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Harrison NY 10528, 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 molding 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-Harrison-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 York 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 Harrison New York 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 Components

This moulding procedure has been used since earlier times for creatingvseverl product lines. Egyptians as an example, employed rotomoulding solutions in the creating of ceramics. The Swiss were also making use of this rotation approach to create hollow chocolate eggs. Some plastic products in the USA were manufactured using this approach some time between 1940 and 1950. Because it was thought of to be a fairly slow system, the approach has however taken long to become popular

1. Mold prep work.
A fixed measure of polymer in grain form is packed into a hollow mold. The mold is usually composeded of cast aluminium or sheet steel component. The color tone intended for the end 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 format of plastic production.

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

2. The heat and fusion procedure.
Once placed into the oven, the mold is rotated on two axis so the powdered polymer melts from the heat and layers the inside if the mould. The turning is done slowly, about 20 revolutions per sixty seconds. Something that is crucial at this moment is the amount of time the mould will spend inside the oven. If it overstays, the product will lose value and strength, making a faulty product. If it is removed from the oven prematurely, the polymer will not have liquefied properly, which produces bubbles in the finalized product.

3. Mold cooling down.
When the component 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 creates a cool mist. When the component cools, it shrinks slightly for ease of removal from the mould. This is another measure that relies a lot on the correct timing, since quick cooling shrinks the material too quickly, causing warping of the material.

4. The un-loading or de-molding step.
When the material within te mould has cooled properly, the person handling the process can then take out the finalized item from the mould. The process is repeated from the start, supplying a series of similar items.

For more information on the different rotational molding options offered for the Harrison NY 10528 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