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

rotocasting-Wingdale-Rotational molding pertains to a plastic manufacturing procedure that generates hollow stress-free products. The function depends on high temperatures and bi axial rotation to follow up with seamless, one piece objects that have a wide range of shapes, sizes and colors. This method is also called rotomolding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl forms.

The benefit that makes this unique from other plastic manufacturing methods that no pressure is involved. It also has few competitors when it involves the creation of large size hollow items which are resilient and inexpensive.There is a wide range of products that are produced by this process including big water tanks, automobile materials, complex molded medical products, leisure equipment, toys, kayaks, industrialized equipment among many others.This is due to the flexibility in regards to type and shapes that the process manufactures

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Wingdale NY 12594, 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-Wingdale-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 Wingdale 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 Rotomoulding Process in Detail

This molding procedure has been used since earlier times for creatingvseverl products. Egyptians as an example, employed rotational molding techniques in the producing of ceramics. The Swiss were also using this rotation format to make hollow chocolate eggs. Some plastic items in the USA were created using this approach some time between 1940 and 1950. Since it was thought of to be a relatively slow process, the process has however taken long to become popular

1. Mould fitting.
A predetermined measure of polymer in powder form is loaded into a hollow mold. The mold is usually constructed from cast aluminium or sheet steel material. The color chosen 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 manufacturing.

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 within the oven.

2. The heating 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 mold. The spinning is done gradually, about 20 spins per min. The main thing that is critical at this point is the period of time the mold will spend inside the oven. If it overstays, the material will lose stability and durability, producing a poor item. If it is extracted from the oven prematurely, the polymer will not have flowed correctly, which creates bubbles in the completed product.

3. Mould cooling.
When the component has completely spent the right 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 a cool mist. When the material cools, it shrinks a little for ease of removal from the mold. This is yet another step that depends upon a lot on the ideal timing, since quick cooling reduces the material too fast, causing warping of the item.

4. The discharging or de-moulding phase.
Once the material within te mould has cooled effectively, the person taking care of the procedure can then take out the finished item from the mould. The technique is repeated from the start, providing a number of identical product lines.

For more information on the different rotational molding options offered for the Wingdale NY 12594 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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