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

roto-molding-Attica-Rotational molding pertains to a plastic manufacturing practice that generates hollow stress-free items. The function utilizes high temperatures and bi axial rotation to follow up with seamless, one piece products that have a variety of shapes, colors and sizes. This method is also called rotomolding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The benefit that makes this unique from other plastic manufacturing techniques because no pressure is involved. It also has few competitors when it involves the production of large size hollow items which are long-lasting and inexpensive.There is a variety of items that are created by this process including large size water tanks, automobile items, complex designed medical products, leisure equipment, toys, canoes, commercial equipment among many others.This is because of 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 Attica NY 14011, 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 roto-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

Plastic Molding-Attica-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 Attica 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 Roto-Molding Process in Detail

This molding method has been used since earlier times for creatingvseverl product lines. Egyptians for example, utilized roto-molding techniques in the manufacturing of ceramics. The Swiss were also applying this rotation format to generate hollow chocolate eggs. Some plastic items in the USA were developed utilizing this technique some time between 1940 and 1950. The technique has however taken very long to take affect because it was considered as being a somewhat slow process

1. Mold readying.
A predetermined amount of polymer in powder form is loaded into a hollow mould. The mould is usually made of cast aluminium or sheet steel material. The coloring chosen for the finished product 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 type of plastic production.

Pre-heating 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 heat and fusion procedure.
Once within the oven, the mold is rotated on two axis so the powdered polymer liquefies from the heat and layers the inside if the mould. The turning is done slowly, about 20 revolutions per sixty seconds. The main thing that is important at this moment is the period of time the mould will spend inside the oven. If it stays to long, the component will lose stability and strength, generating a weak product. If it is taken out from the oven prematurely, the polymer will not have liquefied properly, which generates bubbles in the finalized product.

3. Mould cooling down.
When the component has completely spent the enough of time in the oven, it is then taken out for cooling. This can be done by air or water, or sometimes a mixture of both which generates a cool mist. When the product cools, it reduces a little for ease of extraction from the mold. This is an additional procedure that relies a lot on the right timing, since rapid cooling reduces the material too rapidly, causing warping of the product.

4. The removing or de-molding step.
When the component inside te mold has cooled correctly, the person handling the procedure can then remove the finished product from the mold. The technique is repeated from the start, supplying a number of identical items.

For more information on the different rotational molding options offered for the Attica NY 14011 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 plastic molding

Local Resources

Production Example
Google Map