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

roto-molding-Livonia-Rotational moulding pertains to a plastic manufacturing method that makes hollow stress-free products. The procedure depends on high temperatures and bi axial rotation to follow up with seamless, one piece products that have varying designs, colors and sizes. This procedure is also referred to as rotomolding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl forms.

The function that makes this different from other plastic manufacturing methods because no pressure is required. It also has few rivals when it involves the manufacture of sizable hollow items which are durable and inexpensive.There is a variety of product lines that are developed by this process including large size water tanks, automobile materials, sophisticated shaped medical items, recreation equipment, toys, canoes, commercial equipment among many others.This is due to the flexibility in regards to 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 Livonia NY 14487, 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 Manufacturing-Livonia-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 Livonia 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 Procedure Components

This moulding operation has been used since early times for creatingvseverl product lines. Egyptians for example, utilized rotomoulding systems in the manufacturing of ceramics. The Swiss were also using this rotation method to generate hollow chocolate eggs. Some plastic product lines in the USA were developed using this method some time between 1940 and 1950. Since it was viewed to be a basically slow approach, the procedure has however taken long to become popular

1. Mould preparation.
A predetermined measure of polymer in grain form is filled into a hollow mould. The mold is usually constructed from cast aluminium or sheet steel component. The colour preferred for the final item is pre compounded into the polymer. The most often used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this style of plastic assembly.

Pre-heating of the oven starts, and it can be done by either conduction, convection or sometimes radiation. It is heated up to temperatures between 500-700F. The mould with the powdered polymer is then sealed and installed within 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 coats the inside if the mold. The turning is done gradually, about 20 rotations per sixty seconds. One thing that is important at this moment is the amount of time the mold will spend inside the oven. If it stays to long, the material will lose stability and durability, creating a faulty product. If it is extracted from the oven too early, the polymer will not have melted correctly, which generates bubbles in the completed product line.

3. Mold cooling.
When the component has sufficiently spent the enough 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 reduces somewhat for ease of removal from the mould. This is an additional step that relies a lot on the correct timing, since rapid cooling reduces the material too quickly, causing bending of the item.

4. The discharging or de-molding phase.
As soon as the product within te mould has cooled successfully, the molder managing the process can then extract the finished item from the mold. The procedure is repeated from the start, providing a number of exact products.

For more information on the different rotational molding options offered for the Livonia NY 14487 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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