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

rotational molding-Norwood-Rotational molding refers to a plastic manufacturing procedure that generates hollow stress-free product lines. The method uses high temperatures and bi axial rotation to follow up with seamless, one piece objects that have different shapes, sizes and colors. This technique is also referred to as rotomolding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The attribute that makes this different from other plastic manufacturing techniques in that no pressure is required. It also has few contenders when it comes down to the production of large size hollow items which are long lasting and inexpensive.There is a wide range of product lines that are developed by this process including large water tanks, automobile products, complex molded medical products, leisure equipment, toys, canoes, commercial equipment among many others.This is due to the versatility in regards to design 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 Norwood NY 13668, 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 rotocasting 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-Norwood-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 Norwood 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 molding operation has been used since earlier times for creatingvseverl items. Egyptians for instance, applied rotocasting solutions in the manufacturing of ceramics. The Swiss were also making use of this rotation approach to generate hollow chocolate eggs. Some plastic products in the USA were made utilizing this technique some time between 1940 and 1950. Since it was thought of to be a somewhat slow-moving process, the method has however taken long to catch on

1. Mold readying.
A fixed amount of polymer in powder form is packed into a hollow mold. The mold is usually composeded of cast aluminium or sheet steel substance. The color tone desired for the final item 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 format of plastic production.

Pre-heating of the oven follows, and it can 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 locked and positioned into the oven.

2. The heat and fusion step.
Once within the oven, the mould is turned on two axis so the powdered polymer liquefies from the heat and layers the inside if the mold. The rotation is done slowly and gradually, about 20 rotations per sixty seconds. Something that is essential at this moment is the amount of time the mould will spend inside the oven. If it overstays, the material will lose stability and strength, generating a faulty product. If it is removed from the oven too early, the polymer will not have liquefied properly, which generates bubbles in the finished product line.

3. Mould cooling down.
When the component has sufficiently spent the enough of time in the oven, it is then extracted for cooling. This can be done by air or water, or sometimes a mixture of both which creates a cool mist. When the component cools, it reduces a little for ease of removal from the mold. This is an additional measure that relies a lot on the correct timing, since rapid cooling decreases the material too quickly, causing warping of the material.

4. The offloading or de-molding step.
When the product within te mold has cooled adequately, the person handling the operation can then extract the finalized item from the mold. The function is repeated from the beginning, supplying a series of identical items.

For more information on the different rotational molding options offered for the Norwood NY 13668 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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