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

roto-molding-Spencer-Rotational molding refers to a plastic production procedure that makes hollow stress-free items. The function relies on high temperatures and bi axial rotation to come up with seamless, one piece products that have several designs, colors and sizes. This technique is also referred to as rotomolding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl forms.

The benefit that makes this unique from other plastic manufacturing procedures because no pressure is called for. It also has few contenders when it involves the production of sizable hollow products which are long lasting and inexpensive.There is a wide range of products that are generated by this process including large water tanks, automobile items, sophisticated molded medical items, leisure equipment, toys, canoes, industrial equipment among many others.This is because of the flexibility in regards to type 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 Spencer NY 14883, 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-Spencer-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 Spencer 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 moulding process has been used since early times for creatingvseverl items. Egyptians for instance, utilized rotocasting techniques in the manufacturing of ceramics. The Swiss were also utilizing this rotation approach to make hollow chocolate eggs. Some plastic product lines in the USA were manufactured utilizing this approach some time between 1940 and 1950. Given that it was thought of to be a somewhat slow process, the procedure has however taken long to become popular

1. Mold readying.
A predetermined quantity 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 chosen for the final goods 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 design of plastic assembly.

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 secured and positioned into the oven.

2. The heat and fusion process.
Once inside the oven, the mold is rotated on two axis so the powdered polymer melts from the heat and overlays the inside if the mold. The spinning is done slowly, about 20 rotations per minute. The main thing that is critical at this moment is the period 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 taken out from the oven prematurely, the polymer will not have melted properly, which creates bubbles in the finished product line.

3. Mold cooling.
When the component has completely spent the correct amount 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 creates a cool mist. When the product cools, it reduces somewhat for ease of removal from the mould. This is one more procedure that depends upon a lot on the correct timing, since rapid cooling shrinks the material too fast, causing bending of the product.

4. The discharging or de-moulding phase.
As soon as the component within te mold has cooled adequately, the person taking care of the procedure can then extract the finished item from the mold. The process is repeated from the beginning, providing a series of identical product lines.

For more information on the different rotational molding options offered for the Spencer NY 14883 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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