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

rotational moulding-New Paltz-Rotational moulding pertains to a plastic manufacturing technique that creates hollow stress-free product lines. The process uses high temperatures and bi axial rotation to follow up with seamless, one piece items that have a wide range of forms, colors and sizes. This procedure is also referred to as rotomoulding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The attribute that makes this unique from other plastic manufacturing techniques because no pressure is needed. It also has few contenders when it comes down to the production of sizable hollow items which are resilient and inexpensive.There is a wide range of products that are developed by this process including large size water tanks, automobile materials, intricate designed medical items, leisure equipment, toys, canoes, commercial equipment among many others.This is due to the versatility in terms of style and shapes that the process produces

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in New Paltz NY 12561, 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

Custom Molded-New Paltz-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 New Paltz 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 Method in Detail

This molding system has been used since early times for creatingvseverl products. Egyptians for example, employed rotational molding methods in the creating of ceramics. The Swiss were also using this rotation technique to create hollow chocolate eggs. Some plastic items in the USA were created utilizing this procedure some time between 1940 and 1950. Because it was viewed to be a rather slow method, the procedure has however taken long to catch on

1. Mould fitting.
A predetermined amount of polymer in particle form is filled into a hollow mould. The mould is usually composeded of cast aluminium or sheet steel component. The coloring wanted for the end goods is pre compounded into the polymer. The most generally 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 may 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 put into the oven.

2. The heating up and fusion phase.
Once inside the oven, the mould is turned on two axis so the powdered polymer melts from the heat and layers the inside if the mold. The rotation is done slowly and gradually, about 20 rotations per minute. One thing that is vital at this moment is the amount of time the mold will spend inside the oven. If it overstays, the product will lose stability and durability, generating a faulty item. If it is extracted from the oven too early, the polymer will not have liquefied correctly, which generates bubbles in the finalized item.

3. Mold cooling down.
When the product has sufficiently spent the enough of time in the oven, it is then removed for cooling. This can be done by air or water, or sometimes a mixture of both which generates a cool mist. When the material cools, it reduces a little for ease of extraction from the mould. This is an additional step that depends upon a lot on the right timing, since rapid cooling shrinks the material too fast, causing bending of the product.

4. The unloading or de-moulding phase.
Once the product inside te mould has cooled effectively, the person managing the procedure can then extract the completed product from the mould. The function is repeated from the beginning, making a series of identical products.

For more information on the different rotational molding options offered for the New Paltz NY 12561 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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