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

rotomolding-Patchogue-Rotational molding refers to a plastic manufacturing technique that generates hollow stress-free product lines. The technique depends on high temperatures and bi axial rotation to come up with seamless, one piece products that have many different shapes, colors and sizes. This technique is also called roto-molding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl styles.

The attribute that makes this different from other plastic manufacturing techniques because no pressure is required. It also has few contenders when it involves the creation of large size hollow products which are long lasting and inexpensive.There is a wide variety of products that are created by this process including large water tanks, automobile items, sophisticated shaped medical products, recreation equipment, toys, canoes, industrial equipment among many others.This is because of the flexibility in terms of 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 Patchogue NY 11772, 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 rotomoulding 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 Molding-Patchogue-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 Patchogue 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 Procedure in Detail

This moulding operation has been used since ancient times for creatingvseverl items. Egyptians for instance, used rotocasting techniques in the making of ceramics. The Swiss were also employing this rotation approach to make hollow chocolate eggs. Some plastic items in the USA were manufactured utilizing this procedure some time between 1940 and 1950. Since it was considered to be a basically slow-moving system, the technique has however taken long to become popular

1. Mold prep work.
A fixed measure of polymer in particle form is loaded into a hollow mold. The mold is usually crafted from cast aluminium or sheet steel material. The color intended for the end 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 type of plastic manufacturing.

Pre-heating of the oven starts, and it may be done by either conduction, convection or sometimes radiation. It is heated to temperatures between 500-700F. The mould with the powdered polymer is then secured and put inside the oven.

2. The heating up and fusion phase.
Once placed into the oven, the mould is revolved on two axis so the powdered polymer liquefies from the heat and overlays the inside if the mold. The rotation is done gradually, about 20 revolutions per sixty seconds. Something that is important at this point is the amount of time the mould will spend inside the oven. If it stays to long, the product 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 produces bubbles in the finished product line.

3. Mold cooling.
When the component has completely spent the enough of time in the oven, it is then taken out for cooling. This may be done by air or water, or sometimes a mixture of both which a cool mist. When the product cools, it reduces a little for ease of extraction from the mould. This is yet another measure that depends upon a lot on the correct timing, since rapid cooling reduces the material too fast, causing warping of the item.

4. The offloading or de-molding phase.
When the product within te mould has cooled correctly, the person handling the procedure can then take out the completed item from the mould. The function is repeated from the beginning, providing a series of similar product lines.

For more information on the different rotational molding options offered for the Patchogue NY 11772 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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