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

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

The benefit that makes this unique from other plastic manufacturing methods because no pressure is involved. It also has few contenders when it comes to the manufacture of large size hollow products which are durable and inexpensive.There is a wide range of products that are generated by this process including large size water tanks, automobile items, complex molded medical products, recreation equipment, toys, kayaks, industrialized equipment among many others.This is because of the versatility in regards to design 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 Scarsdale NY 10583, 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 rotational 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 Molding-Scarsdale-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 Scarsdale 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 operation has been used since early times for creatingvseverl items. Egyptians for example, applied rotocasting techniques in the producing of ceramics. The Swiss were also using this rotation style to create hollow chocolate eggs. Some plastic items in the USA were made using this approach some time between 1940 and 1950. Due to the fact that it was thought of to be a basically slow method, the approach has however taken long to catch on

1. Mould prep work.
A fixed volume of polymer in grain form is filled into a hollow mould. The mould is usually made from cast aluminium or sheet steel material. 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 format of plastic assembly.

Preheating of the oven starts, and it can be done by either conduction, convection or sometimes radiation. It is warmed to temperatures between 500-700F. The mold with the powdered polymer is then secured and installed into the oven.

2. The heating and fusion step.
Once inside the oven, the mold 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 spins per minute. The main thing that is important at this moment is the amount of time the mold will spend inside the oven. If it overstays, the component will lose stability and durability, making a faulty item. If it is taken out from the oven too early, the polymer will not have liquefied correctly, which creates bubbles in the finished product line.

3. Mould cooling down.
When the material 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 creates a cool mist. When the product cools, it reduces a little for ease of extraction from the mold. This is yet another measure that depends a lot on the ideal timing, since quick cooling shrinks the material too quick, causing bending of the product.

4. The unloading or de-molding phase.
When the material within te mould has cooled successfully, the person managing the operation can then remove the completed product from the mould. The technique is repeated from the beginning, supplying a number of exact products.

For more information on the different rotational molding options offered for the Scarsdale NY 10583 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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