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

rotocasting-Hillburn-Rotational moulding pertains to a plastic manufacturing method that generates hollow stress-free items. The function relies on high temperatures and bi axial rotation to follow up with seamless, one piece items that have different designs, sizes and colors. This procedure is also called rotomolding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl types.

The benefit that makes this different from other plastic manufacturing methods because no pressure is needed. It also has few rivals when it involves the creation of large hollow products which are long-lasting and inexpensive.There is a wide variety of products that are generated by this process including big water tanks, automobile items, sophisticated shaped medical items, recreation equipment, toys, kayaks, commercial equipment among many others.This is due to the versatility in terms of type and shapes that the process creates

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Hillburn NY 10931, 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-Hillburn-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 Hillburn 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 Components

This molding technique has been used since earlier times for creatingvseverl items. Egyptians for example, applied rotational molding systems in the making of ceramics. The Swiss were also working with this rotation design to generate hollow chocolate eggs. Some plastic product lines in the USA were created utilizing this technique some time between 1940 and 1950. Considering that it was considered to be a very slow approach, the method has however taken long to become popular

1. Mould fitting.
A predetermined quantity of polymer in particle form is loaded into a hollow mold. The mould is usually composeded of cast aluminium or sheet steel material. The color preferred for the end product 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 style of plastic production.

Preheating of the oven starts, 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 installed within the oven.

2. The heat and fusion step.
Once placed into the oven, the mold is spun 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. One thing that is critical at this moment is the period of time the mould will spend within the oven. If it overstays, the material will lose stability and durability, generating a poor item. If it is taken out from the oven too early, the polymer will not have liquefied correctly, which develops bubbles in the completed product.

3. Mould cooling down.
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 a cool mist. When the material cools, it reduces a little for ease of removal from the mould. This is yet another procedure that relies a lot on the correct timing, since rapid cooling shrinks the material too fast, causing bending of the material.

4. The discharging or de-molding phase.
As soon as the product within te mould has cooled successfully, the person taking care of the operation can then remove the completed product from the mould. The function is repeated from the start, providing a series of exact product lines.

For more information on the different rotational molding options offered for the Hillburn NY 10931 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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