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

rotational molding-Fredonia-Rotational moulding refers to a plastic production technique that generates hollow stress-free items. The technique uses high temperatures and bi axial rotation to come up with seamless, one piece products that have various forms, sizes and colors. This method is also referred to as roto-molding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The benefit that makes this different from other plastic manufacturing processes that no pressure is involved. It also has few competitors when it comes to the creation of large size hollow items which are long-lasting and inexpensive.There is a wide range of product lines that are generated by this process including big water tanks, automobile products, sophisticated molded medical items, recreation equipment, toys, kayaks, commercial equipment among many others.This is because of the versatility in regards to design and forms that the process manufactures

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Fredonia NY 14063, 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-Fredonia-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 Fredonia 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 Rotomoulding Procedure in Detail

This moulding procedure has been used since early times for creatingvseverl items. Egyptians as an example, used rotational molding systems in the creating of ceramics. The Swiss were also working with this rotation format to generate hollow chocolate eggs. Some plastic products in the USA were manufactured using this technique some time between 1940 and 1950. Considering that it was considered to be a very slow approach, the procedure has however taken long to become popular

1. Mould prep work.
A predetermined amount of polymer in powder form is packed into a hollow mold. The mould is usually composeded of cast aluminium or sheet steel substance. The color tone preferred for the end item is pre compounded into the polymer. The most often used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this type of plastic assembly.

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

2. The heating up and fusion process.
Once placed into the oven, the mould is spun on two axis so the powdered polymer liquefies from the heat and overlays the inside if the mould. The rotation is done slowly and gradually, about 20 revolutions per min. Something that is important at this moment is the amount of time the mold will spend inside the oven. If it stays to long, the material will lose value and strength, producing a weak product. If it is removed from the oven too early, the polymer will not have melted properly, which develops bubbles in the finalized product line.

3. Mould cooling.
When the component has sufficiently spent the correct amount 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 a cool mist. When the material cools, it reduces a little for ease of removal from the mold. This is yet another step that relies a lot on the correct timing, since quick cooling decreases the material too rapidly, causing bending of the material.

4. The un-loading or de-molding step.
Once the material inside te mould has cooled correctly, the person taking care of the process can then extract the completed product from the mould. The technique is repeated from the beginning, giving a number of exact product lines.

For more information on the different rotational molding options offered for the Fredonia NY 14063 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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