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

rotocasting-Babson Park-Rotational molding pertains to a plastic production practice that makes hollow stress-free product lines. The process relies on high temperatures and bi axial rotation to come up with seamless, one piece items that have a wide range of designs, sizes and colors. This technique is also known 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 that no pressure is called for. It also has few competitors when it pertains to the manufacture of sizable hollow products which are resilient and inexpensive.There is a wide variety of product lines that are generated by this process including large water tanks, automobile items, sophisticated designed medical products, recreation equipment, toys, kayaks, industrialized equipment among many others.This is because of the flexibility in terms of style and shapes that the process manufactures

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Babson Park MA 2157, 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

Plastic Products-Babson Park-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 Massachusetts 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 Babson Park Massachusetts 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 technique has been used since earlier times for creatingvseverl product lines. Egyptians for example, applied rotational molding solutions in the manufacturing of ceramics. The Swiss were also making use of this rotation design to make hollow chocolate eggs. Some plastic items in the USA were made using this procedure some time between 1940 and 1950. Considering that it was looked at to be a rather slow method, the method has however taken long to become popular

1. Mold readying.
A fixed amount of polymer in powder form is filled into a hollow mold. The mould is usually comprised of cast aluminium or sheet steel component. The coloration intended for the end product 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 format of plastic production.

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 within the oven.

2. The heat and fusion procedure.
Once within the oven, the mold is rotated on two axis so the powdered polymer liquefies from the heat and overlays the inside if the mould. The spinning is done slowly, about 20 rotations per sixty seconds. The main thing that is critical at this moment is the amount of time the mold will spend inside the oven. If it overstays, the material will lose stability and durability, making a weak product. If it is taken out from the oven prematurely, the polymer will not have liquefied properly, which creates bubbles in the finalized item.

3. Mould cooling down.
When the component has completely spent the right amount of time in the oven, it is then removed for cooling. This may be done by air or water, or sometimes a mixture of both which generates a cool mist. When the component cools, it shrinks slightly for ease of extraction from the mould. This is another step that depends upon a lot on the right timing, since rapid cooling shrinks the material too quick, causing bending of the product.

4. The un-loading or de-moulding step.
As soon as the material within te mold has cooled correctly, the person managing the operation can then remove the finished item from the mould. The function is repeated from the beginning, making a number of exact items.

For more information on the different rotational rotomolding options offered for the Babson Park MA 2157 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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