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

roto-molding-Sandisfield-Rotational molding refers to a plastic production method that creates hollow stress-free products. The process relies on high temperatures and bi axial rotation to follow up with seamless, one piece objects that have several forms, colors and sizes. This method is also called rotomoulding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl forms.

The attribute that makes this different from other plastic manufacturing procedures that no pressure is required. It also has few contenders when it involves the manufacture of sizable hollow items which are durable and inexpensive.There is a wide variety of products that are produced by this process including big water tanks, automobile materials, intricate shaped medical items, recreation equipment, toys, kayaks, industrialized equipment among many others.This is due to the flexibility in regards to type and forms that the process makes

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Sandisfield MA 1255, 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 rotocasting 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-Sandisfield-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 Sandisfield 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 Rotomoulding Method Components

This moulding process has been used since early times for creatingvseverl products. Egyptians for instance, utilized rotocasting techniques in the of ceramics. The Swiss were also working with this rotation style to generate hollow chocolate eggs. Some plastic items in the USA were manufactured using this method some time between 1940 and 1950. The process has however taken very long to take affect because it was considered as being a relatively slow-moving process

1. Mold fitting.
A predetermined volume of polymer in powder form is packed into a hollow mold. The mould is usually built from cast aluminium or sheet steel material. The colour desired for the final product is pre compounded into the polymer. The most generally used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this design of plastic manufacturing.

Pre-heating 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 up and fusion process.
Once within the oven, the mold is turned on two axis so the powdered polymer melts from the heat and coats the inside if the mold. The turning is done slowly, about 20 revolutions per minute. Something that is essential 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 weak product. If it is removed from the oven prematurely, the polymer will not have melted correctly, which develops bubbles in the completed product.

3. Mold cooling.
When the product has sufficiently spent the enough of time in the oven, it is then extracted for cooling. This can be done by air or water, or sometimes a mixture of both which generates a cool mist. When the material cools, it reduces a little for ease of removal from the mold. This is another measure that depends upon a lot on the correct timing, since quick cooling reduces the material too quick, causing bending of the product.

4. The discharging or de-molding step.
Once the product within te mold has cooled effectively, the molder handling the procedure can then extract the completed product from the mould. The procedure is repeated from the start, supplying a series of exact items.

For more information on the different rotational rotomolding options offered for the Sandisfield MA 1255 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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