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

rotomoulding-Plainfield-Rotational molding pertains to a plastic production technique that generates hollow stress-free items. The technique uses high temperatures and bi axial rotation to follow up with seamless, one piece products that have a variety of designs, sizes and colors. This method is also called 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 methods in that no pressure is called for. It also has few contenders when it pertains to the creation of sizable hollow items which are long lasting and inexpensive.There is a variety of product lines that are developed by this process including large water tanks, automobile materials, sophisticated shaped medical products, recreation equipment, toys, kayaks, industrialized equipment among many others.This is because of the versatility in terms of type and forms that the process produces

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Plainfield MA 1070, 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-Plainfield-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 Plainfield 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 molding process has been used since early times for creatingvseverl products. Egyptians as an example, applied rotocasting solutions in the producing of ceramics. The Swiss were also making use of this rotation style to generate hollow chocolate eggs. Some plastic items in the USA were made utilizing this method some time between 1940 and 1950. The procedure has however taken very long to catch on because it was thought of as being a somewhat slow process

1. Mold preparation.
A fixed amount of polymer in particle form is loaded into a hollow mould. The mold is usually composeded of cast aluminium or sheet steel substance. The color tone needed for the final goods is pre compounded into the polymer. The most typically used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this design of plastic assembly.

Pre-heating of the oven starts, and it can be done by either conduction, convection or sometimes radiation. It is heated to temperatures between 500-700F. The mould with the powdered polymer is then sealed and installed within the oven.

2. The heating and fusion phase.
Once within 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 turning is done slowly and gradually, about 20 revolutions per minute. One thing that is essential at this moment is the amount of time the mould will spend within the oven. If it stays to long, the product will lose stability and durability, producing a faulty item. If it is taken out from the oven prematurely, the polymer will not have flowed properly, which develops bubbles in the finalized item.

3. Mold cooling down.
When the material has sufficiently spent the right amount of time in the oven, it is then taken out for cooling. This may be done by air or water, or sometimes a mixture of both which creates a cool mist. When the component cools, it reduces somewhat for ease of removal from the mold. This is one more step that depends a lot on the right timing, since rapid cooling shrinks the material too quickly, causing warping of the product.

4. The un-loading or de-molding step.
As soon as the material within te mold has cooled correctly, the molder managing the operation can then remove the finalized item from the mold. The function is repeated from the beginning, making a series of similar product lines.

For more information on the different rotational rotomolding options offered for the Plainfield MA 1070 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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