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

rotational moulding-Windsor Locks-Rotational moulding refers to a plastic manufacturing solution that makes hollow stress-free products. The process relies upon high temperatures and bi axial rotation to come up with seamless, one piece products that have many different forms, sizes and colors. This procedure is also known as rotomolding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The feature that makes this unique from other plastic manufacturing techniques that no pressure is required. It also has few rivals when it comes to the manufacture of sizable hollow products which are durable and inexpensive.There is a wide range of product lines that are produced by this process including large size water tanks, automobile items, intricate shaped medical products, recreation equipment, toys, canoes, commercial equipment among many others.This is due to the flexibility in regards to type and shapes that the process makes

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Windsor Locks CT 6096, 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

Plastic Molding-Windsor Locks-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 Connecticut 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 Windsor Locks Connecticut 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 Process Components

This molding system has been used since earlier times for creatingvseverl items. Egyptians for instance, used roto-molding procedures in the creating of ceramics. The Swiss were also applying this rotation method to generate hollow chocolate eggs. Some plastic items in the USA were manufactured utilizing this procedure some time between 1940 and 1950. Given that it was thought of to be a somewhat slow approach, the method has however taken long to become popular

1. Mold prep work.
A predetermined amount of polymer in particle form is loaded into a hollow mold. The mold is usually built from cast aluminium or sheet steel substance. The coloring wanted for the end product 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 style of plastic manufacturing.

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

2. The heating and fusion procedure.
Once inside the oven, the mould is spun on two axis so the powdered polymer melts from the heat and layers the inside if the mold. The spinning is done gradually, about 20 rotations per minute. Something that is crucial at this moment is the amount of time the mold will spend within the oven. If it overstays, the product will lose stability and durability, producing a poor product. If it is extracted from the oven too early, the polymer will not have flowed properly, which generates bubbles in the finalized product.

3. Mould cooling.
When the component has completely 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 slightly for ease of extraction from the mold. This is another measure that depends a lot on the right timing, since quick cooling shrinks the material too quick, causing warping of the product.

4. The un-loading or de-moulding phase.
As soon as the component inside te mould has cooled adequately, the person taking care of the process can then take out the finished item from the mold. The process is repeated from the beginning, supplying a number of similar product lines.

For more information on the different rotational rotomolding options offered for the Windsor Locks CT 6096 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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