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

rotomoulding-North Franklin-Rotational molding refers to a plastic manufacturing technique that produces hollow stress-free items. The method relies on high temperatures and bi axial rotation to come up with seamless, one piece objects that have several forms, sizes and colors. This technique is also referred to as rotomoulding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The benefit that makes this unique from other plastic manufacturing procedures that no pressure is called for. It also has few contenders when it involves the manufacture of large size hollow products which are long-lasting and inexpensive.There is a wide range of product lines that are produced by this process including large size water tanks, automobile items, complex shaped medical items, leisure equipment, toys, canoes, industrial equipment among many others.This is due to the versatility in regards to 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 North Franklin CT 6254, 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

Plastic Molding-North Franklin-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 North Franklin 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 Rotomoulding Procedure Components

This moulding technique has been used since ancient times for creatingvseverl product lines. Egyptians as an example, applied roto-molding techniques in the producing of ceramics. The Swiss were also making use of this rotation technique to make hollow chocolate eggs. Some plastic items in the USA were developed utilizing this method some time between 1940 and 1950. Given that it was thought of to be a very slow-moving process, the procedure has however taken long to catch on

1. Mold readying.
A predetermined quantity of polymer in grain form is filled into a hollow mold. The mould is usually constructed from cast aluminium or sheet steel substance. The colour wanted 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 format of plastic production.

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 locked and positioned into the oven.

2. The heating and fusion step.
Once within the oven, the mould is turned on two axis so the powdered polymer melts from the heat and overlays the inside if the mould. The turning is done slowly and gradually, about 20 revolutions per sixty seconds. Something that is vital at this point is the amount of time the mold will spend inside the oven. If it overstays, the component will lose stability and durability, making a poor product. If it is removed from the oven prematurely, the polymer will not have melted correctly, which generates bubbles in the finished product.

3. Mold cooling down.
When the component has sufficiently spent the correct 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 product cools, it shrinks slightly for ease of removal from the mould. This is an additional procedure that relies a lot on the correct timing, since quick cooling decreases the material too quick, causing warping of the material.

4. The offloading or de-moulding step.
When the material within te mould has cooled adequately, the molder managing the procedure can then extract the finished item from the mould. The process is repeated from the beginning, making a number of exact products.

For more information on the different rotational rotomolding options offered for the North Franklin CT 6254 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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