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

rotomolding-Dayville-Rotational molding refers to a plastic production practice that generates hollow stress-free products. The function depends on high temperatures and bi axial rotation to follow up with seamless, one piece items that have many different forms, colors and sizes. This procedure is also referred to as rotomoulding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl types.

The component that makes this different from other plastic manufacturing processes that no pressure is called for. It also has few competitors when it comes to the creation of sizable hollow items which are durable and inexpensive.There is a variety of products that are developed by this process including large size water tanks, automobile items, sophisticated designed medical products, leisure equipment, toys, canoes, industrial equipment among many others.This is due to the flexibility in terms of type and forms that the process manufactures

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Dayville CT 6241, 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 rotomolding 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-Dayville-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 Dayville 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 Roto-Molding Method Components

This moulding system has been used since earlier times for creatingvseverl products. Egyptians for example, worked with rotational molding solutions in the making of ceramics. The Swiss were also working with this rotation design to make hollow chocolate eggs. Some plastic products in the USA were created utilizing this method some time between 1940 and 1950. The technique has however taken very long to take affect because it was thought of as being a rather slow process

1. Mould prep work.
A fixed volume of polymer in grain form is loaded into a hollow mould. The mold is usually composeded of cast aluminium or sheet steel material. The color 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 style of plastic manufacturing.

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

2. The heat and fusion phase.
Once within the oven, the mold is turned on two axis so the powdered polymer liquefies from the heat and coats the inside if the mould. The rotation is done slowly, about 20 spins per min. Something that is important at this point is the period of time the mould will spend inside the oven. If it stays to long, the material will lose stability and durability, producing a weak product. If it is removed from the oven too early, the polymer will not have liquefied properly, which produces bubbles in the finalized product.

3. Mold cooling down.
When the material has sufficiently spent the enough of time in the oven, it is then removed 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 shrinks slightly for ease of removal from the mould. This is one more measure that depends a lot on the correct timing, since quick cooling decreases the material too rapidly, causing warping of the item.

4. The unloading or de-moulding phase.
When the material within te mold has cooled properly, the person handling the process can then extract the completed item from the mould. The technique is repeated from the start, supplying a series of exact items.

For more information on the different rotational rotomolding options offered for the Dayville CT 6241 area, please call our toll free number  866-971-7861 or fill out the form on the right for a consultation!

Other areas we service, go here to plastic manufacturing

Local Resources

Production Example
Google Map