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

rotomoulding-Woodstock Valley-Rotational molding pertains to a plastic production practice that makes hollow stress-free product lines. The process relies upon high temperatures and bi axial rotation to follow up with seamless, one piece objects that have several forms, sizes and colors. This technique is also called rotomolding 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 because no pressure is called for. It also has few contenders when it comes down to the creation of large hollow products which are long lasting and inexpensive.There is a variety of product lines that are produced by this process including big water tanks, automobile items, intricate molded medical products, leisure equipment, toys, canoes, industrial equipment among many others.This is because of the versatility in regards to style 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 Woodstock Valley CT 6282, 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 Manufacturing-Woodstock Valley-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 Woodstock Valley 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 Method in Detail

This moulding procedure has been used since earlier times for creatingvseverl product lines. Egyptians for example, utilized roto-molding methods in the making of ceramics. The Swiss were also working with this rotation type to generate hollow chocolate eggs. Some plastic product lines in the USA were developed using this approach some time between 1940 and 1950. The process has however taken very long to take affect because it was considered as being a pretty slow-moving process

1. Mould fitting.
A predetermined amount of polymer in particle form is filled into a hollow mold. The mould is usually built from cast aluminium or sheet steel material. The coloration chosen for the finished item 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 design of plastic production.

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 put inside the oven.

2. The heating and fusion process.
Once placed into the oven, the mold is spun on two axis so the powdered polymer melts from the heat and coats the inside if the mould. The turning is done slowly, about 20 revolutions per min. The main thing that is crucial at this point is the period of time the mold will spend inside the oven. If it overstays, the material will lose value and strength, generating a weak product. If it is removed from the oven prematurely, the polymer will not have flowed properly, which creates bubbles in the completed product line.

3. Mold cooling down.
When the product has completely spent the enough of time in the oven, it is then taken out for cooling. This can be done by air or water, or sometimes a mixture of both which generates a cool mist. When the component cools, it reduces somewhat for ease of removal from the mould. This is one more step that depends upon a lot on the correct timing, since rapid cooling reduces the material too fast, causing warping of the item.

4. The un-loading or de-molding phase.
Once the component inside te mould has cooled successfully, the person managing the process can then remove the finished product from the mould. The function is repeated from the beginning, providing a number of exact items.

For more information on the different rotational rotomolding options offered for the Woodstock Valley CT 6282 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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