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

rotomoulding-Owensboro-Rotational moulding refers to a plastic production practice that makes hollow stress-free items. The process depends on high temperatures and bi axial rotation to come up with seamless, one piece items that have many different forms, sizes and colors. This method is also called roto-molding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl types.

The benefit that makes this unique from other plastic manufacturing methods that no pressure is called for. It also has few competitors when it comes down to the creation of sizable hollow items which are resilient and inexpensive.There is a variety of products that are produced by this process including big water tanks, automobile materials, sophisticated molded medical products, leisure equipment, toys, canoes, industrialized equipment among many others.This is due to the versatility in regards to type 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 Owensboro KY 42301, 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 rotomoulding 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-Owensboro-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 Kentucky 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 Owensboro Kentucky 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 Process in Detail

This moulding method has been used since earlier times for creatingvseverl items. Egyptians as an example, utilized rotocasting techniques in the producing of ceramics. The Swiss were also making use of this rotation approach to generate hollow chocolate eggs. Some plastic product lines in the USA were created using this procedure some time between 1940 and 1950. The technique has however taken long to take affect because it was looked at to be a moderately slow-moving process

1. Mold readying.
A predetermined quantity of polymer in particle form is filled into a hollow mold. The mold is usually made from cast aluminium or sheet steel substance. The colour intended for the final 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 secured and put within the oven.

2. The heating and fusion phase.
Once within the oven, the mould is rotated on two axis so the powdered polymer liquefies from the heat and layers the inside if the mold. The spinning is done gradually, about 20 revolutions per sixty seconds. One thing that is critical at this point is the amount of time the mould will spend inside the oven. If it overstays, the component will lose value and durability, generating a faulty item. If it is extracted from the oven too early, the polymer will not have liquefied correctly, which develops bubbles in the completed product line.

3. Mold cooling down.
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 material cools, it shrinks somewhat for ease of extraction from the mould. This is an additional step that depends upon a lot on the right timing, since quick cooling decreases the material too quick, causing warping of the material.

4. The offloading or de-molding phase.
As soon as the component within te mold has cooled effectively, the person managing the operation can then take out the finished product from the mould. The function is repeated from the start, providing a number of similar items.

For more information on the different rotational molding options offered for the Owensboro KY 42301 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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