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

rotational moulding-Mount Olivet-Rotational molding pertains to a plastic production method that creates hollow stress-free products. The function depends on high temperatures and bi axial rotation to follow up with seamless, one piece items that have a wide range of shapes, sizes and colors. This technique is also known as rotomolding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl forms.

The feature that makes this different from other plastic manufacturing processes in that no pressure is needed. It also has few rivals when it comes to the manufacture of large size hollow items which are resilient and inexpensive.There is a variety of product lines that are produced by this process including big water tanks, automobile materials, sophisticated molded medical products, recreation equipment, toys, canoes, commercial equipment among many others.This is due to the versatility in regards to type and forms that the process creates

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Mount Olivet KY 41064, 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 moulding 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-Mount Olivet-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 Mount Olivet 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 Rotomoulding Procedure in Detail

This moulding system has been used since earlier times for creatingvseverl items. Egyptians as an example, applied rotocasting solutions in the manufacturing of ceramics. The Swiss were also using this rotation method to generate hollow chocolate eggs. Some plastic items in the USA were created utilizing this approach some time between 1940 and 1950. The technique has however taken long to catch on because it was considered to be a moderately slow process

1. Mold readying.
A predetermined amount of polymer in grain form is filled into a hollow mold. The mould is usually composeded of cast aluminium or sheet steel substance. The color needed for the finished goods 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 engineering.

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 sealed and placed inside the oven.

2. The heat and fusion process.
Once within the oven, the mold is rotated on two axis so the powdered polymer melts from the heat and layers the inside if the mould. The turning is done slowly, about 20 spins 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 stability and strength, creating a poor product. If it is removed from the oven prematurely, the polymer will not have liquefied properly, which creates bubbles in the completed item.

3. Mold cooling.
When the component has completely spent the correct amount of time in the oven, it is then extracted 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 reduces slightly for ease of removal from the mould. This is yet another measure that relies a lot on the correct timing, since quick cooling reduces the material too rapidly, causing warping of the item.

4. The un-loading or de-moulding phase.
When the component within te mould has cooled properly, the person handling the process can then remove the finished item from the mold. The process is repeated from the start, giving a series of identical products.

For more information on the different rotational molding options offered for the Mount Olivet KY 41064 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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