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

roto-molding-Greenup-Rotational molding pertains to a plastic manufacturing practice that makes hollow stress-free products. The procedure uses high temperatures and bi axial rotation to follow up with seamless, one piece items that have different shapes, colors and sizes. This procedure 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 in that no pressure is required. It also has few rivals when it involves the creation of large hollow items which are resilient and inexpensive.There is a variety of product lines that are developed by this process including big water tanks, automobile items, intricate shaped medical items, leisure equipment, toys, kayaks, commercial equipment among many others.This is because of the flexibility in regards to design 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 Greenup KY 41144, 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

Custom Molding-Greenup-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 Greenup 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 Method in Detail

This moulding procedure has been used since early times for creatingvseverl items. Egyptians as an example, employed rotational molding systems in the making of ceramics. The Swiss were also working with this rotation approach to create hollow chocolate eggs. Some plastic product lines in the USA were developed using this technique some time between 1940 and 1950. Given that it was considered to be a very slow-moving approach, the process has however taken long to catch on

1. Mould readying.
A fixed measure of polymer in particle form is loaded into a hollow mould. The mold is usually made from cast aluminium or sheet steel component. The color intended for the final product is pre compounded into the polymer. The most typically used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this type of plastic engineering.

Preheating of the oven starts, and it may be done by either conduction, convection or sometimes radiation. It is heated up to temperatures between 500-700F. The mold with the powdered polymer is then locked and installed within the oven.

2. The heating and fusion step.
Once placed into the oven, the mold is spun on two axis so the powdered polymer liquefies from the heat and layers the inside if the mold. The rotation is done slowly and gradually, about 20 revolutions per min. One thing that is essential at this moment is the period of time the mold will spend within the oven. If it stays to long, the component will lose stability and durability, making a weak item. If it is taken out from the oven prematurely, the polymer will not have flowed properly, which develops bubbles in the completed item.

3. Mould cooling down.
When the product has sufficiently spent the correct amount 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 component cools, it shrinks slightly for ease of removal from the mould. This is an additional procedure that depends upon a lot on the correct timing, since rapid cooling reduces the material too quickly, causing warping of the product.

4. The removing or de-moulding phase.
As soon as the product within te mould has cooled correctly, the person managing the operation can then take out the finalized product from the mold. The process is repeated from the start, making a series of exact products.

For more information on the different rotational molding options offered for the Greenup KY 41144 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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