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

rotocasting-Olive Hill-Rotational molding pertains to a plastic manufacturing practice that produces hollow stress-free product lines. The procedure relies upon high temperatures and bi axial rotation to come up with seamless, one piece objects that have a wide range of forms, sizes and colors. This method is also referred to as roto-molding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl types.

The attribute that makes this unique from other plastic manufacturing procedures that no pressure is needed. It also has few rivals when it involves the manufacture of sizable hollow products which are resilient and inexpensive.There is a variety of product lines that are created by this process including big water tanks, automobile materials, intricate molded medical items, leisure equipment, toys, canoes, industrial equipment among many others.This is because of the flexibility in terms of design and forms that the process develops

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Olive Hill KY 41164, 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

Custom Molded-Olive Hill-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 Olive Hill 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 Components

This moulding technique has been used since earlier times for creatingvseverl items. Egyptians for instance, worked with rotomoulding techniques in the manufacturing of ceramics. The Swiss were also using this rotation design to generate hollow chocolate eggs. Some plastic product lines in the USA were created using this approach some time between 1940 and 1950. The system has however taken very long to catch on because it was considered to be a very slow process

1. Mold readying.
A fixed measure of polymer in grain form is loaded into a hollow mould. The mould is usually crafted from cast aluminium or sheet steel substance. The colour intended for the final goods is pre compounded into the polymer. The most generally used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this type of plastic engineering.

Pre-heating 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 sealed and placed inside the oven.

2. The heating up and fusion phase.
Once inside the oven, the mould is spun on two axis so the powdered polymer liquefies from the heat and overlays the inside if the mold. The turning is done gradually, about 20 revolutions per min. The main thing that is important at this point is the period of time the mould will spend inside the oven. If it overstays, the material will lose stability and durability, making a weak item. If it is removed from the oven prematurely, the polymer will not have liquefied properly, which generates bubbles in the completed product.

3. Mould cooling.
When the component has completely spent the enough of time in the oven, it is then extracted for cooling. This may be done by air or water, or sometimes a mixture of both which creates a cool mist. When the product cools, it shrinks slightly for ease of extraction from the mould. This is one more procedure that relies a lot on the right timing, since rapid cooling reduces the material too fast, causing warping of the item.

4. The discharging or de-molding phase.
When the product within te mould has cooled effectively, the person taking care of the process can then take out the completed product from the mold. The process is repeated from the beginning, giving a series of identical items.

For more information on the different rotational molding options offered for the Olive Hill KY 41164 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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