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

rotomoulding-Pembroke-Rotational moulding pertains to a plastic production solution that creates hollow stress-free product lines. The procedure utilizes high temperatures and bi axial rotation to follow up with seamless, one piece objects that have many different designs, 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 styles.

The component that makes this different from other plastic manufacturing methods because no pressure is called for. It also has few competitors when it pertains to the creation of large hollow items which are long-lasting and inexpensive.There is a wide variety of product lines that are produced by this process including big water tanks, automobile items, sophisticated shaped medical products, leisure equipment, toys, kayaks, industrialized equipment among many others.This is because of the flexibility 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 Pembroke KY 42266, 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-Pembroke-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 Pembroke 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 process has been used since ancient times for creatingvseverl product lines. Egyptians for instance, employed roto-molding methods in the manufacturing of ceramics. The Swiss were also using this rotation technique to generate hollow chocolate eggs. Some plastic product lines in the USA were manufactured utilizing this approach some time between 1940 and 1950. The technique has however taken very long to catch on because it was considered to be a relatively slow process

1. Mold fitting.
A fixed measure of polymer in grain form is loaded into a hollow mould. The mould is usually composeded of cast aluminium or sheet steel material. The colour intended for the final 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 format of plastic manufacturing.

Pre-heating of the oven starts, and it can 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 put within the oven.

2. The heat and fusion phase.
Once inside the oven, the mold is turned on two axis so the powdered polymer melts from the heat and layers the inside if the mold. The rotation is done slowly and gradually, about 20 rotations per min. Something that is important at this moment is the amount of time the mould will spend within the oven. If it stays to long, the component will lose stability and durability, making a weak item. If it is extracted from the oven prematurely, the polymer will not have melted correctly, which develops bubbles in the completed product.

3. Mould cooling down.
When the component has completely spent the enough 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 product cools, it reduces a little for ease of extraction from the mould. This is yet another procedure that depends a lot on the correct timing, since rapid cooling decreases the material too quick, causing bending of the item.

4. The removing or de-moulding step.
Once the product within te mould has cooled effectively, the person taking care of the procedure can then remove the finalized product from the mold. The technique is repeated from the start, giving a series of exact product lines.

For more information on the different rotational molding options offered for the Pembroke KY 42266 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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