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

rotomoulding-Maysville-Rotational molding refers to a plastic manufacturing practice that creates hollow stress-free items. The procedure relies on high temperatures and bi axial rotation to follow up with seamless, one piece items that have a wide range of designs, sizes and colors. This technique is also called roto-molding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl styles.

The feature that makes this unique from other plastic manufacturing processes because no pressure is needed. It also has few rivals when it comes down to the manufacture of sizable hollow items which are long lasting and inexpensive.There is a variety of product lines that are developed by this process including large size water tanks, automobile items, intricate shaped medical products, recreation equipment, toys, canoes, industrialized equipment among many others.This is because of the versatility in regards to 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 Maysville KY 41056, 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 rotocasting 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 Products-Maysville-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 Maysville 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 Method Components

This molding procedure has been used since early times for creatingvseverl products. Egyptians as an example, worked with roto-molding solutions in the creating of ceramics. The Swiss were also using this rotation type to make hollow chocolate eggs. Some plastic product lines in the USA were developed using this technique 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-moving process

1. Mould readying.
A fixed amount of polymer in particle form is packed into a hollow mold. The mold is usually made of cast aluminium or sheet steel component. The color needed 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 assembly.

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 mould with the powdered polymer is then secured and put into the oven.

2. The heat and fusion phase.
Once within the oven, the mold is rotated on two axis so the powdered polymer melts from the heat and overlays the inside if the mould. The turning is done slowly, about 20 rotations per sixty seconds. Something 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 value and strength, making a faulty item. If it is extracted from the oven too early, the polymer will not have melted correctly, which develops bubbles in the completed product.

3. Mold cooling.
When the component has sufficiently spent the correct amount of time in the oven, it is then removed for cooling. This may be done by air or water, or sometimes a mixture of both which generates a cool mist. When the product cools, it shrinks somewhat for ease of extraction from the mold. This is yet another step that depends upon a lot on the correct timing, since quick cooling decreases the material too quickly, causing bending of the item.

4. The un-loading or de-molding phase.
Once the product within te mould has cooled adequately, the molder managing the process can then extract the finished product from the mold. The technique is repeated from the start, making a number of similar products.

For more information on the different rotational molding options offered for the Maysville KY 41056 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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