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

rotomoulding-Salt Lick-Rotational moulding pertains to a plastic production technique that generates hollow stress-free items. The procedure relies upon high temperatures and bi axial rotation to come up with seamless, one piece products 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 forms.

The feature that makes this unique from other plastic manufacturing processes that no pressure is needed. It also has few competitors when it comes to the production of large hollow products which are long-lasting and inexpensive.There is a wide range of products that are generated by this process including large water tanks, automobile items, complex designed medical items, leisure equipment, toys, kayaks, commercial equipment among many others.This is because of the versatility 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 Salt Lick KY 40371, 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 Molding-Salt Lick-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 Salt Lick 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 Components

This moulding technique has been used since ancient times for creatingvseverl products. Egyptians as an example, applied rotomoulding systems in the of ceramics. The Swiss were also employing this rotation format to make hollow chocolate eggs. Some plastic product lines in the USA were made using this procedure some time between 1940 and 1950. The procedure has however taken long to catch on because it was looked at as being a very slow process

1. Mould fitting.
A fixed quantity of polymer in particle form is loaded into a hollow mould. The mold is usually crafted from cast aluminium or sheet steel material. The coloration desired for the finished product is pre compounded into the polymer. The most commonly used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this format of plastic assembly.

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

2. The heating up and fusion step.
Once within the oven, the mold is spun on two axis so the powdered polymer liquefies from the heat and overlays the inside if the mould. The turning is done gradually, about 20 spins per min. The main thing that is essential at this moment is the period of time the mould will spend within the oven. If it stays to long, the product will lose stability and strength, creating a weak item. If it is removed from the oven too early, the polymer will not have liquefied properly, which produces bubbles in the completed product line.

3. Mold cooling.
When the product 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 material cools, it reduces somewhat for ease of removal from the mold. This is one more measure that depends a lot on the right timing, since quick cooling decreases the material too rapidly, causing warping of the item.

4. The discharging or de-moulding step.
When the component inside te mould has cooled adequately, the person managing the procedure can then extract the finalized product from the mould. The process is repeated from the beginning, giving a number of exact product lines.

For more information on the different rotational molding options offered for the Salt Lick KY 40371 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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