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

rotocasting-Beckley-Rotational molding refers to a plastic manufacturing solution that produces hollow stress-free product lines. The function relies on high temperatures and bi axial rotation to follow up with seamless, one piece objects that have several shapes, colors and sizes. This procedure is also referred to as rotomoulding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl forms.

The attribute that makes this different from other plastic manufacturing techniques because no pressure is called for. 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 items that are generated by this process including large water tanks, automobile products, complex shaped medical products, leisure equipment, toys, canoes, industrial equipment among many others.This is due to the flexibility in terms of type 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 Beckley WV 25801, 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 Molding-Beckley-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 West Virginia 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 Beckley West Virginia 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 Rotomolding Procedure in Detail

This molding technique has been used since early times for creatingvseverl product lines. Egyptians as an example, utilized rotocasting solutions in the manufacturing of ceramics. The Swiss were also working with this rotation method to generate hollow chocolate eggs. Some plastic product lines in the USA were made utilizing this technique some time between 1940 and 1950. Because it was viewed to be a relatively slow method, the process has however taken long to catch on

1. Mould fitting.
A fixed quantity of polymer in powder form is packed into a hollow mold. The mold is usually constructed from cast aluminium or sheet steel substance. The coloration wanted for the final item 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 style of plastic assembly.

Pre-heating of the oven starts, and it may be done by either conduction, convection or sometimes radiation. It is warmed to temperatures between 500-700F. The mould with the powdered polymer is then secured and positioned inside the oven.

2. The heat and fusion step.
Once inside the oven, the mould is turned on two axis so the powdered polymer melts from the heat and coats the inside if the mould. The rotation is done slowly, about 20 rotations per minute. Something that is vital at this point is the amount of time the mold will spend within the oven. If it stays to long, the material will lose stability and strength, creating a weak product. If it is removed from the oven too early, the polymer will not have liquefied properly, which generates bubbles in the finalized item.

3. Mold cooling down.
When the component has sufficiently spent the enough 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 product cools, it reduces somewhat for ease of extraction from the mold. This is another measure that depends a lot on the ideal timing, since quick cooling reduces the material too quickly, causing warping of the material.

4. The discharging or de-moulding phase.
When the product within te mold has cooled successfully, the molder taking care of the operation can then take out the finalized item from the mould. The procedure is repeated from the start, making a series of exact items.

For more information on the different rotational rotomolding options offered for the Beckley WV 25801 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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