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

roto-molding-Kingsville-Rotational molding refers to a plastic production practice that generates hollow stress-free products. The procedure depends on high temperatures and bi axial rotation to come up with seamless, one piece products that have varying forms, colors and sizes. This method is also referred to as roto-molding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl types.

The feature that makes this different from other plastic manufacturing procedures that no pressure is needed. It also has few contenders when it comes to the production of large size hollow items which are durable and inexpensive.There is a wide variety of items that are produced by this process including large size water tanks, automobile products, intricate designed medical products, leisure equipment, toys, canoes, industrial equipment among many others.This is due to the versatility in terms of style and shapes that the process manufactures

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Kingsville OH 44048, 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 roto-molding 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-Kingsville-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 Ohio 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 Kingsville Ohio 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 in Detail

This moulding process has been used since early times for creatingvseverl product lines. Egyptians as an example, employed rotational molding procedures in the of ceramics. The Swiss were also using this rotation technique to make hollow chocolate eggs. Some plastic items in the USA were made utilizing this technique some time between 1940 and 1950. The system has however taken very long to catch on because it was considered to be a rather slow process

1. Mold fitting.
A predetermined quantity of polymer in particle form is loaded into a hollow mold. The mould is usually constructed from cast aluminium or sheet steel material. The color desired for the finished 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 design of plastic assembly.

Preheating of the oven follows, and it can 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 inserted into the oven.

2. The heating up and fusion process.
Once placed into the oven, the mold is rotated on two axis so the powdered polymer liquefies from the heat and layers the inside if the mold. The rotation is done slowly and gradually, about 20 revolutions per min. One thing that is vital at this point is the amount of time the mold will spend inside the oven. If it stays to long, the material will lose stability and strength, creating a poor product. If it is taken out from the oven too early, the polymer will not have flowed properly, which generates bubbles in the completed item.

3. Mold cooling down.
When the material has completely spent the enough of time in the oven, it is then taken out for cooling. This can be done by air or water, or sometimes a mixture of both which a cool mist. When the product cools, it reduces a little for ease of extraction from the mold. This is an additional step that relies a lot on the correct timing, since quick cooling decreases the material too fast, causing bending of the material.

4. The unloading or de-moulding phase.
Once the component within te mold has cooled correctly, the person taking care of the operation can then extract the completed item from the mold. The technique is repeated from the beginning, providing a series of exact product lines.

For more information on the different rotational molding options offered for the Kingsville OH 44048, please call our toll free number  866-971-7861 or fill out the form on the right for a consultation!

Other areas we service, go here to plastic manufacturing

Local Resources

Process Example
Google Map