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

roto-molding-Laurelville-Rotational molding refers to a plastic production solution that produces hollow stress-free product lines. The procedure utilizes high temperatures and bi axial rotation to come up with seamless, one piece objects that have several shapes, colors and sizes. 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 required. It also has few competitors when it involves the creation of large hollow products which are long-lasting and inexpensive.There is a wide variety of product lines that are developed by this process including big water tanks, automobile materials, complex molded medical items, leisure equipment, toys, kayaks, industrialized equipment among many others.This is due to the versatility in regards to design and shapes that the process makes

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Laurelville OH 43135, 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 rotomolding 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-Laurelville-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 Laurelville 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 Roto-Molding Process in Detail

This molding operation has been used since earlier times for creatingvseverl product lines. Egyptians for example, applied rotational molding techniques in the creating of ceramics. The Swiss were also working with this rotation approach to make hollow chocolate eggs. Some plastic product lines in the USA were manufactured utilizing this procedure some time between 1940 and 1950. The procedure has however taken very long to catch on because it was considered to be a relatively slow-moving process

1. Mold preparation.
A predetermined amount of polymer in grain form is loaded into a hollow mold. The mould is usually comprised of cast aluminium or sheet steel substance. The color intended for the end item 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.

Pre-heating 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 installed within the oven.

2. The heating and fusion step.
Once within the oven, the mold is rotated on two axis so the powdered polymer liquefies from the heat and overlays the inside if the mold. The spinning is done slowly, about 20 revolutions per minute. One thing that is crucial at this point is the period of time the mold will spend inside the oven. If it stays to long, the component will lose stability and strength, generating a poor item. If it is removed from the oven too early, the polymer will not have melted properly, which creates bubbles in the finished product.

3. Mould cooling down.
When the product has sufficiently spent the right amount of time in the oven, it is then extracted for cooling. This may be done by air or water, or sometimes a mixture of both which a cool mist. When the material cools, it reduces somewhat for ease of removal from the mould. This is an additional procedure that depends upon a lot on the correct timing, since quick cooling decreases the material too rapidly, causing warping of the material.

4. The offloading or de-moulding step.
When the product within te mould has cooled correctly, the person taking care of the process can then extract the finished product from the mould. The procedure is repeated from the beginning, supplying a series of exact items.

For more information on the different rotational molding options offered for the Laurelville OH 43135, 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