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

rotocasting-Duncan Falls-Rotational moulding refers to a plastic production solution that makes hollow stress-free products. The process relies on 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 technique is also known as roto-molding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The component that makes this unique from other plastic manufacturing methods because no pressure is needed. It also has few contenders when it involves the manufacture of large hollow products which are long-lasting and inexpensive.There is a variety of products that are created by this process including big water tanks, automobile materials, intricate shaped medical items, leisure equipment, toys, kayaks, industrialized equipment among many others.This is because of the flexibility in terms of style 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 Duncan Falls OH 43734, 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 rotational 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

Plastic Manufacturing-Duncan Falls-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 Duncan Falls 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 Procedure in Detail

This molding process has been used since earlier times for creatingvseverl product lines. Egyptians for example, utilized rotational molding solutions in the manufacturing of ceramics. The Swiss were also employing this rotation type to generate hollow chocolate eggs. Some plastic products in the USA were made utilizing this approach some time between 1940 and 1950. Given that it was regarded to be a rather slow-moving approach, the method has however taken long to catch on

1. Mould fitting.
A predetermined amount of polymer in grain form is loaded into a hollow mold. The mold is usually made from cast aluminium or sheet steel component. The coloring preferred for the end item is pre compounded into the polymer. The most often used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this style of plastic manufacturing.

Preheating of the oven starts, and it may be done by either conduction, convection or sometimes radiation. It is heated to temperatures between 500-700F. The mold with the powdered polymer is then secured and positioned within the oven.

2. The heating and fusion step.
Once inside the oven, the mold is spun on two axis so the powdered polymer melts from the heat and coats the inside if the mould. The turning is done slowly and gradually, about 20 rotations per minute. One thing that is crucial at this moment is the amount of time the mould will spend within the oven. If it stays to long, the material will lose stability and strength, producing a weak product. If it is extracted from the oven too early, the polymer will not have melted correctly, which develops bubbles in the finalized product line.

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 can be done by air or water, or sometimes a mixture of both which a cool mist. When the product cools, it reduces slightly for ease of removal from the mould. This is one more procedure that depends upon a lot on the correct timing, since quick cooling decreases the material too fast, causing bending of the item.

4. The discharging or de-moulding step.
Once the material within te mould has cooled adequately, the molder managing the operation can then take out the completed product from the mold. The process is repeated from the start, supplying a number of exact products.

For more information on the different rotational molding options offered for the Duncan Falls OH 43734, please call our toll free number  866-971-7861 or fill out the form on the right for a consultation!

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