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

rotocasting-Warsaw-Rotational molding refers to a plastic manufacturing method that makes hollow stress-free product lines. The technique uses high temperatures and bi axial rotation to come up with seamless, one piece items that have a variety of shapes, sizes and colors. This method is also known as rotomolding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl forms.

The function that makes this different from other plastic manufacturing processes that no pressure is required. It also has few contenders when it involves the manufacture of large size hollow products which are long-lasting and inexpensive.There is a variety of items that are created by this process including large water tanks, automobile items, complex shaped medical products, leisure equipment, toys, canoes, industrialized equipment among many others.This is because of the flexibility in regards to design and shapes that the process develops

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Warsaw IN 46580, 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 rotocasting 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-Warsaw-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 Indiana 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 Warsaw Indiana 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 Procedure Components

This molding method has been used since earlier times for creatingvseverl items. Egyptians as an example, employed roto-molding methods in the creating of ceramics. The Swiss were also utilizing this rotation type to create hollow chocolate eggs. Some plastic items in the USA were made utilizing this method some time between 1940 and 1950. Considering that it was regarded to be a basically slow process, the technique has however taken long to catch on

1. Mould readying.
A predetermined measure of polymer in grain form is packed into a hollow mold. The mold is usually composeded of cast aluminium or sheet steel component. The color tone desired for the finished product 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 manufacturing.

Preheating of the oven starts, 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 locked and installed within the oven.

2. The heating up and fusion procedure.
Once inside the oven, the mold is turned on two axis so the powdered polymer liquefies from the heat and layers the inside if the mould. The spinning is done gradually, about 20 revolutions per sixty seconds. Something that is crucial at this point is the amount of time the mould will spend within the oven. If it overstays, the product will lose value and strength, making a faulty product. If it is extracted from the oven prematurely, the polymer will not have melted correctly, which generates bubbles in the finished item.

3. Mold cooling.
When the product 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 creates a cool mist. When the component cools, it shrinks slightly for ease of removal from the mould. This is one more procedure that depends a lot on the ideal timing, since rapid cooling reduces the material too quickly, causing warping of the item.

4. The removing or de-molding phase.
When the product within te mould has cooled adequately, the molder handling the procedure can then remove the completed item from the mold. The procedure is repeated from the beginning, supplying a number of exact product lines.

For more information on the different rotational rotomolding options offered for the Warsaw IN 46580 area, 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 custom molded

Local Resources

Production Example
Google Map