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

rotational molding-Rushville-Rotational molding pertains to a plastic manufacturing practice that creates hollow stress-free items. The method uses high temperatures and bi axial rotation to follow up with seamless, one piece items that have various shapes, sizes and colors. This technique is also called rotomolding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl types.

The function that makes this different from other plastic manufacturing methods that no pressure is required. It also has few contenders when it involves the production of sizable hollow products which are durable and inexpensive.There is a wide range of products that are produced by this process including large water tanks, automobile products, complex molded medical items, leisure equipment, toys, kayaks, industrialized equipment among many others.This is because of the versatility in regards to style and shapes that the process creates

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Rushville IN 46173, 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

Custom Molding-Rushville-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 Rushville 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 Roto-Molding Process in Detail

This molding system has been used since early times for creatingvseverl product lines. Egyptians as an example, worked with rotocasting procedures in the creating of ceramics. The Swiss were also working with this rotation design to create hollow chocolate eggs. Some plastic product lines in the USA were developed utilizing this method some time between 1940 and 1950. Considering that it was viewed to be a basically slow-moving technique, the procedure has however taken long to become popular

1. Mould fitting.
A fixed measure of polymer in powder form is packed into a hollow mold. The mould is usually constructed from cast aluminium or sheet steel substance. The coloration chosen for the end 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 format of plastic production.

Pre-heating of the oven follows, and it can be done by either conduction, convection or sometimes radiation. It is heated up to temperatures between 500-700F. The mould with the powdered polymer is then sealed and installed within the oven.

2. The heat and fusion phase.
Once placed into the oven, the mould is spun on two axis so the powdered polymer melts from the heat and coats the inside if the mold. The rotation is done gradually, about 20 rotations per sixty seconds. The main thing that is vital at this moment is the amount of time the mold will spend within the oven. If it stays to long, the product will lose value and durability, generating a weak product. If it is removed from the oven too early, the polymer will not have liquefied correctly, which generates bubbles in the finalized product line.

3. Mold cooling.
When the material has completely spent the enough of time in the oven, it is then taken out for cooling. This may be done by air or water, or sometimes a mixture of both which creates a cool mist. When the product cools, it shrinks somewhat for ease of extraction from the mold. This is yet another procedure that relies a lot on the right timing, since quick cooling shrinks the material too rapidly, causing warping of the item.

4. The un-loading or de-moulding phase.
As soon as the product within te mould has cooled properly, the molder taking care of the process can then remove the finalized item from the mold. The procedure is repeated from the start, providing a number of identical items.

For more information on the different rotational rotomolding options offered for the Rushville IN 46173 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