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

rotational moulding-Borden-Rotational molding pertains to a plastic production solution that produces hollow stress-free product lines. The process depends on high temperatures and bi axial rotation to follow up with seamless, one piece items that have a wide range of designs, colors and sizes. This procedure is also called roto-molding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl types.

The benefit that makes this unique from other plastic manufacturing techniques that no pressure is required. It also has few contenders when it comes to the creation of large size hollow products which are resilient and inexpensive.There is a wide range of products that are created by this process including large size water tanks, automobile products, complex designed medical items, recreation equipment, toys, canoes, commercial equipment among many others.This is due to the flexibility in terms of style and forms that the process makes

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Borden IN 47106, 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 Molded-Borden-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 Borden 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 moulding procedure has been used since ancient times for creatingvseverl product lines. Egyptians as an example, employed roto-molding procedures in the manufacturing of ceramics. The Swiss were also employing this rotation type to make hollow chocolate eggs. Some plastic product lines in the USA were developed utilizing this approach some time between 1940 and 1950. The technique has however taken long to catch on because it was considered to be a pretty slow-moving process

1. Mould preparation.
A fixed amount of polymer in powder form is filled into a hollow mold. The mold is usually made of cast aluminium or sheet steel material. The colour wanted for the finished goods 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 type of plastic production.

Pre-heating of the oven follows, and it may 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 placed inside the oven.

2. The heat and fusion step.
Once within the oven, the mold is revolved on two axis so the powdered polymer melts from the heat and layers the inside if the mold. The spinning is done slowly and gradually, about 20 rotations per sixty seconds. One thing that is vital at this moment is the period of time the mould will spend inside the oven. If it overstays, the product will lose value and strength, producing a weak item. If it is extracted from the oven prematurely, the polymer will not have liquefied properly, which creates bubbles in the completed product.

3. Mold cooling.
When the product has sufficiently spent the right amount 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 generates a cool mist. When the product cools, it shrinks a little for ease of removal from the mold. This is another step that depends upon a lot on the ideal timing, since quick cooling reduces the material too fast, causing warping of the material.

4. The un-loading or de-molding phase.
When the product inside te mold has cooled properly, the molder taking care of the process can then extract the finalized product from the mould. The process is repeated from the start, giving a number of exact product lines.

For more information on the different rotational rotomolding options offered for the Borden IN 47106 area, please call our toll free number  866-971-7861 or fill out the form on the right for a consultation!

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