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

rotational moulding-Orestes-Rotational molding refers to a plastic manufacturing procedure that creates hollow stress-free products. The technique utilizes high temperatures and bi axial rotation to follow up with seamless, one piece objects that have varying designs, colors and sizes. This method is also known as roto-molding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl forms.

The component that makes this different from other plastic manufacturing procedures because no pressure is called for. It also has few contenders when it comes to the production of large size hollow items which are long-lasting and inexpensive.There is a variety of items that are created by this process including large water tanks, automobile items, sophisticated designed medical items, recreation equipment, toys, canoes, commercial equipment among many others.This is due to the flexibility in regards to style and shapes that the process manufactures

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Orestes IN 46063, 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

Custom Molding-Orestes-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 Orestes 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 Rotomolding Process Components

This molding operation has been used since early times for creatingvseverl items. Egyptians for instance, used roto-molding solutions in the making of ceramics. The Swiss were also applying this rotation technique to make hollow chocolate eggs. Some plastic items in the USA were created utilizing this method some time between 1940 and 1950. Because it was regarded to be a relatively slow-moving procedure, the method has however taken long to become popular

1. Mould readying.
A fixed quantity of polymer in particle form is packed into a hollow mould. The mould is usually crafted from cast aluminium or sheet steel substance. The coloring preferred for the end item is pre compounded into the polymer. The most commonly used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this design of plastic assembly.

Pre-heating of the oven starts, and it can be done by either conduction, convection or sometimes radiation. It is heated to temperatures between 500-700F. The mould with the powdered polymer is then locked and inserted inside the oven.

2. The heating and fusion process.
Once placed into the oven, the mould is turned on two axis so the powdered polymer melts from the heat and coats the inside if the mould. The rotation is done slowly and gradually, about 20 rotations per sixty seconds. The main thing that is essential at this moment is the amount of time the mold will spend within the oven. If it stays to long, the product will lose stability and strength, making a faulty item. If it is removed from the oven too early, the polymer will not have melted correctly, which generates bubbles in the finalized product.

3. Mould cooling down.
When the product has sufficiently spent the correct 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 creates a cool mist. When the component cools, it shrinks slightly for ease of removal from the mould. This is another step that relies a lot on the correct timing, since rapid cooling reduces the material too quick, causing warping of the item.

4. The discharging or de-moulding step.
When the product inside te mould has cooled properly, the person handling the procedure can then extract the finished item from the mold. The function is repeated from the start, providing a series of similar items.

For more information on the different rotational rotomolding options offered for the Orestes IN 46063 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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