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

rotomoulding-Franklin-Rotational moulding pertains to a plastic manufacturing method that produces hollow stress-free items. The function depends on high temperatures and bi axial rotation to follow up with seamless, one piece items that have a wide range of shapes, sizes and colors. This technique is also referred to as roto-molding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl styles.

The attribute that makes this different from other plastic manufacturing procedures because no pressure is called for. It also has few contenders when it involves the creation of sizable hollow items which are long lasting and inexpensive.There is a wide variety of items that are generated by this process including large size water tanks, automobile products, intricate molded medical products, leisure equipment, toys, canoes, industrial equipment among many others.This is due to the flexibility in terms of type 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 Franklin IL 62638, 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 Molded-Franklin-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 Illinois 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 Franklin Illinois 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 Method Components

This moulding technique has been used since earlier times for creatingvseverl product lines. Egyptians for instance, employed rotocasting procedures 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 developed utilizing this method some time between 1940 and 1950. Since it was looked at to be a relatively slow process, the method has however taken long to become popular

1. Mould prep work.
A predetermined measure of polymer in grain form is filled into a hollow mould. The mould is usually composeded of cast aluminium or sheet steel component. The coloration preferred 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 style of plastic production.

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 mold with the powdered polymer is then sealed and positioned within the oven.

2. The heat and fusion step.
Once inside the oven, the mould is turned on two axis so the powdered polymer melts from the heat and layers the inside if the mould. The rotation is done gradually, about 20 rotations per minute. Something that is critical at this moment is the period of time the mold will spend inside the oven. If it stays to long, the material will lose value and strength, producing a faulty product. If it is removed from the oven too early, the polymer will not have melted correctly, which creates bubbles in the finalized product.

3. Mold cooling.
When the material has sufficiently spent the correct amount 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 component cools, it reduces somewhat for ease of removal from the mould. This is an additional measure that depends upon a lot on the correct timing, since quick cooling decreases the material too quick, causing warping of the product.

4. The un-loading or de-moulding step.
Once the component within te mold has cooled effectively, the molder handling the operation can then take out the finished item from the mould. The process is repeated from the beginning, making a series of similar items.

For more information on the different rotational molding options offered for the Franklin IL 62638 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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