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

rotocasting-Gridley-Rotational molding pertains to a plastic production technique that makes hollow stress-free product lines. The method utilizes high temperatures and bi axial rotation to follow up with seamless, one piece objects that have a wide range of shapes, colors and sizes. This procedure is also called rotomoulding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl styles.

The benefit that makes this unique from other plastic manufacturing procedures because no pressure is called for. It also has few competitors when it involves the manufacture of sizable hollow items which are long lasting and inexpensive.There is a wide variety of products that are generated by this process including big water tanks, automobile materials, intricate shaped medical items, leisure equipment, toys, kayaks, industrial equipment among many others.This is due to the flexibility in regards to type and forms that the process creates

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Gridley IL 61744, 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

Plastic Products-Gridley-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 Gridley 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 Roto-Molding Procedure Components

This moulding system has been used since early times for creatingvseverl product lines. Egyptians for instance, worked with rotational molding methods in the manufacturing of ceramics. The Swiss were also working with this rotation approach to create hollow chocolate eggs. Some plastic items in the USA were developed using this procedure some time between 1940 and 1950. The procedure has however taken long to take affect because it was considered as being a relatively slow-moving process

1. Mould readying.
A fixed measure of polymer in powder form is packed into a hollow mould. The mould is usually made of cast aluminium or sheet steel material. The color chosen for the final product 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 style of plastic production.

Preheating 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 locked and positioned into the oven.

2. The heat and fusion phase.
Once inside the oven, the mold is rotated on two axis so the powdered polymer melts from the heat and layers the inside if the mould. The turning is done slowly, about 20 revolutions per sixty seconds. The main thing that is critical at this moment is the period of time the mould will spend inside the oven. If it overstays, the product will lose stability and durability, making a faulty product. If it is taken out from the oven prematurely, the polymer will not have liquefied properly, which develops bubbles in the finalized item.

3. Mould cooling down.
When the component has completely spent the right amount of time in the oven, it is then removed 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 reduces slightly for ease of extraction from the mold. This is one more step that depends a lot on the right timing, since quick cooling decreases the material too quickly, causing bending of the product.

4. The removing or de-moulding phase.
Once the product inside te mold has cooled properly, the molder handling the procedure can then take out the finished product from the mold. The process is repeated from the beginning, supplying a number of identical products.

For more information on the different rotational molding options offered for the Gridley IL 61744 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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