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

rotational molding-Lemont-Rotational moulding pertains to a plastic manufacturing solution that produces hollow stress-free product lines. The function relies upon high temperatures and bi axial rotation to follow up with seamless, one piece items that have many different designs, colors and sizes. This procedure is also called rotomoulding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The feature that makes this different from other plastic manufacturing procedures because no pressure is required. It also has few contenders when it pertains to the production of large size hollow products which are long-lasting and inexpensive.There is a variety of product lines that are created by this process including large size water tanks, automobile products, intricate designed medical products, leisure equipment, toys, kayaks, industrial equipment among many others.This is due to the flexibility in terms of style 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 Lemont IL 60439, 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

Plastic Manufacturing-Lemont-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 Lemont 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 Rotomolding Process in Detail

This molding operation has been used since earlier times for creatingvseverl products. Egyptians as an example, worked with rotational molding methods in the making of ceramics. The Swiss were also applying this rotation approach to create hollow chocolate eggs. Some plastic products in the USA were made utilizing this procedure some time between 1940 and 1950. Considering that it was considered to be a basically slow-moving process, the procedure has however taken long to become popular

1. Mold fitting.
A fixed amount of polymer in grain form is loaded into a hollow mold. The mould is usually composeded of cast aluminium or sheet steel material. The color wanted for the finished item is pre compounded into the polymer. The most often used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this type of plastic assembly.

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 sealed and put within the oven.

2. The heat and fusion step.
Once within the oven, the mold is turned on two axis so the powdered polymer melts from the heat and layers the inside if the mold. The rotation is done slowly, about 20 rotations per sixty seconds. The main thing that is critical at this point is the amount of time the mold will spend inside the oven. If it overstays, the component will lose stability and durability, creating a faulty product. If it is taken out from the oven too early, the polymer will not have melted properly, which develops bubbles in the completed product.

3. Mold cooling down.
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 generates a cool mist. When the product cools, it shrinks a little for ease of removal from the mold. This is yet another measure that depends a lot on the right timing, since quick cooling decreases the material too rapidly, causing bending of the product.

4. The discharging or de-moulding phase.
When the component inside te mould has cooled correctly, the person managing the operation can then remove the completed product from the mould. The function is repeated from the beginning, supplying a number of similar products.

For more information on the different rotational molding options offered for the Lemont IL 60439 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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