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

rotomoulding-Crescent City-Rotational moulding pertains to a plastic production procedure that makes hollow stress-free products. The technique depends on high temperatures and bi axial rotation to come up with seamless, one piece items that have several shapes, colors and sizes. This method is also known as rotomolding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The feature that makes this different from other plastic manufacturing methods because no pressure is needed. It also has few competitors when it pertains to the production of large hollow products which are long lasting and inexpensive.There is a wide variety of products that are developed by this process including big water tanks, automobile products, sophisticated molded medical products, recreation equipment, toys, kayaks, commercial equipment among many others.This is due to the flexibility in terms of 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 Crescent City IL 60928, 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 rotomoulding 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 Molding-Crescent City-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 Crescent City 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 Method in Detail

This molding procedure has been used since early times for creatingvseverl product lines. Egyptians for example, worked with roto-molding methods in the manufacturing of ceramics. The Swiss were also employing this rotation design to make hollow chocolate eggs. Some plastic products in the USA were developed utilizing this approach some time between 1940 and 1950. The procedure has however taken very long to take affect because it was looked at to be a relatively slow process

1. Mould prep work.
A predetermined measure of polymer in grain form is loaded into a hollow mold. The mould is usually built from cast aluminium or sheet steel substance. The color needed for the end 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 format of plastic production.

Pre-heating of the oven starts, and it may 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 sealed and inserted inside the oven.

2. The heat and fusion phase.
Once inside the oven, the mould is spun on two axis so the powdered polymer melts from the heat and coats the inside if the mould. The rotation is done slowly, about 20 revolutions per min. Something that is important at this point is the amount of time the mold will spend inside the oven. If it overstays, the material will lose value and durability, creating a poor product. If it is removed from the oven prematurely, the polymer will not have flowed properly, which produces bubbles in the finished product line.

3. Mould cooling.
When the product has sufficiently spent the enough 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 material cools, it shrinks somewhat for ease of removal from the mould. This is yet another step that depends upon a lot on the ideal timing, since quick cooling decreases the material too quickly, causing warping of the product.

4. The offloading or de-moulding step.
Once the material within te mould has cooled effectively, the person taking care of the operation can then remove the completed item from the mold. The function is repeated from the start, giving a number of exact product lines.

For more information on the different rotational molding options offered for the Crescent City IL 60928 area, please call our toll free number  866-971-7861 or fill out the form on the right for a consultation!

Other areas we service, go here to custom molding

Local Resources

Process in Action
Google Map