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

roto-molding-Glen Carbon-Rotational moulding refers to a plastic manufacturing practice that makes hollow stress-free products. The procedure relies on high temperatures and bi axial rotation to come up with seamless, one piece products that have a wide range of designs, colors and sizes. This technique is also known as rotomolding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl styles.

The function that makes this different from other plastic manufacturing techniques in that no pressure is required. It also has few competitors when it comes to the manufacture of large hollow products which are resilient and inexpensive.There is a wide range of product lines that are produced by this process including big water tanks, automobile items, sophisticated shaped medical items, recreation equipment, toys, kayaks, industrial equipment among many others.This is due to the versatility in terms of type and forms that the process produces

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Glen Carbon IL 62034, 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 moulding 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-Glen Carbon-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 Glen Carbon 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 Procedure Components

This molding method has been used since earlier times for creatingvseverl products. Egyptians as an example, used roto-molding solutions in the of ceramics. The Swiss were also using this rotation technique to generate hollow chocolate eggs. Some plastic product lines in the USA were made utilizing this technique some time between 1940 and 1950. Due to the fact that it was considered to be a somewhat slow-moving procedure, the procedure has however taken long to catch on

1. Mold readying.
A fixed volume of polymer in particle form is packed into a hollow mould. The mould is usually built from cast aluminium or sheet steel material. The coloring preferred for the finished goods 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 up to temperatures between 500-700F. The mold with the powdered polymer is then locked and positioned within the oven.

2. The heat and fusion process.
Once placed into the oven, the mold is rotated on two axis so the powdered polymer liquefies from the heat and overlays the inside if the mold. The turning is done slowly and gradually, about 20 revolutions per min. The main thing that is essential at this moment is the period of time the mold will spend inside the oven. If it overstays, the component will lose value and strength, making a faulty product. If it is removed from the oven prematurely, the polymer will not have flowed correctly, which creates bubbles in the completed item.

3. Mould cooling down.
When the material has sufficiently 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 a cool mist. When the product cools, it reduces a little for ease of extraction from the mold. This is yet another procedure that depends upon a lot on the right timing, since quick cooling shrinks the material too quick, causing bending of the material.

4. The unloading or de-molding step.
When the product inside te mould has cooled effectively, the person managing the process can then take out the completed product from the mould. The process is repeated from the start, making a number of similar items.

For more information on the different rotational molding options offered for the Glen Carbon IL 62034 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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