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

rotomoulding-Silt-Rotational molding refers to a plastic manufacturing procedure that produces hollow stress-free products. The method relies upon high temperatures and bi axial rotation to come up with seamless, one piece items that have various designs, colors and sizes. This procedure is also referred to as rotomolding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl styles.

The component that makes this unique from other plastic manufacturing processes that no pressure is required. It also has few contenders when it pertains to the production of sizable hollow products which are resilient and inexpensive.There is a variety of products that are produced by this process including big water tanks, automobile products, sophisticated shaped medical products, leisure equipment, toys, kayaks, industrialized equipment among many others.This is due to the versatility in terms of design 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 Silt CO 81652, 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 Molded-Silt-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 Colorado 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 Silt Colorado 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 Process in Detail

This moulding technique has been used since ancient times for creatingvseverl items. Egyptians for example, worked with rotocasting solutions in the manufacturing of ceramics. The Swiss were also making use of this rotation design to make hollow chocolate eggs. Some plastic products in the USA were created utilizing this approach some time between 1940 and 1950. Due to the fact that it was looked at to be a very slow-moving system, the method has however taken long to catch on

1. Mold fitting.
A predetermined amount of polymer in powder form is loaded into a hollow mould. The mold is usually comprised of cast aluminium or sheet steel material. The coloring needed for the finished goods 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 style of plastic manufacturing.

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 mould with the powdered polymer is then secured and installed inside the oven.

2. The heating and fusion process.
Once within the oven, the mould is rotated on two axis so the powdered polymer liquefies from the heat and coats the inside if the mould. The turning is done slowly and gradually, about 20 revolutions per minute. One thing that is important at this moment is the period of time the mould will spend within the oven. If it stays to long, the product will lose stability and strength, creating a faulty item. If it is extracted from the oven prematurely, the polymer will not have flowed properly, which creates bubbles in the completed product.

3. Mold cooling down.
When the material has completely spent the correct 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 mould. This is another step that depends upon a lot on the correct timing, since quick cooling shrinks the material too fast, causing bending of the material.

4. The removing or de-moulding phase.
When the material inside te mold has cooled effectively, the molder handling the process can then extract the finished item from the mold. The procedure is repeated from the beginning, making a series of similar items.

For more information on the different rotational rotomolding options offered for the Silt CO 81652 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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