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

rotomolding-Iron Mountain-Rotational molding refers to a plastic manufacturing solution that creates hollow stress-free product lines. The procedure utilizes high temperatures and bi axial rotation to come up with seamless, one piece items that have many different designs, sizes and colors. This method is also known as rotomolding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl types.

The function that makes this different from other plastic manufacturing methods because no pressure is called for. It also has few contenders when it comes down to the production of sizable hollow products which are long lasting and inexpensive.There is a variety of products that are created by this process including big water tanks, automobile products, sophisticated shaped medical products, leisure equipment, toys, kayaks, industrial equipment among many others.This is due to the versatility in terms of type and shapes that the process produces

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Iron Mountain MI 49801, 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

Custom Molding-Iron Mountain-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 Michigan 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 Iron Mountain Michigan 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 Components

This moulding method has been used since ancient times for creatingvseverl product lines. Egyptians for example, worked with rotocasting techniques in the creating of ceramics. The Swiss were also employing this rotation format to make hollow chocolate eggs. Some plastic product lines in the USA were made using this procedure some time between 1940 and 1950. Due to the fact that it was considered to be a fairly slow technique, the system has however taken long to become popular

1. Mold fitting.
A fixed amount of polymer in grain form is packed into a hollow mold. The mold is usually made of cast aluminium or sheet steel substance. The color tone chosen 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 to temperatures between 500-700F. The mold with the powdered polymer is then locked and installed within the oven.

2. The heating up and fusion process.
Once placed into the oven, the mould is rotated on two axis so the powdered polymer melts from the heat and coats the inside if the mold. The spinning is done slowly, about 20 spins per minute. One thing that is critical at this moment is the amount of time the mold will spend inside the oven. If it overstays, the component will lose value and durability, creating a weak item. If it is removed from the oven too early, the polymer will not have flowed properly, which generates bubbles in the finalized item.

3. Mould cooling.
When the product has completely spent the enough of time in the oven, it is then taken out for cooling. This can be done by air or water, or sometimes a mixture of both which a cool mist. When the component cools, it reduces somewhat for ease of extraction from the mold. This is one more procedure that depends a lot on the ideal timing, since quick cooling reduces the material too fast, causing bending of the item.

4. The offloading or de-moulding phase.
When the product within te mold has cooled successfully, the molder taking care of the process can then take out the finalized product from the mold. The process is repeated from the beginning, giving a series of similar product lines.

For more information on the different rotational molding options offered for the Iron Mountain MI 49801, please call our toll free number  866-971-7861 or fill out the form on the right for a consultation!

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