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

rotational molding-Clifford-Rotational molding pertains to a plastic manufacturing procedure that creates hollow stress-free product lines. The procedure relies on high temperatures and bi axial rotation to come up with seamless, one piece objects that have many different designs, sizes and colors. This technique is also called rotomoulding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The feature that makes this unique from other plastic manufacturing methods that no pressure is called for. It also has few contenders when it comes to the creation of large hollow products which are durable and inexpensive.There is a wide variety of items that are developed by this process including big water tanks, automobile items, complex designed medical products, recreation equipment, toys, kayaks, industrialized equipment among many others.This is because of the versatility in regards to type and shapes that the process develops

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Clifford MI 48727, 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 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-Clifford-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 Clifford 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 in Detail

This molding operation has been used since ancient times for creatingvseverl products. Egyptians for example, applied rotomoulding systems in the manufacturing of ceramics. The Swiss were also applying this rotation style to generate hollow chocolate eggs. Some plastic products in the USA were developed utilizing this method some time between 1940 and 1950. Due to the fact that it was considered to be a rather slow-moving procedure, the approach has however taken long to become popular

1. Mould prep work.
A predetermined quantity of polymer in grain form is packed into a hollow mold. The mould is usually comprised of cast aluminium or sheet steel material. The colour needed for the final 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 engineering.

Preheating of the oven follows, 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 placed within the oven.

2. The heating and fusion step.
Once within the oven, the mould is turned on two axis so the powdered polymer liquefies from the heat and overlays the inside if the mould. The rotation is done slowly and gradually, about 20 spins per sixty seconds. The main thing that is vital at this moment is the amount of time the mold will spend within the oven. If it overstays, the product will lose value and durability, making a poor product. If it is removed from the oven too early, the polymer will not have liquefied correctly, which develops bubbles in the finalized product.

3. Mould cooling.
When the component has completely 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 creates a cool mist. When the material cools, it reduces a little for ease of extraction from the mold. This is another procedure that relies a lot on the correct timing, since rapid cooling reduces the material too quick, causing bending of the product.

4. The removing or de-moulding step.
Once the material within te mold has cooled properly, the molder taking care of the process can then take out the finished product from the mould. The procedure is repeated from the start, providing a series of identical items.

For more information on the different rotational molding options offered for the Clifford MI 48727, please call our toll free number  866-971-7861 or fill out the form on the right for a consultation!

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