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

rotomoulding-Brussels-Rotational molding refers to a plastic manufacturing procedure that makes hollow stress-free product lines. The procedure depends on high temperatures and bi axial rotation to come up with seamless, one piece objects that have many different shapes, colors and sizes. This technique is also referred to as roto-molding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The attribute that makes this different from other plastic manufacturing techniques because no pressure is called for. It also has few contenders when it pertains to the manufacture of large hollow products which are durable and inexpensive.There is a wide range of items that are created by this process including large water tanks, automobile items, sophisticated designed medical products, leisure equipment, toys, kayaks, commercial equipment among many others.This is due to the versatility in regards to type and forms that the process manufactures

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Brussels WI 54204, 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-Brussels-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 Wisconsin 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 Brussels Wisconsin 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 Method in Detail

This moulding system has been used since early times for creatingvseverl product lines. Egyptians for instance, worked with rotational molding methods in the producing of ceramics. The Swiss were also using this rotation type to make hollow chocolate eggs. Some plastic products in the USA were made using this approach some time between 1940 and 1950. The process has however taken very long to take affect because it was looked at to be a moderately slow process

1. Mould readying.
A fixed volume of polymer in grain form is packed into a hollow mold. The mould is usually built from cast aluminium or sheet steel material. The color tone desired for the final 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 type of plastic manufacturing.

Preheating 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 secured and inserted into the oven.

2. The heat and fusion procedure.
Once inside the oven, the mold is rotated on two axis so the powdered polymer melts from the heat and coats the inside if the mold. The rotation is done gradually, about 20 rotations per sixty seconds. The main thing that is critical at this moment is the period of time the mold will spend inside the oven. If it overstays, the product will lose stability and strength, making a weak product. If it is removed from the oven prematurely, the polymer will not have liquefied correctly, which produces bubbles in the finalized item.

3. Mould cooling down.
When the component has completely spent the enough of time in the oven, it is then removed for cooling. This can be done by air or water, or sometimes a mixture of both which generates a cool mist. When the component cools, it reduces slightly for ease of extraction from the mould. This is yet another measure that relies a lot on the right timing, since quick cooling shrinks the material too rapidly, causing warping of the material.

4. The unloading or de-molding phase.
When the product inside te mold has cooled adequately, the person handling the procedure can then remove the finished product from the mould. The process is repeated from the start, supplying a series of exact product lines.

For more information on the different rotational molding options offered for the Brussels WI 54204 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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