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

rotomoulding-Deerfield-Rotational moulding refers to a plastic production practice that produces hollow stress-free items. The procedure relies upon high temperatures and bi axial rotation to follow up with seamless, one piece items that have several forms, sizes and colors. This method is also referred to as roto-molding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl forms.

The benefit that makes this unique from other plastic manufacturing methods because no pressure is needed. It also has few competitors when it comes down to the creation of sizable hollow products which are resilient and inexpensive.There is a wide range of product lines that are generated by this process including large size water tanks, automobile materials, intricate designed medical products, recreation equipment, toys, kayaks, commercial equipment among many others.This is due to the versatility in regards to style and shapes that the process creates

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Deerfield WI 53531, 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

Plastic Manufacturing-Deerfield-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 Deerfield 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 Rotomolding Procedure Components

This molding technique has been used since early times for creatingvseverl items. Egyptians for instance, worked with roto-molding procedures in the manufacturing of ceramics. The Swiss were also employing this rotation format to create hollow chocolate eggs. Some plastic products in the USA were created utilizing this technique some time between 1940 and 1950. Due to the fact that it was regarded to be a very slow-moving procedure, the system has however taken long to become popular

1. Mold readying.
A predetermined measure of polymer in grain form is loaded into a hollow mould. The mould is usually comprised of cast aluminium or sheet steel material. The color tone wanted 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 format of plastic assembly.

Preheating of the oven starts, and it may be done by either conduction, convection or sometimes radiation. It is heated to temperatures between 500-700F. The mould with the powdered polymer is then locked and positioned inside the oven.

2. The heat and fusion step.
Once placed into the oven, the mould is revolved 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. Something that is important at this moment is the period of time the mold will spend inside the oven. If it stays to long, the component will lose value and strength, generating a poor item. If it is taken out from the oven prematurely, the polymer will not have liquefied properly, which generates bubbles in the finished item.

3. Mold cooling down.
When the product has completely spent the enough 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 shrinks a little for ease of extraction from the mould. This is another procedure that depends a lot on the ideal timing, since rapid cooling reduces the material too rapidly, causing warping of the material.

4. The removing or de-moulding phase.
Once the component within te mould has cooled successfully, the molder taking care of the operation can then remove the finalized item from the mould. The function is repeated from the start, making a series of exact product lines.

For more information on the different rotational molding options offered for the Deerfield WI 53531 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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