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

rotomolding-Goodman-Rotational moulding pertains to a plastic manufacturing method that produces hollow stress-free products. The function relies upon high temperatures and bi axial rotation to follow up with seamless, one piece objects that have various forms, sizes and colors. This technique is also called roto-molding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The feature that makes this unique from other plastic manufacturing processes in that no pressure is called for. It also has few rivals when it comes down to the manufacture of large size hollow items which are resilient and inexpensive.There is a variety of products that are developed by this process including big water tanks, automobile materials, intricate molded medical items, leisure equipment, toys, canoes, industrialized equipment among many others.This is because of the versatility in terms of 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 Goodman WI 54125, 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 Molded-Goodman-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 Goodman 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 Procedure Components

This molding procedure has been used since earlier times for creatingvseverl items. Egyptians for example, utilized rotational molding methods in the creating of ceramics. The Swiss were also utilizing this rotation style to generate hollow chocolate eggs. Some plastic products in the USA were manufactured utilizing this method some time between 1940 and 1950. The process has however taken very long to catch on because it was considered to be a somewhat slow process

1. Mould prep work.
A predetermined measure of polymer in particle form is loaded into a hollow mould. The mold is usually built from cast aluminium or sheet steel material. The color tone intended 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 style of plastic production.

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 mold with the powdered polymer is then sealed and placed into the oven.

2. The heat and fusion procedure.
Once placed into the oven, the mould is rotated on two axis so the powdered polymer melts from the heat and layers the inside if the mold. The turning is done gradually, about 20 rotations per min. The main thing that is vital at this point is the amount of time the mold will spend inside the oven. If it overstays, the product will lose stability and durability, producing a faulty product. If it is taken out from the oven prematurely, the polymer will not have melted correctly, which produces bubbles in the finished product line.

3. Mold cooling down.
When the material has sufficiently 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 creates a cool mist. When the material cools, it shrinks slightly for ease of extraction from the mould. This is another measure that depends upon a lot on the right timing, since rapid cooling shrinks the material too quick, causing warping of the product.

4. The discharging or de-molding phase.
Once the product inside te mould has cooled effectively, the molder taking care of the procedure can then extract the completed item from the mould. The process is repeated from the start, giving a series of similar product lines.

For more information on the different rotational molding options offered for the Goodman WI 54125 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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