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

roto-molding-Tigerton-Rotational molding pertains to a plastic production procedure that creates hollow stress-free products. The technique utilizes high temperatures and bi axial rotation to follow up with seamless, one piece objects that have varying designs, sizes and colors. This method is also called rotomolding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl types.

The benefit that makes this unique from other plastic manufacturing methods in that no pressure is needed. It also has few contenders when it pertains to the creation of large hollow items which are durable and inexpensive.There is a wide range of product lines that are created by this process including large water tanks, automobile materials, complex molded medical products, leisure equipment, toys, kayaks, commercial equipment among many others.This is due to the versatility in terms of design 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 Tigerton WI 54486, 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 rotomoulding 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-Tigerton-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 Tigerton 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 Method Components

This moulding system has been used since earlier times for creatingvseverl product lines. Egyptians for example, applied rotomoulding solutions in the making of ceramics. The Swiss were also using this rotation style to generate hollow chocolate eggs. Some plastic items in the USA were manufactured using this method some time between 1940 and 1950. Since it was thought of to be a rather slow process, the system has however taken long to become popular

1. Mould readying.
A predetermined quantity of polymer in particle form is filled into a hollow mould. The mould is usually made of cast aluminium or sheet steel material. The color tone intended for the end product 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 manufacturing.

Pre-heating of the oven starts, and it can be done by either conduction, convection or sometimes radiation. It is warmed to temperatures between 500-700F. The mold with the powdered polymer is then locked and put inside the oven.

2. The heat and fusion process.
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 mold. The spinning is done gradually, about 20 spins per min. Something that is essential at this moment is the period of time the mould will spend inside the oven. If it stays to long, the material will lose stability and durability, creating a faulty product. If it is extracted from the oven prematurely, the polymer will not have flowed properly, which generates bubbles in the finalized item.

3. Mold cooling.
When the product has sufficiently spent the correct amount of time in the oven, it is then extracted for cooling. This can be done by air or water, or sometimes a mixture of both which a cool mist. When the product cools, it reduces somewhat for ease of extraction from the mold. This is yet another step that depends upon a lot on the right timing, since rapid cooling reduces the material too rapidly, causing warping of the product.

4. The discharging or de-molding step.
Once the product within te mould has cooled correctly, the molder taking care of the operation can then remove the completed product from the mold. The process is repeated from the start, giving a series of identical items.

For more information on the different rotational molding options offered for the Tigerton WI 54486 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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