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

rotomolding-Plover-Rotational moulding refers to a plastic production solution that generates hollow stress-free products. The function depends on high temperatures and bi axial rotation to follow up with seamless, one piece objects that have a variety of shapes, colors and sizes. This method is also known as rotomolding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl forms.

The component that makes this different from other plastic manufacturing procedures because no pressure is needed. It also has few rivals when it comes down to the manufacture of large size hollow products which are long-lasting and inexpensive.There is a wide variety of product lines that are created by this process including large size water tanks, automobile items, sophisticated shaped medical items, recreation equipment, toys, kayaks, commercial equipment among many others.This is due to the flexibility in regards to type and shapes that the process manufactures

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Plover WI 54467, 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

Plastic Products-Plover-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 Plover 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 Rotomoulding Method Components

This molding method has been used since ancient times for creatingvseverl products. Egyptians for example, worked with rotomoulding solutions in the producing of ceramics. The Swiss were also utilizing this rotation method to create hollow chocolate eggs. Some plastic product lines in the USA were developed utilizing this approach some time between 1940 and 1950. Considering that it was viewed to be a somewhat slow process, the system has however taken long to catch on

1. Mold preparation.
A predetermined measure of polymer in grain form is packed into a hollow mold. The mold is usually composeded of cast aluminium or sheet steel substance. The coloration desired for the finished goods 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 production.

Pre-heating of the oven follows, and it can 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 installed into the oven.

2. The heating and fusion procedure.
Once inside the oven, the mold is spun on two axis so the powdered polymer melts from the heat and overlays the inside if the mold. The spinning is done slowly and gradually, about 20 spins per min. The main thing that is vital at this moment is the period of time the mold will spend inside the oven. If it overstays, the product will lose value and strength, making a weak item. If it is taken out from the oven prematurely, the polymer will not have flowed correctly, which generates bubbles in the finalized item.

3. Mould cooling.
When the material has sufficiently spent the correct amount of time in the oven, it is then extracted for cooling. This may be done by air or water, or sometimes a mixture of both which a cool mist. When the product cools, it shrinks slightly for ease of extraction from the mould. This is another step that relies a lot on the ideal timing, since quick cooling decreases the material too quick, causing bending of the item.

4. The offloading or de-molding phase.
Once the material inside te mould has cooled adequately, the molder taking care of the operation can then extract the completed product from the mold. The procedure is repeated from the start, giving a number of similar items.

For more information on the different rotational molding options offered for the Plover WI 54467 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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