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

rotational molding-Potter-Rotational moulding refers to a plastic manufacturing practice that produces hollow stress-free items. The procedure depends on high temperatures and bi axial rotation to follow up with seamless, one piece items that have various 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 techniques that no pressure is called for. It also has few rivals when it comes down to the production of large size hollow items which are resilient and inexpensive.There is a wide range of products that are produced by this process including large water tanks, automobile items, complex shaped medical products, recreation equipment, toys, kayaks, commercial equipment among many others.This is due to the flexibility in regards to style and forms that the process produces

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Potter WI 54160, 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 Molding-Potter-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 Potter 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 Process Components

This molding procedure has been used since early times for creatingvseverl products. Egyptians for instance, utilized rotomoulding solutions in the of ceramics. The Swiss were also employing this rotation type to generate hollow chocolate eggs. Some plastic products in the USA were created using this method some time between 1940 and 1950. Considering that it was thought of to be a rather slow-moving method, the procedure has however taken long to catch on

1. Mold readying.
A fixed volume of polymer in particle form is loaded into a hollow mould. The mold is usually composeded of cast aluminium or sheet steel component. The coloration wanted for the finished item is pre compounded into the polymer. The most commonly used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this style of plastic engineering.

Pre-heating of the oven follows, and it can be done by either conduction, convection or sometimes radiation. It is warmed to temperatures between 500-700F. The mould with the powdered polymer is then secured and installed within the oven.

2. The heating and fusion phase.
Once within the oven, the mould is turned on two axis so the powdered polymer melts from the heat and overlays the inside if the mold. The spinning is done gradually, about 20 rotations per sixty seconds. Something that is essential at this moment is the period of time the mold will spend within the oven. If it overstays, the product will lose value and durability, making a faulty item. If it is taken out from the oven too early, the polymer will not have flowed correctly, which generates bubbles in the finalized product line.

3. Mold cooling.
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 a cool mist. When the material cools, it shrinks a little for ease of extraction from the mould. This is one more measure that depends upon a lot on the ideal timing, since quick cooling decreases the material too quickly, causing bending of the material.

4. The discharging or de-molding step.
As soon as the component within te mold has cooled properly, the person handling the procedure can then remove the finalized product from the mould. The technique is repeated from the start, giving a series of similar items.

For more information on the different rotational molding options offered for the Potter WI 54160 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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