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

roto-molding-Minong-Rotational moulding refers to a plastic production solution that makes hollow stress-free items. The method relies on high temperatures and bi axial rotation to follow up with seamless, one piece objects that have many different shapes, sizes and colors. This method is also known as rotomolding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl forms.

The feature that makes this unique from other plastic manufacturing procedures that no pressure is called for. It also has few contenders when it involves the manufacture of large hollow products which are durable and inexpensive.There is a variety of items that are produced by this process including large size water tanks, automobile products, sophisticated designed medical items, recreation equipment, toys, kayaks, industrial equipment among many others.This is due to the versatility in terms of style and shapes that the process produces

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Minong WI 54859, 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 Molding-Minong-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 Minong 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 moulding process has been used since early times for creatingvseverl product lines. Egyptians for instance, worked with rotomoulding methods in the manufacturing of ceramics. The Swiss were also working with this rotation approach to make hollow chocolate eggs. Some plastic product lines in the USA were manufactured using this method some time between 1940 and 1950. The system has however taken long to take affect because it was considered as being a relatively slow process

1. Mould preparation.
A predetermined volume of polymer in grain form is loaded into a hollow mould. The mold is usually made from cast aluminium or sheet steel component. The colour desired for the final item 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 format of plastic engineering.

Preheating 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 mold with the powdered polymer is then sealed and installed within the oven.

2. The heating up and fusion phase.
Once inside the oven, the mould is rotated on two axis so the powdered polymer liquefies from the heat and overlays the inside if the mould. The spinning is done slowly, about 20 revolutions per sixty seconds. Something that is important at this moment is the amount of time the mould will spend within the oven. If it stays to long, the component will lose value and strength, producing a faulty item. If it is removed from the oven prematurely, the polymer will not have liquefied properly, which develops bubbles in the finalized product.

3. Mold cooling down.
When the product has sufficiently spent the enough of time in the oven, it is then taken out for cooling. This can be done by air or water, or sometimes a mixture of both which creates a cool mist. When the product cools, it reduces a little for ease of extraction from the mold. This is one more measure that depends a lot on the ideal timing, since rapid cooling decreases the material too quickly, causing bending of the material.

4. The un-loading or de-moulding step.
When the product within te mold has cooled successfully, the person taking care of the procedure can then remove the completed item from the mould. The procedure is repeated from the beginning, making a series of similar product lines.

For more information on the different rotational molding options offered for the Minong WI 54859 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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