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

rotomoulding-Clinton-Rotational molding refers to a plastic manufacturing technique that creates hollow stress-free product lines. The method depends on high temperatures and bi axial rotation to come up with seamless, one piece items that have a variety of shapes, sizes and colors. This procedure is also known as rotomolding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl types.

The attribute that makes this different from other plastic manufacturing methods because no pressure is needed. It also has few rivals when it comes to the production of large size hollow items which are long lasting and inexpensive.There is a wide range of products that are developed by this process including large size water tanks, automobile products, complex molded medical items, leisure equipment, toys, kayaks, industrial equipment among many others.This is due to the versatility in terms of 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 Clinton WI 53525, 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-Clinton-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 Clinton 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 in Detail

This molding technique has been used since ancient times for creatingvseverl products. Egyptians as an example, utilized rotational molding techniques in the manufacturing of ceramics. The Swiss were also making use of this rotation style to generate hollow chocolate eggs. Some plastic product lines 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 become popular

1. Mould preparation.
A fixed quantity of polymer in powder form is packed into a hollow mold. The mould is usually made from cast aluminium or sheet steel material. The color tone preferred 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 format of plastic engineering.

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

2. The heating and fusion phase.
Once placed into the oven, the mold is revolved on two axis so the powdered polymer liquefies from the heat and layers the inside if the mould. The spinning is done slowly, about 20 rotations per min. One thing that is crucial at this point is the period of time the mold will spend within the oven. If it stays to long, the product will lose stability and durability, producing a poor product. If it is extracted from the oven prematurely, the polymer will not have liquefied correctly, which creates bubbles in the finalized product.

3. Mold cooling.
When the component has sufficiently spent the right 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 component cools, it shrinks somewhat for ease of extraction from the mold. This is yet another measure that depends upon a lot on the right timing, since quick cooling decreases the material too quick, causing warping of the material.

4. The removing or de-molding phase.
When the material inside te mould has cooled correctly, the person managing the procedure can then extract the finished item from the mould. The function is repeated from the start, supplying a series of exact items.

For more information on the different rotational molding options offered for the Clinton WI 53525 area, please call our toll free number  866-971-7861 or fill out the form on the right for a consultation!

Other areas we service, go here to custom molding

Local Resources

Production Example
Google Map