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

rotomoulding-Fall River-Rotational moulding pertains to a plastic manufacturing method that makes hollow stress-free products. The technique depends on high temperatures and bi axial rotation to come up with seamless, one piece objects that have different designs, sizes and colors. This procedure is also called roto-molding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl forms.

The feature that makes this different from other plastic manufacturing procedures because no pressure is called for. It also has few rivals when it comes down to the manufacture of sizable hollow items which are resilient and inexpensive.There is a wide range of items that are produced by this process including large size water tanks, automobile materials, sophisticated designed medical items, leisure equipment, toys, kayaks, industrialized equipment among many others.This is due to the versatility in regards to design and forms that the process makes

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Fall River WI 53932, 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 rotocasting 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-Fall River-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 Fall River 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 Roto-Molding Process Components

This moulding system has been used since early times for creatingvseverl products. Egyptians as an example, used rotomoulding techniques in the manufacturing of ceramics. The Swiss were also applying this rotation format to create hollow chocolate eggs. Some plastic product lines in the USA were manufactured utilizing this approach some time between 1940 and 1950. The process has however taken very long to take affect because it was thought of as being a somewhat slow process

1. Mold preparation.
A fixed measure of polymer in grain form is packed into a hollow mould. The mould is usually composeded of cast aluminium or sheet steel component. The coloration desired for the final product is pre compounded into the polymer. The most typically used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this style of plastic assembly.

Pre-heating of the oven starts, and it may 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 locked and inserted inside the oven.

2. The heating up and fusion step.
Once placed into the oven, the mold is rotated on two axis so the powdered polymer liquefies from the heat and overlays the inside if the mould. The rotation is done gradually, about 20 rotations per sixty seconds. The main thing that is essential at this point is the amount of time the mold will spend within the oven. If it stays to long, the component will lose stability and strength, creating a poor item. If it is removed from the oven too early, the polymer will not have flowed properly, which generates bubbles in the finished product line.

3. Mold cooling down.
When the material has sufficiently spent the enough of time in the oven, it is then removed for cooling. This may be done by air or water, or sometimes a mixture of both which creates a cool mist. When the product cools, it shrinks somewhat for ease of removal from the mold. This is another step that relies a lot on the ideal timing, since rapid cooling shrinks the material too quickly, causing bending of the item.

4. The discharging or de-molding step.
When the material inside te mould has cooled adequately, the molder taking care of the procedure can then remove the completed product from the mold. The process is repeated from the beginning, making a number of identical products.

For more information on the different rotational molding options offered for the Fall River WI 53932 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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