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

rotomoulding-Manitowish Waters-Rotational molding refers to a plastic manufacturing solution that creates hollow stress-free items. The procedure relies on high temperatures and bi axial rotation to follow up with seamless, one piece objects that have varying forms, sizes and colors. This technique is also known as rotomoulding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl types.

The feature that makes this different from other plastic manufacturing techniques because no pressure is called for. It also has few contenders when it involves the production of large hollow items which are durable and inexpensive.There is a variety of items that are developed by this process including large water tanks, automobile materials, sophisticated designed medical items, leisure equipment, toys, kayaks, commercial equipment among many others.This is because of the flexibility in terms of design 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 Manitowish Waters WI 54545, 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 moulding 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-Manitowish Waters-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 ManitoWisconsinsh Waters 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 Procedure in Detail

This moulding operation has been used since early times for creatingvseverl products. Egyptians for example, applied rotational molding procedures in the manufacturing of ceramics. The Swiss were also using this rotation design to generate hollow chocolate eggs. Some plastic product lines in the USA were created using this approach some time between 1940 and 1950. Considering that it was thought of to be a somewhat slow-moving technique, the technique has however taken long to become popular

1. Mould readying.
A fixed volume of polymer in grain form is packed into a hollow mould. The mould is usually constructed from cast aluminium or sheet steel substance. The colour chosen for the end item 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 format of plastic engineering.

Preheating of the oven starts, 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 placed into the oven.

2. The heating up and fusion phase.
Once within the oven, the mould is spun on two axis so the powdered polymer melts from the heat and layers the inside if the mould. The rotation is done gradually, about 20 revolutions per sixty seconds. The main thing that is important at this moment is the amount of time the mold will spend inside the oven. If it stays to long, the product will lose value and strength, making a weak product. If it is extracted from the oven too early, the polymer will not have liquefied correctly, which generates bubbles in the completed item.

3. Mold cooling.
When the material has sufficiently spent the right amount 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 product cools, it shrinks somewhat for ease of extraction from the mold. 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 un-loading or de-molding phase.
As soon as the material within te mould has cooled properly, the molder taking care of the procedure can then take out the finalized item from the mould. The technique is repeated from the beginning, giving a number of exact product lines.

For more information on the different rotational molding options offered for the Manitowish Waters WI 54545 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 plastic products

Local Resources

Production Example
Google Map