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

rotomoulding-Combined Locks-Rotational molding refers to a plastic production procedure that makes hollow stress-free products. The function uses high temperatures and bi axial rotation to come up with seamless, one piece products that have a variety of shapes, colors and sizes. This method is also referred to as roto-molding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl types.

The feature that makes this unique from other plastic manufacturing techniques that no pressure is involved. It also has few competitors when it involves the creation of large hollow products which are long lasting and inexpensive.There is a variety of products that are developed by this process including large size water tanks, automobile items, sophisticated designed medical items, leisure equipment, toys, canoes, commercial equipment among many others.This is due to the flexibility in regards to style and shapes that the process creates

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Combined Locks WI 54113, 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 rotomolding 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 Manufacturing-Combined Locks-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 Combined Locks 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 Method in Detail

This moulding process has been used since early times for creatingvseverl products. Egyptians for example, used rotomoulding methods in the manufacturing of ceramics. The Swiss were also employing this rotation type to generate hollow chocolate eggs. Some plastic products in the USA were created utilizing this technique some time between 1940 and 1950. Given that it was regarded to be a rather slow-moving procedure, the technique has however taken long to catch on

1. Mold fitting.
A predetermined measure of polymer in powder form is packed into a hollow mold. The mould is usually crafted from cast aluminium or sheet steel substance. The colour preferred for the finished product 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 assembly.

Preheating of the oven starts, 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 inserted within the oven.

2. The heat and fusion process.
Once inside the oven, the mold is revolved on two axis so the powdered polymer melts from the heat and coats the inside if the mould. The spinning is done slowly, about 20 spins per min. Something that is critical at this point is the period of time the mould will spend inside the oven. If it stays to long, the product will lose stability and durability, making a faulty product. If it is taken out from the oven prematurely, the polymer will not have flowed correctly, which produces bubbles in the completed product.

3. Mould cooling down.
When the product has sufficiently spent the enough 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 reduces slightly for ease of extraction from the mold. This is one more procedure that depends upon a lot on the ideal timing, since quick cooling decreases the material too rapidly, causing warping of the material.

4. The discharging or de-moulding phase.
When the component inside te mold has cooled effectively, the person taking care of the procedure can then take out the completed item from the mold. The technique is repeated from the start, giving a number of exact items.

For more information on the different rotational molding options offered for the Combined Locks WI 54113 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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