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

rotational molding-Cazenovia-Rotational moulding pertains to a plastic production solution that produces hollow stress-free items. The process relies upon high temperatures and bi axial rotation to come up with seamless, one piece items that have several designs, colors and sizes. This technique is also called roto-molding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl forms.

The feature that makes this different from other plastic manufacturing procedures that no pressure is needed. It also has few competitors when it involves the creation of sizable hollow products which are durable and inexpensive.There is a variety of product lines that are developed by this process including large water tanks, automobile materials, complex designed medical products, leisure equipment, toys, canoes, industrialized equipment among many others.This is due to the versatility in regards to type and forms that the process creates

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Cazenovia WI 53924, 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-Cazenovia-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 Cazenovia 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 molding operation has been used since early times for creatingvseverl items. Egyptians for instance, applied rotomoulding systems in the producing of ceramics. The Swiss were also employing this rotation design to make hollow chocolate eggs. Some plastic products in the USA were developed using this approach some time between 1940 and 1950. Given that it was regarded to be a somewhat slow-moving procedure, the system has however taken long to catch on

1. Mould readying.
A predetermined amount of polymer in particle form is filled into a hollow mould. The mould is usually constructed from cast aluminium or sheet steel component. The colour chosen for the end 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 production.

Preheating 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 secured and positioned into the oven.

2. The heating and fusion procedure.
Once placed into the oven, the mold is turned on two axis so the powdered polymer liquefies from the heat and coats the inside if the mold. The turning is done slowly and gradually, about 20 revolutions per min. One thing that is vital at this moment is the amount of time the mould will spend within the oven. If it stays to long, the component will lose stability and strength, generating a poor product. If it is extracted from the oven too early, the polymer will not have liquefied correctly, which generates bubbles in the finished item.

3. Mold cooling down.
When the material has sufficiently spent the right amount 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 material cools, it reduces a little for ease of extraction from the mould. This is another measure that depends a lot on the correct timing, since rapid cooling decreases the material too quick, causing bending of the product.

4. The offloading or de-moulding step.
When the material inside te mould has cooled adequately, the molder handling the operation can then extract the completed product from the mould. The function is repeated from the start, making a series of identical product lines.

For more information on the different rotational molding options offered for the Cazenovia WI 53924 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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