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

rotational moulding-Campbellsport-Rotational molding refers to a plastic production procedure that generates hollow stress-free items. The procedure relies on high temperatures and bi axial rotation to come up with seamless, one piece products that have different forms, colors and sizes. This method is also referred to as rotomolding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The benefit that makes this different from other plastic manufacturing methods because no pressure is called for. It also has few rivals when it comes down to the creation of large size hollow items which are long-lasting and inexpensive.There is a wide variety of items that are generated by this process including large water tanks, automobile materials, sophisticated molded medical items, leisure equipment, toys, kayaks, industrialized equipment among many others.This is because of the versatility in terms of type and forms that the process develops

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Campbellsport WI 53010, 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 Molded-Campbellsport-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 Campbellsport 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 Components

This molding operation has been used since earlier times for creatingvseverl items. Egyptians for example, applied rotomoulding methods in the producing of ceramics. The Swiss were also applying this rotation design to make hollow chocolate eggs. Some plastic items in the USA were created utilizing this technique some time between 1940 and 1950. The system has however taken very long to take affect because it was thought of as being a relatively slow process

1. Mold prep work.
A predetermined amount of polymer in particle form is packed into a hollow mould. The mold is usually comprised of cast aluminium or sheet steel component. The colour wanted for the end goods 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 type 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 mould with the powdered polymer is then secured and placed into the oven.

2. The heating and fusion procedure.
Once within the oven, the mould is spun on two axis so the powdered polymer liquefies from the heat and overlays the inside if the mould. The turning is done slowly and gradually, about 20 rotations per min. Something that is vital at this point is the amount of time the mould will spend within the oven. If it stays to long, the product will lose stability and strength, creating a poor item. If it is taken out from the oven prematurely, the polymer will not have liquefied correctly, which produces bubbles in the finished product line.

3. Mould cooling down.
When the material has completely spent the enough of time in the oven, it is then taken out for cooling. This may be done by air or water, or sometimes a mixture of both which creates a cool mist. When the component cools, it reduces slightly for ease of extraction from the mold. This is one more step that depends upon a lot on the correct timing, since rapid cooling shrinks the material too quick, causing bending of the material.

4. The unloading or de-moulding phase.
Once the material inside te mould has cooled correctly, the person taking care of the procedure can then remove the finished item from the mould. The process is repeated from the start, providing a series of exact product lines.

For more information on the different rotational molding options offered for the Campbellsport WI 53010 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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