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

rotational moulding-Camp Douglas-Rotational moulding pertains to a plastic manufacturing solution that makes hollow stress-free items. The process relies on high temperatures and bi axial rotation to come up with seamless, one piece items that have various shapes, colors and sizes. This procedure is also called rotomoulding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl forms.

The feature that makes this different from other plastic manufacturing methods that no pressure is required. It also has few competitors when it comes to the creation of large hollow products which are long lasting and inexpensive.There is a wide variety of product lines that are developed by this process including large water tanks, automobile products, complex designed medical items, leisure equipment, toys, kayaks, industrial equipment among many others.This is due to the versatility in terms of 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 Camp Douglas WI 54618, 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 Products-Camp Douglas-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 Camp Douglas 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 Procedure Components

This moulding method has been used since ancient times for creatingvseverl items. Egyptians for example, worked with roto-molding techniques in the producing of ceramics. The Swiss were also making use of this rotation style to make hollow chocolate eggs. Some plastic product lines in the USA were made utilizing this procedure some time between 1940 and 1950. Given that it was regarded to be a fairly slow technique, the procedure has however taken long to catch on

1. Mold fitting.
A fixed volume of polymer in grain form is loaded into a hollow mold. The mold is usually built from cast aluminium or sheet steel component. The coloring intended for the finished product is pre compounded into the polymer. The most often used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this design of plastic production.

Pre-heating 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 placed inside the oven.

2. The heating and fusion step.
Once placed into the oven, the mould is revolved on two axis so the powdered polymer liquefies from the heat and overlays the inside if the mold. The turning is done gradually, about 20 spins per minute. Something that is critical at this moment is the amount of time the mold will spend inside the oven. If it stays to long, the component will lose value and strength, creating a weak product. If it is extracted from the oven too early, the polymer will not have liquefied properly, which creates bubbles in the completed 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 can be done by air or water, or sometimes a mixture of both which creates a cool mist. When the product cools, it shrinks slightly for ease of extraction from the mold. This is an additional measure that depends a lot on the right timing, since quick cooling shrinks the material too rapidly, causing warping of the material.

4. The unloading or de-molding phase.
As soon as the component within te mould has cooled adequately, the molder handling the procedure can then remove the finalized product from the mold. The function is repeated from the start, making a number of identical product lines.

For more information on the different rotational molding options offered for the Camp Douglas WI 54618 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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