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

rotomoulding-Delton-Rotational moulding refers to a plastic production method that creates hollow stress-free items. The technique uses high temperatures and bi axial rotation to follow up with seamless, one piece objects that have many different designs, sizes and colors. This technique is also known as rotomoulding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl forms.

The attribute that makes this unique from other plastic manufacturing techniques because no pressure is called for. It also has few contenders when it involves the production of large size hollow products which are resilient and inexpensive.There is a wide variety of products that are generated by this process including large water tanks, automobile items, intricate designed medical products, recreation equipment, toys, canoes, industrialized equipment among many others.This is due to the flexibility in terms of style and shapes that the process manufactures

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Delton MI 49046, 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

Plastic Products-Delton-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 Michigan 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 Delton Michigan 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 technique has been used since early times for creatingvseverl product lines. Egyptians as an example, worked with rotational molding procedures in the making of ceramics. The Swiss were also applying this rotation method to make hollow chocolate eggs. Some plastic product lines in the USA were developed utilizing this procedure some time between 1940 and 1950. The system has however taken very long to catch on because it was looked at as being a very slow-moving process

1. Mould preparation.
A fixed measure of polymer in powder form is filled into a hollow mold. The mould is usually built from cast aluminium or sheet steel component. The colour desired for the final product 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 production.

Pre-heating of the oven starts, and it may 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 into the oven.

2. The heating and fusion step.
Once within the oven, the mould is turned on two axis so the powdered polymer melts from the heat and layers the inside if the mould. The spinning is done gradually, about 20 revolutions per minute. One thing that is vital at this moment is the amount of time the mould will spend within the oven. If it overstays, the component will lose stability and durability, producing a poor product. If it is removed from the oven too early, the polymer will not have melted correctly, which creates bubbles in the finalized product.

3. Mold cooling.
When the material has completely 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 component cools, it shrinks slightly for ease of removal from the mold. This is an additional measure that depends a lot on the right timing, since rapid cooling reduces the material too quick, causing bending of the item.

4. The un-loading or de-moulding phase.
Once the component within te mould has cooled successfully, the person taking care of the procedure can then extract the completed product from the mold. The technique is repeated from the beginning, giving a number of identical product lines.

For more information on the different rotational molding options offered for the Delton MI 49046, please call our toll free number  866-971-7861 or fill out the form on the right for a consultation!

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