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

rotomolding-Burton-Rotational molding pertains to a plastic production method that generates hollow stress-free product lines. The process uses high temperatures and bi axial rotation to come up with seamless, one piece products that have different shapes, colors and sizes. This technique is also called rotomolding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl forms.

The function that makes this unique from other plastic manufacturing techniques in that no pressure is called for. It also has few competitors when it involves the production of sizable hollow products which are long lasting and inexpensive.There is a variety of items that are created by this process including big water tanks, automobile products, sophisticated molded medical items, recreation equipment, toys, canoes, industrial equipment among many others.This is due to the versatility in terms of design 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 Burton MI 48509, 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 rotational moulding 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-Burton-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 Burton 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 Rotomoulding Procedure Components

This molding method has been used since ancient times for creatingvseverl products. Egyptians for example, used rotational molding systems in the making of ceramics. The Swiss were also applying this rotation style to create hollow chocolate eggs. Some plastic products in the USA were made using this technique some time between 1940 and 1950. Given that it was thought of to be a basically slow procedure, the procedure has however taken long to catch on

1. Mold readying.
A fixed measure of polymer in powder form is filled into a hollow mold. The mold is usually built from cast aluminium or sheet steel substance. The color needed 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 production.

Pre-heating of the oven follows, and it may be done by either conduction, convection or sometimes radiation. It is warmed to temperatures between 500-700F. The mold with the powdered polymer is then secured and installed within the oven.

2. The heating and fusion process.
Once inside the oven, the mold is spun on two axis so the powdered polymer melts from the heat and layers the inside if the mould. The rotation is done gradually, about 20 rotations per sixty seconds. The main thing that is important at this moment is the period of time the mold will spend inside the oven. If it overstays, the material will lose stability and durability, creating a weak item. If it is taken out from the oven prematurely, the polymer will not have flowed correctly, which creates bubbles in the finished product line.

3. Mold cooling.
When the component has completely spent the right amount 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 generates a cool mist. When the material cools, it shrinks somewhat for ease of extraction from the mould. This is yet another measure that depends a lot on the ideal timing, since quick cooling decreases the material too rapidly, causing warping of the item.

4. The un-loading or de-molding phase.
Once the component within te mould has cooled properly, the molder managing the operation can then extract the finalized product from the mould. The process is repeated from the start, providing a series of similar product lines.

For more information on the different rotational molding options offered for the Burton MI 48509, please call our toll free number  866-971-7861 or fill out the form on the right for a consultation!

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