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

rotomolding-Jeddo-Rotational molding refers to a plastic production technique that produces hollow stress-free product lines. The method depends on high temperatures and bi axial rotation to follow up with seamless, one piece products that have a variety of forms, colors and sizes. This method is also called rotomolding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl forms.

The component that makes this different from other plastic manufacturing procedures that no pressure is required. It also has few rivals when it pertains to the manufacture of sizable hollow products which are resilient and inexpensive.There is a wide variety of items that are developed by this process including large water tanks, automobile products, sophisticated shaped medical items, leisure equipment, toys, canoes, industrialized equipment among many others.This is because of the versatility in terms of design and forms that the process produces

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Jeddo MI 48032, 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 Manufacturing-Jeddo-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 Jeddo 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 in Detail

This molding technique has been used since ancient times for creatingvseverl items. Egyptians as an example, applied roto-molding procedures in the of ceramics. The Swiss were also making use of this rotation format to make hollow chocolate eggs. Some plastic items in the USA were developed using this procedure some time between 1940 and 1950. Given that it was regarded to be a somewhat slow procedure, the approach has however taken long to become popular

1. Mold prep work.
A predetermined measure of polymer in particle form is packed into a hollow mold. The mould is usually made of cast aluminium or sheet steel material. The coloration needed for the end goods 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 type of plastic assembly.

Pre-heating 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 mould with the powdered polymer is then sealed and installed into the oven.

2. The heating up and fusion step.
Once placed into the oven, the mould is rotated on two axis so the powdered polymer liquefies from the heat and overlays the inside if the mold. The spinning is done slowly and gradually, about 20 revolutions per sixty seconds. One thing that is crucial at this moment is the period of time the mold will spend inside the oven. If it stays to long, the material will lose stability and strength, creating a weak item. If it is taken out from the oven too early, the polymer will not have flowed properly, which creates bubbles in the finished product line.

3. Mold cooling down.
When the material has completely spent the enough of time in the oven, it is then extracted for cooling. This can be done by air or water, or sometimes a mixture of both which creates a cool mist. When the component cools, it shrinks slightly for ease of extraction from the mould. This is an additional measure that depends upon a lot on the right timing, since quick cooling decreases the material too rapidly, causing warping of the material.

4. The offloading or de-moulding step.
As soon as the component within te mould has cooled adequately, the molder handling the procedure can then extract the finalized product from the mould. The technique is repeated from the beginning, giving a series of similar products.

For more information on the different rotational molding options offered for the Jeddo MI 48032, please call our toll free number  866-971-7861 or fill out the form on the right for a consultation!

Other areas we service, go here to custom molding

Local Resources

Process Example
Google Map