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

rotomoulding-Waterford-Rotational moulding pertains to a plastic manufacturing solution that makes hollow stress-free items. The process uses high temperatures and bi axial rotation to follow up with seamless, one piece items that have several shapes, sizes and colors. This procedure is also referred to as rotomoulding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl types.

The attribute that makes this unique from other plastic manufacturing methods because no pressure is required. It also has few competitors when it comes down to the manufacture of large size hollow products which are long-lasting and inexpensive.There is a wide variety of products that are generated by this process including big water tanks, automobile products, intricate molded medical items, leisure equipment, toys, canoes, industrialized equipment among many others.This is due to the flexibility in regards to style and forms that the process makes

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Waterford MI 48327, 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-Waterford-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 Waterford 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 Roto-Molding Procedure Components

This moulding technique has been used since ancient times for creatingvseverl product lines. Egyptians for instance, employed rotomoulding techniques in the producing of ceramics. The Swiss were also utilizing this rotation design to create hollow chocolate eggs. Some plastic products in the USA were created using this method some time between 1940 and 1950. The technique has however taken very long to take affect because it was considered to be a somewhat slow process

1. Mold readying.
A fixed measure of polymer in grain form is filled into a hollow mould. The mould is usually crafted from cast aluminium or sheet steel component. The coloring intended for the end goods is pre compounded into the polymer. The most generally used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this design of plastic manufacturing.

Pre-heating of the oven follows, and it can be done by either conduction, convection or sometimes radiation. It is heated up to temperatures between 500-700F. The mold with the powdered polymer is then locked and positioned within the oven.

2. The heating up and fusion phase.
Once placed into the oven, the mould is spun on two axis so the powdered polymer liquefies from the heat and coats the inside if the mould. The turning is done gradually, about 20 spins per sixty seconds. The main thing that is important at this moment is the amount of time the mould will spend inside the oven. If it overstays, the component will lose value and strength, making a weak item. If it is extracted from the oven too early, the polymer will not have liquefied correctly, which creates bubbles in the finalized product line.

3. Mold cooling down.
When the component 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 reduces slightly for ease of removal from the mould. This is one more measure that depends upon a lot on the right timing, since rapid cooling decreases the material too quickly, causing bending of the product.

4. The unloading or de-molding phase.
Once the component inside te mould has cooled successfully, the person taking care of the operation can then remove the finished product from the mould. The function is repeated from the beginning, supplying a number of identical products.

For more information on the different rotational molding options offered for the Waterford MI 48327, 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 molded

Local Resources

Process Example
Google Map