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

rotocasting-Burr Oak-Rotational molding refers to a plastic manufacturing procedure that makes hollow stress-free products. The process relies upon high temperatures and bi axial rotation to follow up with seamless, one piece items that have several forms, sizes and colors. This technique is also called roto-molding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl styles.

The component that makes this different from other plastic manufacturing techniques because no pressure is called for. It also has few rivals when it pertains to the creation of sizable hollow products which are resilient and inexpensive.There is a variety of products that are generated by this process including large water tanks, automobile items, complex molded medical items, leisure equipment, toys, kayaks, commercial equipment among many others.This is because of the flexibility in terms of type 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 Burr Oak MI 49030, 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-Burr Oak-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 Burr Oak 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 moulding operation has been used since earlier times for creatingvseverl products. Egyptians for instance, used roto-molding techniques in the creating of ceramics. The Swiss were also using this rotation format to make hollow chocolate eggs. Some plastic product lines in the USA were manufactured using this procedure some time between 1940 and 1950. The procedure has however taken very long to catch on because it was looked at to be a relatively slow-moving process

1. Mold readying.
A fixed measure of polymer in powder form is filled into a hollow mould. The mould is usually made of cast aluminium or sheet steel component. The color tone needed for the finished item 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 design of plastic engineering.

Preheating of the oven follows, and it can 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 sealed and put into the oven.

2. The heating and fusion procedure.
Once inside the oven, the mold is spun 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 essential at this moment is the amount of time the mold will spend inside the oven. If it overstays, the material will lose value and strength, generating a faulty product. If it is extracted from the oven prematurely, the polymer will not have liquefied properly, which develops bubbles in the finished product.

3. Mould cooling.
When the product has completely spent the enough of time in the oven, it is then removed for cooling. This may be done by air or water, or sometimes a mixture of both which generates a cool mist. When the component cools, it reduces somewhat for ease of removal from the mould. This is yet another procedure that depends a lot on the correct timing, since rapid cooling reduces the material too quick, causing warping of the item.

4. The unloading or de-moulding phase.
Once the product within te mould has cooled effectively, the molder handling the operation can then take out the completed item from the mould. The function is repeated from the start, providing a number of similar products.

For more information on the different rotational molding options offered for the Burr Oak MI 49030, please call our toll free number  866-971-7861 or fill out the form on the right for a consultation!

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