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

roto-molding-Luna Pier-Rotational molding refers to a plastic manufacturing method that generates hollow stress-free items. The technique relies upon high temperatures and bi axial rotation to come up with seamless, one piece items that have a wide range of forms, colors and sizes. This procedure is also called rotomolding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl types.

The component that makes this different from other plastic manufacturing processes because no pressure is called for. It also has few rivals when it pertains to the production of large hollow products which are long-lasting and inexpensive.There is a wide range of product lines that are generated by this process including large water tanks, automobile materials, intricate designed medical products, recreation equipment, toys, canoes, industrial equipment among many others.This is because of the flexibility in terms of style and forms that the process creates

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Luna Pier MI 48157, 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-Luna Pier-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 Luna Pier 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 Method Components

This molding procedure has been used since earlier times for creatingvseverl product lines. Egyptians for instance, utilized rotocasting techniques in the of ceramics. The Swiss were also making use of this rotation type to create hollow chocolate eggs. Some plastic items in the USA were made utilizing this method some time between 1940 and 1950. The procedure has however taken long to catch on because it was looked at as being a somewhat slow process

1. Mold fitting.
A fixed quantity of polymer in grain form is filled into a hollow mould. The mould is usually made of cast aluminium or sheet steel material. The color tone intended for the final item 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 engineering.

Preheating of the oven starts, and it may be done by either conduction, convection or sometimes radiation. It is heated to temperatures between 500-700F. The mold with the powdered polymer is then locked and installed within the oven.

2. The heating up and fusion process.
Once placed into the oven, the mold is rotated on two axis so the powdered polymer melts from the heat and coats the inside if the mould. The spinning is done slowly, about 20 revolutions per sixty seconds. One thing that is vital at this moment is the period of time the mould will spend inside the oven. If it stays to long, the component will lose stability and durability, producing a poor item. If it is taken out from the oven prematurely, the polymer will not have flowed properly, which generates bubbles in the completed product.

3. Mould cooling.
When the component has completely spent the right amount of time in the oven, it is then taken out 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 reduces a little for ease of extraction from the mold. This is another procedure that depends upon a lot on the ideal timing, since rapid cooling shrinks the material too quickly, causing bending of the material.

4. The unloading or de-moulding phase.
As soon as the product inside te mould has cooled successfully, the person taking care of the operation can then extract the completed item from the mould. The technique is repeated from the beginning, providing a series of identical product lines.

For more information on the different rotational molding options offered for the Luna Pier MI 48157, please call our toll free number  866-971-7861 or fill out the form on the right for a consultation!

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