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

roto-molding-Loogootee-Rotational molding refers to a plastic manufacturing technique that creates hollow stress-free product lines. The method depends on high temperatures and bi axial rotation to come up with seamless, one piece products that have various shapes, colors and sizes. This procedure is also called rotomolding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl forms.

The benefit that makes this different from other plastic manufacturing methods that no pressure is called for. It also has few contenders when it pertains to the manufacture of large hollow products which are long-lasting and inexpensive.There is a wide variety of products that are produced by this process including large water tanks, automobile products, complex shaped medical items, recreation equipment, toys, canoes, industrialized equipment among many others.This is because of the versatility in terms of design 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 Loogootee IN 47553, 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-Loogootee-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 Indiana 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 Loogootee Indiana 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 moulding procedure has been used since earlier times for creatingvseverl items. Egyptians for example, worked with rotational molding systems in the making of ceramics. The Swiss were also utilizing this rotation method to make hollow chocolate eggs. Some plastic products in the USA were developed utilizing this method some time between 1940 and 1950. Because it was considered to be a very slow method, the procedure has however taken long to catch on

1. Mold readying.
A predetermined amount of polymer in powder form is loaded into a hollow mold. The mold is usually constructed from cast aluminium or sheet steel component. The coloration chosen for the finished item 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 style of plastic engineering.

Preheating 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 locked and positioned inside the oven.

2. The heating and fusion process.
Once inside the oven, the mold is spun on two axis so the powdered polymer liquefies from the heat and layers the inside if the mould. The spinning is done gradually, about 20 rotations per min. One thing that is crucial at this moment is the amount of time the mold will spend inside the oven. If it overstays, the material will lose stability and strength, creating a weak item. If it is removed from the oven too early, the polymer will not have liquefied correctly, which creates bubbles in the completed item.

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 shrinks slightly for ease of removal from the mold. This is yet another step that depends a lot on the ideal timing, since rapid cooling decreases the material too quickly, causing bending of the product.

4. The offloading or de-moulding phase.
When the product inside te mould has cooled effectively, the molder managing the procedure can then extract the finished product from the mould. The procedure is repeated from the start, making a series of similar product lines.

For more information on the different rotational rotomolding options offered for the Loogootee IN 47553 area, please call our toll free number  866-971-7861 or fill out the form on the right for a consultation!

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