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

rotational molding-Coleman-Rotational molding refers to a plastic manufacturing procedure that produces hollow stress-free items. The method depends on high temperatures and bi axial rotation to follow up with seamless, one piece products that have several designs, colors and sizes. This technique is also known as rotomolding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl styles.

The function that makes this different from other plastic manufacturing techniques that no pressure is involved. It also has few rivals when it comes down to the creation of large size hollow products which are long lasting and inexpensive.There is a variety of products that are produced by this process including big water tanks, automobile items, intricate molded medical products, recreation equipment, toys, canoes, industrial equipment among many others.This is because of the flexibility in terms of type and forms that the process develops

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Coleman OK 73432, 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 Products-Coleman-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 Oklahoma 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 Coleman Oklahoma 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 in Detail

This moulding procedure has been used since early times for creatingvseverl products. Egyptians for instance, utilized rotocasting methods in the of ceramics. The Swiss were also applying this rotation design to make hollow chocolate eggs. Some plastic products in the USA were developed using this procedure some time between 1940 and 1950. The technique has however taken long to catch on because it was looked at as being a moderately slow-moving process

1. Mould readying.
A predetermined volume of polymer in powder form is loaded into a hollow mould. The mold is usually comprised of cast aluminium or sheet steel substance. The color intended 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 engineering.

Pre-heating of the oven starts, and it can 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 sealed and inserted within the oven.

2. The heating and fusion procedure.
Once placed into the oven, the mold is spun on two axis so the powdered polymer liquefies from the heat and overlays the inside if the mould. The turning is done slowly and gradually, about 20 revolutions per minute. The main thing that is essential at this point is the amount of time the mould will spend within the oven. If it stays to long, the material will lose stability and strength, making a weak product. If it is extracted from the oven too early, the polymer will not have melted properly, which develops bubbles in the finalized product.

3. Mold cooling down.
When the component has completely spent the correct amount of time in the oven, it is then taken out 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 extraction from the mould. This is another step that relies a lot on the correct timing, since rapid cooling shrinks the material too fast, causing warping of the material.

4. The unloading or de-moulding phase.
As soon as the component within te mould has cooled correctly, the person handling the procedure can then remove the finalized product from the mould. The process is repeated from the beginning, giving a number of identical product lines.

For more information on the different rotational rotomolding options offered for the Coleman OK 73432 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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