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

rotomolding-Reeds Spring-Rotational moulding pertains to a plastic production practice that produces hollow stress-free products. The method uses high temperatures and bi axial rotation to come up with seamless, one piece objects that have many different shapes, sizes and colors. This method is also called roto-molding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl forms.

The feature that makes this different from other plastic manufacturing methods because no pressure is needed. It also has few competitors when it pertains to the manufacture of sizable hollow products which are durable and inexpensive.There is a wide range of product lines that are developed by this process including large water tanks, automobile products, intricate shaped medical products, recreation equipment, toys, kayaks, commercial equipment among many others.This is due to the versatility in regards to design and forms that the process manufactures

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Reeds Spring MO 65737, 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 rotomolding 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 Molding-Reeds Spring-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 Missouri 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 Reeds Spring Missouri 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 Process Components

This moulding method has been used since ancient times for creatingvseverl products. Egyptians as an example, utilized rotational molding procedures in the creating of ceramics. The Swiss were also applying this rotation design to generate hollow chocolate eggs. Some plastic product lines in the USA were developed using this procedure some time between 1940 and 1950. Due to the fact that it was viewed to be a basically slow method, the system has however taken long to become popular

1. Mould prep work.
A fixed measure of polymer in grain form is packed into a hollow mould. The mould is usually built from cast aluminium or sheet steel component. The color tone intended for the final product 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 format of plastic engineering.

Preheating of the oven follows, and it may 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 inside the oven.

2. The heat and fusion process.
Once placed into the oven, the mould is turned on two axis so the powdered polymer liquefies from the heat and layers the inside if the mould. The turning is done slowly and gradually, about 20 revolutions per minute. Something that is critical at this moment is the period of time the mold will spend inside the oven. If it overstays, the material will lose value and strength, creating a faulty product. If it is removed from the oven too early, the polymer will not have melted properly, which produces bubbles in the completed item.

3. Mould cooling down.
When the product has sufficiently spent the correct amount of time in the oven, it is then removed for cooling. This can be done by air or water, or sometimes a mixture of both which generates a cool mist. When the product cools, it reduces somewhat for ease of extraction from the mold. This is yet another procedure that depends upon a lot on the ideal timing, since quick cooling reduces the material too quickly, causing warping of the material.

4. The discharging or de-moulding phase.
As soon as the product within te mould has cooled successfully, the person handling the process can then remove the finished item from the mold. The procedure is repeated from the beginning, giving a number of exact products.

For more information on the different rotational molding options offered for the Reeds Spring MO 65737 area, 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 plastic products

Local Resources

Production Example
Google Map