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

rotomolding-Eutaw-Rotational moulding pertains to a plastic production method that makes hollow stress-free product lines. The technique utilizes high temperatures and bi axial rotation to follow up with seamless, one piece products that have varying shapes, colors and sizes. This procedure is also called rotomoulding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl styles.

The component that makes this different from other plastic manufacturing procedures in that no pressure is involved. It also has few competitors when it comes down to the production of large hollow items which are resilient and inexpensive.There is a variety of product lines that are generated by this process including large size water tanks, automobile materials, sophisticated designed medical items, leisure equipment, toys, canoes, commercial equipment among many others.This is due to the flexibility 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 Eutaw AL 35462, 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

Plastic Products-Eutaw-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 Alabama 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 Eutaw Alabama 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 Process Components

This molding system has been used since earlier times for creatingvseverl items. Egyptians for instance, worked with rotocasting techniques in the creating of ceramics. The Swiss were also using this rotation type to generate hollow chocolate eggs. Some plastic products in the USA were created utilizing this approach some time between 1940 and 1950. The system has however taken long to catch on because it was thought of as being a moderately slow-moving process

1. Mold prep work.
A predetermined amount of polymer in powder form is packed into a hollow mould. The mold is usually composeded of cast aluminium or sheet steel component. The coloring chosen 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 starts, and it may be done by either conduction, convection or sometimes radiation. It is heated up to temperatures between 500-700F. The mould with the powdered polymer is then sealed and placed within the oven.

2. The heating up and fusion procedure.
Once placed into the oven, the mold is rotated on two axis so the powdered polymer liquefies from the heat and overlays the inside if the mould. The spinning is done slowly and gradually, about 20 revolutions per min. One thing that is critical at this moment is the period of time the mold will spend within the oven. If it overstays, the product will lose value and strength, creating a poor product. If it is taken out from the oven prematurely, the polymer will not have flowed correctly, which produces bubbles in the finalized item.

3. Mold cooling down.
When the component has completely spent the right 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 creates a cool mist. When the component cools, it shrinks a little for ease of extraction from the mold. This is one more procedure that relies a lot on the right timing, since quick cooling shrinks the material too quick, causing bending of the product.

4. The offloading or de-moulding step.
Once the product inside te mold has cooled correctly, the person managing the procedure can then remove the finalized product from the mold. The technique is repeated from the start, giving a series of exact product lines.

For more information on the different rotational rotomolding options offered for the Eutaw AL 35462 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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