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

rotational molding-Dyess-Rotational moulding refers to a plastic production method that produces hollow stress-free products. The method relies upon high temperatures and bi axial rotation to come up with seamless, one piece items that have a wide range of shapes, sizes and colors. This method is also called rotomoulding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl forms.

The feature that makes this unique from other plastic manufacturing techniques that no pressure is required. It also has few competitors when it comes to the creation of sizable hollow items which are long-lasting and inexpensive.There is a variety of products that are created by this process including large size water tanks, automobile materials, complex molded medical products, recreation equipment, toys, kayaks, commercial equipment among many others.This is because of the flexibility in regards to 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 Dyess AR 72330, 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-Dyess-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 Arkansas 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 Dyess Arkansas 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 Process in Detail

This molding technique has been used since ancient times for creatingvseverl products. Egyptians for example, used rotomoulding solutions in the making of ceramics. The Swiss were also using this rotation style to generate hollow chocolate eggs. Some plastic products in the USA were created using this procedure some time between 1940 and 1950. The technique has however taken very long to take affect because it was looked at as being a somewhat slow-moving process

1. Mould readying.
A fixed quantity of polymer in powder form is packed into a hollow mold. The mould is usually crafted from cast aluminium or sheet steel material. The color chosen for the final goods 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 type of plastic assembly.

Pre-heating of the oven follows, 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 locked and positioned into the oven.

2. The heating up and fusion phase.
Once inside the oven, the mold is rotated on two axis so the powdered polymer melts from the heat and layers the inside if the mould. The turning is done slowly and gradually, about 20 revolutions per sixty seconds. One thing that is important 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, making a faulty product. If it is taken out from the oven prematurely, the polymer will not have flowed correctly, which creates bubbles in the finished item.

3. Mould cooling.
When the component has sufficiently spent the right 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 generates a cool mist. When the component cools, it reduces somewhat for ease of removal from the mold. This is an additional procedure that depends a lot on the correct timing, since rapid cooling reduces the material too quickly, causing bending of the item.

4. The discharging or de-molding step.
As soon as the component within te mold has cooled properly, the person managing the operation can then take out the completed item from the mould. The technique is repeated from the start, making a series of identical product lines.

For more information on the different rotational rotomolding options offered for the Dyess AR 72330 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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