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

rotational molding-Melbourne-Rotational moulding pertains to a plastic production procedure that makes hollow stress-free products. The technique depends on high temperatures and bi axial rotation to come up with seamless, one piece objects that have varying forms, sizes and colors. This technique is also referred to as rotomoulding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl styles.

The feature that makes this unique from other plastic manufacturing processes because no pressure is required. It also has few contenders when it pertains to the production of sizable hollow items which are durable and inexpensive.There is a variety of product lines that are generated by this process including large size water tanks, automobile items, intricate molded medical products, recreation equipment, toys, kayaks, industrial equipment among many others.This is due to the flexibility in terms of type and shapes that the process develops

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Melbourne AR 72556, 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 roto-molding 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-Melbourne-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 Melbourne 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 Rotomoulding Procedure in Detail

This moulding method has been used since ancient times for creatingvseverl products. Egyptians for instance, utilized rotocasting techniques in the creating of ceramics. The Swiss were also making use of this rotation approach to create hollow chocolate eggs. Some plastic products in the USA were made utilizing this approach some time between 1940 and 1950. The procedure has however taken very long to take affect because it was thought of as being a relatively slow-moving process

1. Mould prep work.
A fixed amount of polymer in grain form is packed into a hollow mould. The mold is usually composeded of cast aluminium or sheet steel component. The colour preferred for the final product 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 format of plastic manufacturing.

Pre-heating 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 mold with the powdered polymer is then secured and placed into the oven.

2. The heat and fusion procedure.
Once placed into the oven, the mold is turned on two axis so the powdered polymer liquefies from the heat and overlays the inside if the mould. The spinning is done slowly, about 20 spins per min. One thing that is important at this point is the period of time the mould will spend within the oven. If it overstays, the product will lose stability and strength, producing a faulty product. If it is taken out from the oven prematurely, the polymer will not have liquefied properly, which produces bubbles in the finished 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 a cool mist. When the component cools, it shrinks slightly for ease of extraction from the mold. This is one more step that depends a lot on the ideal timing, since quick cooling reduces the material too fast, causing bending of the material.

4. The discharging or de-moulding phase.
When the product inside te mould has cooled successfully, the person handling the procedure can then extract the completed product from the mold. The technique is repeated from the start, providing a series of identical products.

For more information on the different rotational rotomolding options offered for the Melbourne AR 72556 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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