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

rotational molding-Dawsonville-Rotational molding refers to a plastic production technique that creates hollow stress-free items. The function utilizes high temperatures and bi axial rotation to follow up with seamless, one piece objects that have different designs, sizes and colors. This technique is also called rotomoulding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl forms.

The attribute that makes this different from other plastic manufacturing procedures because no pressure is required. It also has few competitors when it involves the production of large hollow items which are resilient and inexpensive.There is a wide range of product lines that are created by this process including large water tanks, automobile materials, intricate designed medical products, recreation equipment, toys, canoes, industrial equipment among many others.This is because of the versatility in regards to style and shapes that the process makes

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Dawsonville GA 30534, 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

Custom Molded-Dawsonville-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 Georgia 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 Dawsonville Georgia 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 Method Components

This moulding method has been used since ancient times for creatingvseverl products. Egyptians as an example, worked with rotational molding methods in the producing of ceramics. The Swiss were also making use of this rotation type to generate hollow chocolate eggs. Some plastic product lines in the USA were developed utilizing this technique some time between 1940 and 1950. Considering that it was looked at to be a fairly slow-moving approach, the approach has however taken long to catch on

1. Mold preparation.
A fixed volume of polymer in powder form is packed into a hollow mold. The mould is usually made of cast aluminium or sheet steel component. The color desired for the end 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 style of plastic manufacturing.

Pre-heating 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 positioned into the oven.

2. The heat and fusion step.
Once within the oven, the mould is spun on two axis so the powdered polymer liquefies from the heat and layers the inside if the mold. The turning is done gradually, about 20 rotations per min. One thing that is critical at this moment is the amount of time the mold will spend within the oven. If it stays to long, the component will lose value and strength, producing a weak item. If it is removed from the oven prematurely, the polymer will not have flowed properly, which creates bubbles in the completed item.

3. Mold cooling.
When the material has completely spent the right amount of time in the oven, it is then extracted for cooling. This may be done by air or water, or sometimes a mixture of both which creates a cool mist. When the material cools, it shrinks slightly for ease of removal from the mould. This is one more measure that depends a lot on the right timing, since quick cooling shrinks the material too rapidly, causing bending of the material.

4. The removing or de-molding step.
When the material within te mold has cooled correctly, the person managing the operation can then take out the finished product from the mold. The procedure is repeated from the start, giving a series of exact items.

For more information on the different rotational molding options offered for the Dawsonville GA 30534 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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