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

rotomoulding-Dixons Mills-Rotational molding refers to a plastic production practice that makes hollow stress-free items. The method utilizes high temperatures and bi axial rotation to come up with seamless, one piece objects that have a variety of shapes, sizes and colors. This technique is also referred to as roto-molding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl forms.

The feature that makes this different from other plastic manufacturing techniques in that no pressure is called for. It also has few rivals when it comes to the creation of large hollow items which are resilient and inexpensive.There is a wide variety of items that are developed by this process including large size water tanks, automobile products, sophisticated shaped medical products, recreation equipment, toys, kayaks, industrial equipment among many others.This is due to the flexibility in regards to design and forms that the process develops

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Dixons Mills AL 36736, 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 Molding-Dixons Mills-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 Dixons Mills 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 Procedure Components

This molding system has been used since earlier times for creatingvseverl products. Egyptians as an example, utilized rotomoulding solutions in the producing of ceramics. The Swiss were also applying this rotation approach to create 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 long to catch on because it was thought of to be a relatively slow process

1. Mould readying.
A predetermined measure of polymer in particle form is filled into a hollow mould. The mold is usually made of cast aluminium or sheet steel component. The colour wanted for the final item 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 design of plastic production.

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 secured and put into the oven.

2. The heating up and fusion process.
Once placed into the oven, the mold is spun on two axis so the powdered polymer melts from the heat and coats the inside if the mold. The turning is done gradually, about 20 revolutions per min. The main thing that is important at this point is the amount of time the mould will spend inside the oven. If it stays to long, the material will lose value and durability, producing a weak product. If it is extracted from the oven too early, the polymer will not have liquefied properly, which generates bubbles in the finalized product.

3. Mold cooling.
When the component has sufficiently spent the correct 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 a cool mist. When the product cools, it shrinks slightly for ease of removal from the mold. This is another procedure that relies a lot on the ideal timing, since rapid cooling shrinks the material too rapidly, causing warping of the material.

4. The un-loading or de-molding step.
When the product inside te mold has cooled successfully, the molder taking care of the process can then extract the finalized item from the mold. The technique is repeated from the beginning, supplying a series of similar items.

For more information on the different rotational rotomolding options offered for the Dixons Mills AL 36736 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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