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

rotocasting-Duncan-Rotational moulding pertains to a plastic manufacturing procedure that generates hollow stress-free products. The function depends on high temperatures and bi axial rotation to follow up with seamless, one piece products that have various designs, colors and sizes. This method is also called roto-molding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl styles.

The benefit that makes this different from other plastic manufacturing techniques because no pressure is required. It also has few competitors when it involves the creation of large size hollow items which are durable and inexpensive.There is a variety of items that are produced by this process including big water tanks, automobile items, complex shaped medical items, recreation equipment, toys, kayaks, industrialized equipment among many others.This is due to the versatility in terms of style 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 Duncan AZ 85534, 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 rotomoulding 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-Duncan-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 Arizona 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 Duncan Arizona 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 procedure has been used since early times for creatingvseverl products. Egyptians for example, utilized roto-molding techniques in the manufacturing of ceramics. The Swiss were also making use of this rotation format to generate hollow chocolate eggs. Some plastic products in the USA were developed utilizing this approach some time between 1940 and 1950. The process has however taken very long to take affect because it was looked at to be a very slow-moving process

1. Mould preparation.
A predetermined quantity of polymer in particle form is filled into a hollow mould. The mold is usually crafted from cast aluminium or sheet steel substance. The coloration desired for the end product 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 warmed to temperatures between 500-700F. The mold with the powdered polymer is then sealed and inserted into the oven.

2. The heat and fusion phase.
Once inside the oven, the mold is revolved on two axis so the powdered polymer liquefies from the heat and overlays the inside if the mold. The spinning is done slowly and gradually, about 20 spins per sixty seconds. Something that is important at this moment is the amount of time the mould will spend within the oven. If it stays to long, the component will lose value and strength, producing a faulty item. If it is taken out from the oven prematurely, the polymer will not have liquefied properly, which develops bubbles in the finalized product line.

3. Mould cooling.
When the product has completely spent the enough of time in the oven, it is then extracted 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 shrinks somewhat for ease of extraction from the mold. This is an additional measure that depends a lot on the correct timing, since rapid cooling reduces the material too fast, causing warping of the material.

4. The removing or de-moulding step.
As soon as the product within te mold has cooled properly, the person taking care of the procedure can then remove the finished product from the mould. The function is repeated from the start, providing a number of similar product lines.

For more information on the different rotational rotomolding options offered for the Duncan AZ 85534 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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