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

rotomoulding-Glendale-Rotational molding pertains to a plastic manufacturing procedure that generates hollow stress-free product lines. The technique uses high temperatures and bi axial rotation to follow up with seamless, one piece items that have different designs, colors and sizes. This procedure is also called rotomolding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl forms.

The function that makes this unique from other plastic manufacturing techniques that no pressure is called for. It also has few contenders when it involves the manufacture of large hollow products which are long lasting and inexpensive.There is a wide variety of products that are developed by this process including big water tanks, automobile products, intricate shaped medical products, leisure equipment, toys, kayaks, commercial equipment among many others.This is because of the versatility in regards to design and shapes that the process manufactures

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Glendale AZ 85301, 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 Manufacturing-Glendale-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 Glendale 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 Roto-Molding Procedure Components

This molding technique has been used since early times for creatingvseverl product lines. Egyptians as an example, applied rotational molding techniques in the producing of ceramics. The Swiss were also using this rotation technique to make hollow chocolate eggs. Some plastic product lines in the USA were developed utilizing this technique some time between 1940 and 1950. Because it was considered to be a very slow method, the system has however taken long to catch on

1. Mould readying.
A fixed volume of polymer in particle form is filled into a hollow mold. The mould is usually comprised of cast aluminium or sheet steel component. The color tone chosen for the finished goods 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 style of plastic manufacturing.

Pre-heating of the oven follows, and it can be done by either conduction, convection or sometimes radiation. It is warmed to temperatures between 500-700F. The mould with the powdered polymer is then sealed and placed into the oven.

2. The heating and fusion phase.
Once inside the oven, the mould is revolved on two axis so the powdered polymer melts from the heat and layers the inside if the mold. The rotation is done slowly and gradually, about 20 revolutions per min. Something that is critical 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, creating a weak item. If it is taken out from the oven too early, the polymer will not have melted properly, which creates bubbles in the completed product line.

3. Mould cooling down.
When the material has sufficiently spent the right amount of time in the oven, it is then removed for cooling. This may be done by air or water, or sometimes a mixture of both which creates a cool mist. When the product cools, it shrinks a little for ease of removal from the mold. This is another measure that relies a lot on the right timing, since rapid cooling decreases the material too rapidly, causing warping of the material.

4. The offloading or de-moulding phase.
Once the component within te mold has cooled effectively, the molder managing the operation can then take out the finalized product from the mould. The procedure is repeated from the beginning, supplying a number of exact items.

For more information on the different rotational rotomolding options offered for the Glendale AZ 85301 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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