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

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

The component that makes this unique from other plastic manufacturing processes in that no pressure is needed. It also has few rivals when it comes down to the production of sizable hollow items which are resilient and inexpensive.There is a wide variety of product lines that are produced by this process including big water tanks, automobile items, complex molded medical items, recreation equipment, toys, kayaks, commercial equipment among many others.This is due to the versatility in terms of style 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 Holbrook AZ 86025, 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

Custom Molded-Holbrook-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 Holbrook 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 Procedure Components

This molding technique has been used since earlier times for creatingvseverl products. Egyptians as an example, applied rotocasting procedures in the of ceramics. The Swiss were also employing this rotation method to create hollow chocolate eggs. Some plastic product lines in the USA were manufactured utilizing this method some time between 1940 and 1950. Due to the fact that it was considered to be a somewhat slow method, the process has however taken long to become popular

1. Mold prep work.
A fixed measure of polymer in particle form is loaded into a hollow mold. The mold is usually comprised of cast aluminium or sheet steel substance. The colour wanted for the finished 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 style of plastic manufacturing.

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 mold with the powdered polymer is then locked and put within the oven.

2. The heating and fusion step.
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 mould. The rotation is done slowly and gradually, about 20 revolutions per min. Something that is vital at this moment is the period of time the mould will spend inside the oven. If it stays to long, the material will lose value and durability, producing a faulty product. If it is removed from the oven too early, the polymer will not have melted correctly, which develops bubbles in the finalized product line.

3. Mould cooling.
When the component has sufficiently spent the correct 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 a cool mist. When the component cools, it reduces slightly for ease of extraction from the mold. This is another step that depends a lot on the right timing, since quick cooling reduces the material too quick, causing warping of the item.

4. The removing or de-moulding step.
Once the material within te mould has cooled effectively, the person managing the process can then take out the finalized product from the mould. The procedure is repeated from the beginning, providing a number of exact product lines.

For more information on the different rotational rotomolding options offered for the Holbrook AZ 86025 area, please call our toll free number  866-971-7861 or fill out the form on the right for a consultation!

Other areas we service, go here to plastic molding

Local Resources

Production Example
Google Map