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

rotational molding-Palo-Rotational molding pertains to a plastic production method that produces hollow stress-free items. The method relies upon high temperatures and bi axial rotation to follow up with seamless, one piece products that have different shapes, sizes and colors. This method is also referred to as roto-molding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl forms.

The feature that makes this unique from other plastic manufacturing techniques because no pressure is called for. It also has few competitors when it comes down to the manufacture of large hollow items which are durable and inexpensive.There is a wide variety of products that are generated by this process including big water tanks, automobile products, sophisticated designed medical products, recreation equipment, toys, canoes, commercial equipment among many others.This is due to the versatility in regards to type and forms that the process produces

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Palo IA 52324, 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 rotational molding 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 Molding-Palo-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 Iowa 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 Palo Iowa 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 product lines. Egyptians for example, applied rotocasting methods in the making of ceramics. The Swiss were also using this rotation method to generate hollow chocolate eggs. Some plastic items in the USA were made using this technique some time between 1940 and 1950. The system has however taken very long to take affect because it was looked at to be a very slow process

1. Mold fitting.
A fixed quantity of polymer in grain form is packed into a hollow mold. The mould is usually built from cast aluminium or sheet steel substance. The coloration preferred for the final product is pre compounded into the polymer. The most often used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this design of plastic engineering.

Preheating of the oven follows, and it may be done by either conduction, convection or sometimes radiation. It is heated to temperatures between 500-700F. The mold with the powdered polymer is then secured and positioned inside the oven.

2. The heat and fusion procedure.
Once inside the oven, the mould is turned on two axis so the powdered polymer melts from the heat and coats the inside if the mould. The rotation is done slowly, about 20 spins per min. Something that is essential 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 poor product. If it is taken out from the oven prematurely, the polymer will not have liquefied properly, which creates bubbles in the finalized product line.

3. Mold cooling down.
When the product has sufficiently spent the enough of time in the oven, it is then removed for cooling. This can be done by air or water, or sometimes a mixture of both which a cool mist. When the material cools, it reduces somewhat for ease of extraction from the mold. This is an additional step that relies a lot on the correct timing, since quick cooling decreases the material too fast, causing warping of the item.

4. The discharging or de-moulding phase.
As soon as the material inside te mold has cooled properly, the person managing the process can then extract the finished product from the mold. The technique is repeated from the start, supplying a number of similar product lines.

For more information on the different rotational rotomolding options offered for the Palo IA 52324 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 custom molding

Local Resources

Production Example
Google Map