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

rotational molding-Ogden-Rotational molding pertains to a plastic manufacturing technique that creates hollow stress-free products. The function relies on high temperatures and bi axial rotation to come up with seamless, one piece products that have different designs, sizes and colors. This procedure is also known as 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 rivals when it involves the production of large size hollow items which are long-lasting and inexpensive.There is a wide variety of products that are generated by this process including large size water tanks, automobile items, intricate molded medical products, leisure equipment, toys, kayaks, industrialized equipment among many others.This is due to the versatility in terms of type and forms that the process manufactures

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Ogden IA 50212, 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

Plastic Manufacturing-Ogden-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 Ogden 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 Process Components

This moulding process has been used since ancient times for creatingvseverl products. Egyptians for instance, worked with rotomoulding systems in the manufacturing 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 procedure some time between 1940 and 1950. Since it was viewed to be a fairly slow process, the process has however taken long to become popular

1. Mould preparation.
A predetermined measure of polymer in particle form is packed into a hollow mold. The mould is usually constructed from cast aluminium or sheet steel material. The coloring chosen for the end goods 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 format of plastic engineering.

Pre-heating of the oven starts, and it can 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 locked and inserted inside the oven.

2. The heating and fusion phase.
Once inside the oven, the mould is turned on two axis so the powdered polymer liquefies from the heat and coats the inside if the mold. The rotation is done gradually, about 20 spins per min. One thing that is essential at this moment is the period of time the mould will spend within the oven. If it stays to long, the material will lose stability and durability, creating a poor product. If it is removed from the oven prematurely, the polymer will not have melted properly, which creates bubbles in the completed item.

3. Mould cooling.
When the component has sufficiently spent the enough 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 material cools, it reduces slightly for ease of removal from the mould. This is yet another measure that depends upon a lot on the correct timing, since rapid cooling reduces the material too quickly, causing bending of the product.

4. The un-loading or de-molding phase.
Once the material within te mold has cooled properly, the molder managing the operation can then extract the finalized product from the mould. The technique is repeated from the start, making a series of exact product lines.

For more information on the different rotational rotomolding options offered for the Ogden IA 50212 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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