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

rotational moulding-Draper-Rotational molding pertains to a plastic production practice that generates hollow stress-free items. The process relies upon high temperatures and bi axial rotation to follow up with seamless, one piece objects that have a wide range of forms, colors and sizes. This method is also known as roto-molding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The component that makes this unique from other plastic manufacturing methods that no pressure is called for. It also has few rivals when it comes to the manufacture of large hollow items which are long lasting and inexpensive.There is a variety of product lines that are created by this process including large water tanks, automobile products, intricate shaped medical products, recreation equipment, toys, canoes, industrialized equipment among many others.This is because of the versatility in regards to style and forms that the process develops

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Draper UT 84020, 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 rotocasting 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-Draper-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 Utah 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 Draper Utah 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 in Detail

This molding system has been used since ancient times for creatingvseverl products. Egyptians for instance, applied rotational molding solutions in the of ceramics. The Swiss were also utilizing this rotation style to create hollow chocolate eggs. Some plastic products in the USA were developed using this technique some time between 1940 and 1950. Due to the fact that it was viewed to be a basically slow-moving process, the technique has however taken long to catch on

1. Mold prep work.
A predetermined volume of polymer in powder form is packed into a hollow mould. The mold is usually built from cast aluminium or sheet steel substance. The color tone needed for the finished 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 production.

Pre-heating of the oven follows, and it can 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 inserted within the oven.

2. The heating and fusion step.
Once inside the oven, the mold is spun on two axis so the powdered polymer liquefies from the heat and overlays the inside if the mold. The rotation is done slowly and gradually, about 20 spins per min. The main thing that is vital at this moment is the amount of time the mold will spend inside the oven. If it stays to long, the material will lose stability and durability, making a weak item. If it is removed from the oven prematurely, the polymer will not have flowed properly, which generates bubbles in the completed item.

3. Mold cooling.
When the component has completely spent the enough of time in the oven, it is then taken out for cooling. This can be done by air or water, or sometimes a mixture of both which a cool mist. When the product cools, it reduces slightly for ease of extraction from the mold. This is yet another procedure that depends a lot on the correct timing, since quick cooling reduces the material too fast, causing bending of the product.

4. The discharging or de-moulding phase.
As soon as the product within te mold has cooled successfully, the person managing the procedure can then extract the completed product from the mold. The process is repeated from the start, giving a number of similar items.

For more information on the different rotational rotomolding options offered for the Draper UT 84020 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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