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

rotomolding-Providence-Rotational moulding pertains to a plastic manufacturing solution that makes hollow stress-free product lines. The technique depends on high temperatures and bi axial rotation to come up with seamless, one piece items that have a wide range of designs, sizes and colors. This method is also known as rotomoulding 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 competitors when it comes down to the production of large hollow items which are long lasting and inexpensive.There is a variety of product lines that are generated by this process including large size water tanks, automobile items, complex designed medical products, recreation equipment, toys, canoes, industrialized equipment among many others.This is due to the versatility in terms of style 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 Providence UT 84332, 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

Plastic Molding-Providence-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 Providence 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 Rotomoulding Method Components

This molding method has been used since earlier times for creatingvseverl products. Egyptians as an example, utilized roto-molding methods in the manufacturing of ceramics. The Swiss were also applying this rotation technique to make hollow chocolate eggs. Some plastic items in the USA were created using this approach some time between 1940 and 1950. The process has however taken very long to catch on because it was looked at as being a relatively slow process

1. Mold fitting.
A fixed quantity of polymer in particle form is packed into a hollow mould. The mould is usually made from cast aluminium or sheet steel substance. The color needed for the end 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 type of plastic manufacturing.

Pre-heating of the oven starts, and it may be done by either conduction, convection or sometimes radiation. It is warmed to temperatures between 500-700F. The mold with the powdered polymer is then locked and positioned into the oven.

2. The heating and fusion procedure.
Once placed into the oven, the mould is revolved on two axis so the powdered polymer melts from the heat and coats the inside if the mould. The rotation is done gradually, about 20 spins per sixty seconds. The main thing that is essential at this moment is the period of time the mould will spend inside the oven. If it overstays, the material will lose stability and strength, producing a faulty item. If it is taken out from the oven prematurely, the polymer will not have melted properly, which creates bubbles in the finished item.

3. Mold cooling.
When the material has completely spent the correct amount 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 removal from the mould. This is another measure that depends a lot on the correct timing, since quick cooling shrinks the material too fast, causing bending of the material.

4. The un-loading or de-moulding phase.
As soon as the component inside te mould has cooled successfully, the person managing the procedure can then extract the completed product from the mold. The procedure is repeated from the start, making a number of identical product lines.

For more information on the different rotational rotomolding options offered for the Providence UT 84332 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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