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

rotocasting-Stoneville-Rotational molding pertains to a plastic production procedure that makes hollow stress-free products. The technique uses high temperatures and bi axial rotation to follow up with seamless, one piece items that have varying designs, colors and sizes. This technique is also known as rotomoulding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl forms.

The component that makes this unique from other plastic manufacturing processes in that no pressure is involved. It also has few competitors when it involves the creation of large size hollow items which are resilient and inexpensive.There is a variety of product lines that are developed by this process including large size water tanks, automobile items, complex shaped medical items, recreation equipment, toys, kayaks, commercial equipment among many others.This is because of the versatility in regards to style and shapes that the process creates

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Stoneville NC 27048, 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 roto-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 Products-Stoneville-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 North Carolina 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 Stoneville North Carolina 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 Components

This molding method has been used since earlier times for creatingvseverl items. Egyptians for example, used rotocasting methods in the creating of ceramics. The Swiss were also employing this rotation method to create hollow chocolate eggs. Some plastic products in the USA were created using this approach some time between 1940 and 1950. The system has however taken long to catch on because it was looked at as being a pretty slow-moving process

1. Mold preparation.
A predetermined amount of polymer in powder form is loaded into a hollow mold. The mould is usually constructed from cast aluminium or sheet steel component. The color needed 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 style of plastic production.

Preheating of the oven starts, and it can 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 up and fusion step.
Once within the oven, the mold is revolved on two axis so the powdered polymer liquefies from the heat and coats the inside if the mold. The turning is done slowly, about 20 revolutions per sixty seconds. One thing that is crucial 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, creating a weak item. If it is removed from the oven prematurely, the polymer will not have liquefied properly, which creates bubbles in the completed item.

3. Mold cooling down.
When the material has completely spent the correct amount of time in the oven, it is then extracted for cooling. This may be done by air or water, or sometimes a mixture of both which generates a cool mist. When the material cools, it reduces somewhat for ease of extraction from the mold. This is one more procedure that depends a lot on the ideal timing, since quick cooling shrinks the material too quickly, causing warping of the item.

4. The un-loading or de-moulding phase.
As soon as the material inside te mould has cooled properly, the person handling the process can then take out the finished product from the mould. The function is repeated from the beginning, making a number of exact products.

For more information on the different rotational rotomolding options offered for the Stoneville NC 27048 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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