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

rotocasting-Old Fort-Rotational moulding pertains to a plastic manufacturing procedure that produces hollow stress-free products. The function utilizes high temperatures and bi axial rotation to follow up with seamless, one piece products that have a variety of forms, colors and sizes. This procedure is also referred to as roto-molding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl forms.

The benefit that makes this different from other plastic manufacturing procedures that no pressure is needed. It also has few contenders when it pertains to the manufacture of sizable hollow products which are resilient and inexpensive.There is a variety of items that are created by this process including large water tanks, automobile products, complex designed medical items, recreation equipment, toys, kayaks, industrial equipment among many others.This is because of the versatility in terms of design 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 Old Fort NC 28762, 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 Products-Old Fort-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 Old Fort 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 Rotomoulding Procedure in Detail

This molding operation has been used since early times for creatingvseverl items. Egyptians for example, worked with roto-molding solutions in the making of ceramics. The Swiss were also employing this rotation design to generate hollow chocolate eggs. Some plastic products in the USA were developed utilizing this method some time between 1940 and 1950. Since it was thought of to be a rather slow technique, the method has however taken long to catch on

1. Mold prep work.
A fixed quantity of polymer in grain form is filled into a hollow mold. The mold is usually made from cast aluminium or sheet steel substance. The color tone needed for the final goods 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 production.

Pre-heating of the oven starts, 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 sealed and inserted inside the oven.

2. The heating and fusion procedure.
Once placed into the oven, the mould is turned on two axis so the powdered polymer melts from the heat and overlays the inside if the mold. The rotation is done slowly, about 20 rotations per min. The main 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 product will lose value and strength, generating a weak item. If it is removed from the oven prematurely, the polymer will not have flowed correctly, which produces bubbles in the finished item.

3. Mold cooling.
When the product has completely 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 creates a cool mist. When the component cools, it reduces slightly for ease of extraction from the mould. This is one more measure that depends a lot on the ideal timing, since quick cooling shrinks the material too quickly, causing warping of the product.

4. The offloading or de-molding phase.
Once the component within te mold has cooled properly, the person managing the operation can then extract the finalized product from the mould. The procedure is repeated from the beginning, providing a series of identical products.

For more information on the different rotational rotomolding options offered for the Old Fort NC 28762 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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