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

rotomolding-Mayodan-Rotational moulding refers to a plastic manufacturing method that creates hollow stress-free products. The procedure relies on high temperatures and bi axial rotation to come up with seamless, one piece items that have various forms, sizes and colors. This procedure is also referred to as rotomolding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl styles.

The benefit that makes this different from other plastic manufacturing processes that no pressure is called for. It also has few contenders when it pertains to the production of large size hollow products which are durable and inexpensive.There is a variety of items that are produced by this process including large water tanks, automobile materials, complex shaped medical items, leisure equipment, toys, canoes, industrial equipment among many others.This is due to the versatility in regards to design and forms that the process produces

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Mayodan NC 27027, 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 Products-Mayodan-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 Mayodan 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 in Detail

This molding system has been used since earlier times for creatingvseverl products. Egyptians for instance, utilized rotational molding procedures in the creating of ceramics. The Swiss were also applying this rotation type to make hollow chocolate eggs. Some plastic items in the USA were created utilizing this technique some time between 1940 and 1950. Because it was thought of to be a somewhat slow-moving technique, the system has however taken long to become popular

1. Mold preparation.
A predetermined quantity of polymer in particle form is loaded into a hollow mould. The mould is usually made of cast aluminium or sheet steel material. The coloration preferred for the finished goods is pre compounded into the polymer. The most generally used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this design of plastic assembly.

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 mould with the powdered polymer is then locked and inserted inside the oven.

2. The heat and fusion step.
Once inside the oven, the mould is turned on two axis so the powdered polymer melts from the heat and layers the inside if the mold. The rotation is done gradually, about 20 revolutions per minute. Something that is crucial at this moment is the amount of time the mould will spend inside the oven. If it overstays, the material will lose stability and durability, generating a poor product. If it is taken out from the oven too early, the polymer will not have flowed properly, which creates bubbles in the completed item.

3. Mold cooling.
When the material 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 material cools, it shrinks slightly for ease of extraction from the mould. This is an additional procedure that relies a lot on the ideal timing, since rapid cooling reduces the material too quick, causing bending of the product.

4. The removing or de-moulding step.
When the component within te mould has cooled properly, the molder handling the process can then take out the finalized product from the mould. The technique is repeated from the beginning, making a series of similar items.

For more information on the different rotational rotomolding options offered for the Mayodan NC 27027 area, please call our toll free number  866-971-7861 or fill out the form on the right for a consultation!

Other areas we service, go here to custom molded

Local Resources

Production Example
Google Map