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

rotational moulding-Pelion-Rotational molding pertains to a plastic manufacturing method that makes hollow stress-free product lines. The technique uses high temperatures and bi axial rotation to follow up with seamless, one piece objects that have many different forms, sizes and colors. This technique is also known as roto-molding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl forms.

The benefit that makes this unique from other plastic manufacturing procedures because no pressure is involved. It also has few rivals when it pertains to the manufacture of large size hollow products which are long lasting and inexpensive.There is a wide variety of product lines that are created by this process including big water tanks, automobile items, complex shaped medical items, recreation equipment, toys, kayaks, commercial equipment among many others.This is because of the versatility in terms of style and forms that the process creates

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Pelion SC 29123, 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 Molding-Pelion-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 South 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 Pelion South 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 Rotomolding Method in Detail

This moulding procedure has been used since early times for creatingvseverl products. Egyptians for instance, utilized roto-molding procedures in the manufacturing of ceramics. The Swiss were also applying this rotation approach to create hollow chocolate eggs. Some plastic items in the USA were created using this method some time between 1940 and 1950. The procedure has however taken very long to take affect because it was considered as being a pretty slow-moving process

1. Mold preparation.
A predetermined quantity of polymer in particle form is loaded into a hollow mold. The mould is usually comprised of cast aluminium or sheet steel material. The color intended for the end item is pre compounded into the polymer. The most typically used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this format of plastic production.

Pre-heating of the oven starts, and it can 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 secured and put within the oven.

2. The heating up and fusion procedure.
Once placed into the oven, the mold is turned on two axis so the powdered polymer melts from the heat and overlays the inside if the mould. The rotation is done slowly, about 20 revolutions per sixty seconds. Something that is essential at this moment is the amount of time the mould will spend within the oven. If it overstays, the product will lose stability and strength, generating a faulty item. If it is taken out from the oven prematurely, the polymer will not have liquefied properly, which produces bubbles in the finished product.

3. Mould cooling.
When the product has completely spent the right amount of time in the oven, it is then extracted 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 somewhat for ease of removal from the mold. This is another step that depends upon a lot on the right timing, since quick cooling reduces the material too fast, causing bending of the item.

4. The discharging or de-molding phase.
When the material within te mold has cooled successfully, the person taking care of the procedure can then extract the finalized product from the mould. The function is repeated from the start, making a series of identical products.

For more information on the different rotational rotomolding options offered for the Pelion SC 29123 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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