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

rotocasting-Belton-Rotational moulding pertains to a plastic production solution that makes hollow stress-free items. The function depends on high temperatures and bi axial rotation to come up with seamless, one piece items that have a variety of shapes, colors and sizes. This procedure is also referred to as rotomolding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl forms.

The component that makes this unique from other plastic manufacturing techniques because no pressure is called for. It also has few contenders when it comes to the creation of large size hollow products which are resilient and inexpensive.There is a wide range of items that are created by this process including big water tanks, automobile materials, sophisticated molded medical items, leisure equipment, toys, canoes, industrialized equipment among many others.This is due to the versatility in regards to type 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 Belton SC 29627, 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 rotocasting 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

Custom Molding-Belton-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 Belton 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 Process in Detail

This molding process has been used since early times for creatingvseverl items. Egyptians as an example, applied rotocasting solutions in the of ceramics. The Swiss were also employing this rotation method to make hollow chocolate eggs. Some plastic product lines in the USA were manufactured using this method some time between 1940 and 1950. The system has however taken long to catch on because it was thought of to be a very slow-moving process

1. Mold readying.
A predetermined measure of polymer in grain form is filled into a hollow mould. The mould is usually made from cast aluminium or sheet steel substance. The coloring 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 format of plastic engineering.

Pre-heating of the oven follows, 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 within the oven, the mold is rotated on two axis so the powdered polymer liquefies from the heat and layers the inside if the mold. The spinning is done slowly, about 20 spins per minute. One thing that is important at this point is the amount of time the mold will spend inside the oven. If it overstays, the material will lose value and durability, creating a weak item. If it is removed from the oven too early, the polymer will not have melted properly, which generates bubbles in the finished item.

3. Mold cooling.
When the material has completely spent the enough 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 a cool mist. When the component cools, it shrinks somewhat for ease of extraction from the mould. This is yet another measure that relies a lot on the right timing, since quick cooling decreases the material too rapidly, causing bending of the product.

4. The un-loading or de-molding phase.
Once the material within te mould has cooled correctly, the person managing the procedure can then take out the completed item from the mold. The process is repeated from the beginning, supplying a number of similar product lines.

For more information on the different rotational rotomolding options offered for the Belton SC 29627 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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