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

rotomolding-Ronceverte-Rotational moulding refers to a plastic production technique that creates hollow stress-free products. The process depends on high temperatures and bi axial rotation to follow up with seamless, one piece items that have various designs, colors and sizes. This technique is also known as rotomoulding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl styles.

The function that makes this different from other plastic manufacturing processes in that no pressure is called for. It also has few competitors when it involves the creation of sizable hollow items which are long-lasting and inexpensive.There is a wide variety of items that are generated by this process including big water tanks, automobile items, intricate molded medical items, leisure equipment, toys, canoes, commercial equipment among many others.This is because of the flexibility 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 Ronceverte WV 24970, 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 Manufacturing-Ronceverte-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 West Virginia 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 Ronceverte West Virginia 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 system has been used since ancient times for creatingvseverl items. Egyptians as an example, worked with rotomoulding systems in the of ceramics. The Swiss were also utilizing this rotation method to create hollow chocolate eggs. Some plastic products in the USA were developed utilizing this procedure some time between 1940 and 1950. Since it was considered to be a fairly slow-moving system, the approach has however taken long to catch on

1. Mould prep work.
A fixed volume of polymer in powder form is packed into a hollow mould. The mould is usually made of cast aluminium or sheet steel material. The color tone preferred for the finished 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 design of plastic engineering.

Pre-heating of the oven follows, and it may 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 sealed and put inside the oven.

2. The heat and fusion step.
Once inside the oven, the mold is rotated on two axis so the powdered polymer melts from the heat and coats the inside if the mold. The rotation is done gradually, about 20 revolutions per minute. The main thing that is essential at this point is the amount of time the mould will spend within the oven. If it stays to long, the component will lose stability and strength, creating a weak item. If it is extracted from the oven too early, the polymer will not have melted properly, which creates bubbles in the completed product line.

3. Mold cooling.
When the material has sufficiently spent the right 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 product cools, it reduces somewhat for ease of removal from the mould. This is another step that depends a lot on the correct timing, since rapid cooling shrinks the material too quick, causing bending of the material.

4. The unloading or de-molding step.
When the product inside te mold has cooled properly, the person handling the procedure can then take out the completed product from the mold. The procedure is repeated from the beginning, making a number of exact product lines.

For more information on the different rotational rotomolding options offered for the Ronceverte WV 24970 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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