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

rotomoulding-The Plains-Rotational moulding pertains to a plastic manufacturing solution that generates hollow stress-free products. The process relies on high temperatures and bi axial rotation to follow up with seamless, one piece items that have many different forms, colors and sizes. This technique is also known as rotomolding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The feature that makes this unique from other plastic manufacturing methods that no pressure is called for. It also has few competitors when it involves the production of large hollow products which are durable and inexpensive.There is a wide range of items that are generated by this process including large size water tanks, automobile products, complex shaped medical items, leisure equipment, toys, kayaks, commercial equipment among many others.This is due to the versatility in terms of type 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 The Plains VA 20198, 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

Plastic Manufacturing-The Plains-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 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 The Plains 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 Method in Detail

This molding technique has been used since earlier times for creatingvseverl product lines. Egyptians for instance, employed rotomoulding techniques in the creating of ceramics. The Swiss were also using this rotation format to make hollow chocolate eggs. Some plastic product lines in the USA were created using this approach some time between 1940 and 1950. The system has however taken very long to take affect because it was looked at to be a pretty slow-moving process

1. Mould prep work.
A predetermined quantity of polymer in grain form is loaded into a hollow mould. The mold is usually comprised of cast aluminium or sheet steel component. The color tone wanted for the final product 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 style of plastic production.

Preheating 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 mould with the powdered polymer is then sealed and placed into the oven.

2. The heat and fusion phase.
Once inside the oven, the mold is spun on two axis so the powdered polymer liquefies from the heat and coats the inside if the mold. The rotation is done gradually, about 20 rotations per min. One thing that is critical at this point is the amount of time the mould will spend within the oven. If it stays to long, the material will lose value and strength, producing a faulty item. If it is extracted from the oven prematurely, the polymer will not have melted properly, which creates bubbles in the completed product line.

3. Mould cooling down.
When the component has completely spent the right amount of time in the oven, it is then taken out for cooling. This can be done by air or water, or sometimes a mixture of both which generates a cool mist. When the product cools, it reduces slightly for ease of extraction from the mold. This is another measure that relies a lot on the ideal timing, since rapid cooling decreases the material too quickly, causing warping of the product.

4. The unloading or de-molding step.
As soon as the product inside te mould has cooled adequately, the person managing the operation can then extract the finished item from the mould. The function is repeated from the beginning, providing a series of identical products.

For more information on the different rotational rotomolding options offered for the The Plains VA 20198 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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