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

rotational molding-Lebanon-Rotational molding refers to a plastic manufacturing solution that produces hollow stress-free products. The method relies upon high temperatures and bi axial rotation to follow up with seamless, one piece products that have varying forms, colors and sizes. This method is also called roto-molding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl types.

The component that makes this unique from other plastic manufacturing methods that no pressure is involved. It also has few contenders when it involves the manufacture of large hollow items which are long lasting and inexpensive.There is a wide range of items that are developed by this process including big water tanks, automobile materials, complex designed medical products, recreation equipment, toys, kayaks, industrial equipment among many others.This is due to the flexibility in terms of type and forms that the process manufactures

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Lebanon VA 24266, 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 moulding 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 Molded-Lebanon-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 Lebanon 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 Roto-Molding Procedure Components

This molding method has been used since ancient times for creatingvseverl product lines. Egyptians for instance, employed rotocasting systems in the manufacturing of ceramics. The Swiss were also working with this rotation technique to make hollow chocolate eggs. Some plastic items in the USA were created using this procedure some time between 1940 and 1950. The process has however taken very long to take affect because it was considered as being a moderately slow process

1. Mold prep work.
A predetermined amount of polymer in grain form is loaded into a hollow mould. The mould is usually constructed from cast aluminium or sheet steel component. The coloring needed for the end item is pre compounded into the polymer. The most commonly used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this type of plastic manufacturing.

Preheating of the oven follows, 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 sealed and inserted into the oven.

2. The heat and fusion phase.
Once inside 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 rotation is done gradually, about 20 spins per min. One thing that is crucial at this moment is the amount of time the mold will spend within the oven. If it overstays, the material will lose value and strength, making a faulty product. If it is removed from the oven too early, the polymer will not have melted correctly, which generates bubbles in the finalized item.

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

4. The removing or de-moulding phase.
Once the product within te mould has cooled successfully, the person managing the operation can then take out the finalized item from the mould. The technique is repeated from the beginning, supplying a number of exact items.

For more information on the different rotational rotomolding options offered for the Lebanon VA 24266 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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