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

rotomoulding-Oxford-Rotational molding refers to a plastic production procedure that creates hollow stress-free products. The procedure relies on high temperatures and bi axial rotation to follow up with seamless, one piece items that have several forms, colors and sizes. This method is also referred to as rotomoulding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl types.

The benefit that makes this different from other plastic manufacturing processes because no pressure is involved. It also has few contenders when it pertains to the production of large size hollow items which are long lasting and inexpensive.There is a wide range of product lines that are developed by this process including big water tanks, automobile items, intricate molded medical items, recreation equipment, toys, kayaks, commercial equipment among many others.This is because of the versatility in terms of design 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 Oxford NE 68967, 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 rotomoulding 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-Oxford-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 Nebraska 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 Oxford Nebraska 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 technique has been used since earlier times for creatingvseverl products. Egyptians as an example, utilized rotocasting techniques in the manufacturing of ceramics. The Swiss were also employing this rotation style to generate hollow chocolate eggs. Some plastic items in the USA were developed using this method some time between 1940 and 1950. The technique has however taken very long to catch on because it was considered as being a pretty slow process

1. Mould prep work.
A fixed measure of polymer in grain form is packed into a hollow mold. The mould is usually crafted from cast aluminium or sheet steel substance. The coloring preferred for the end product is pre compounded into the polymer. The most generally used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this style of plastic manufacturing.

Preheating 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 mold 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 turned on two axis so the powdered polymer melts from the heat and layers the inside if the mold. The spinning is done slowly, about 20 rotations per minute. One thing that is critical at this moment is the amount of time the mold will spend within the oven. If it overstays, the component will lose stability and durability, producing a weak item. If it is taken out from the oven too early, the polymer will not have melted correctly, which generates bubbles in the finished product line.

3. Mold cooling down.
When the product has completely spent the enough 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 component cools, it shrinks somewhat for ease of removal from the mold. This is another procedure that relies a lot on the right timing, since quick cooling decreases the material too fast, causing warping of the product.

4. The discharging or de-moulding step.
Once the material within te mold has cooled effectively, the person managing the procedure can then extract the finished item from the mould. The technique is repeated from the beginning, providing a series of exact items.

For more information on the different rotational rotomolding options offered for the Oxford NE 68967 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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