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

rotational moulding-Pine Valley-Rotational moulding refers to a plastic manufacturing method that generates hollow stress-free product lines. The procedure uses high temperatures and bi axial rotation to come up with seamless, one piece products that have several shapes, colors and sizes. This method is also called rotomolding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl types.

The benefit that makes this unique from other plastic manufacturing procedures because no pressure is involved. It also has few competitors when it comes to the production of sizable hollow items which are long-lasting and inexpensive.There is a wide range of product lines that are developed by this process including large size water tanks, automobile materials, intricate shaped medical products, leisure equipment, toys, canoes, industrialized equipment among many others.This is because of the flexibility in terms of style and shapes that the process develops

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Pine Valley CA 91962, 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 Molding-Pine Valley-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 California 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 Pine Valley California 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 Rotomoulding Procedure in Detail

This moulding operation has been used since early times for creatingvseverl product lines. Egyptians for example, applied roto-molding procedures in the of ceramics. The Swiss were also applying this rotation technique to generate hollow chocolate eggs. Some plastic product lines in the USA were developed utilizing this procedure some time between 1940 and 1950. Because it was looked at to be a relatively slow method, the system has however taken long to catch on

1. Mould readying.
A fixed measure of polymer in powder form is packed into a hollow mold. The mould is usually comprised of cast aluminium or sheet steel component. The color desired for the finished item 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 type of plastic manufacturing.

Preheating of the oven follows, and it may be done by either conduction, convection or sometimes radiation. It is heated up to temperatures between 500-700F. The mold with the powdered polymer is then secured and positioned inside the oven.

2. The heating and fusion step.
Once inside the oven, the mould is turned on two axis so the powdered polymer liquefies from the heat and layers the inside if the mould. The rotation is done slowly and gradually, about 20 revolutions per sixty seconds. The main thing that is critical at this moment is the period of time the mold will spend inside the oven. If it overstays, the product will lose value and strength, making a weak item. If it is extracted from the oven too early, the polymer will not have liquefied properly, which creates bubbles in the finished product.

3. Mold cooling.
When the material 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 material cools, it shrinks slightly for ease of extraction from the mould. This is another procedure that depends a lot on the correct timing, since quick cooling decreases the material too quick, causing bending of the product.

4. The offloading or de-moulding step.
When the product inside te mould has cooled successfully, the person taking care of the process can then extract the finished item from the mould. The technique is repeated from the beginning, supplying a number of exact products.

For more information on the different rotational rotomolding options offered for the Pine Valley CA 91962 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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