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

rotational molding-Wasco-Rotational molding pertains to a plastic manufacturing practice that generates hollow stress-free product lines. The method uses high temperatures and bi axial rotation to follow up with seamless, one piece products that have a wide range of shapes, sizes and colors. This technique is also called rotomolding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl styles.

The component that makes this different from other plastic manufacturing techniques in that no pressure is needed. It also has few rivals when it involves the creation 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 items, sophisticated molded 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 develops

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Wasco CA 93280, 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 rotomolding 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 Molding-Wasco-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 Wasco 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 Method in Detail

This molding system has been used since ancient times for creatingvseverl items. Egyptians as an example, utilized roto-molding systems in the of ceramics. The Swiss were also working with this rotation style to generate hollow chocolate eggs. Some plastic items in the USA were manufactured utilizing this technique some time between 1940 and 1950. The procedure has however taken very long to take affect because it was thought of as being a somewhat slow process

1. Mould readying.
A predetermined quantity of polymer in particle form is packed into a hollow mold. The mould is usually composeded of cast aluminium or sheet steel substance. The colour intended for the finished goods 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 format of plastic production.

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 within the oven.

2. The heat and fusion phase.
Once inside the oven, the mould is revolved on two axis so the powdered polymer liquefies from the heat and overlays the inside if the mould. The spinning is done slowly, about 20 rotations per minute. One thing that is crucial at this point is the amount of time the mold will spend within the oven. If it overstays, the product will lose stability and strength, creating a poor product. If it is taken out from the oven too early, the polymer will not have flowed properly, which produces bubbles in the finalized product line.

3. Mould cooling down.
When the component has sufficiently spent the right amount of time in the oven, it is then extracted for cooling. This can be done by air or water, or sometimes a mixture of both which creates a cool mist. When the product cools, it reduces somewhat for ease of extraction from the mold. This is one more step that relies a lot on the correct timing, since quick cooling reduces the material too quick, causing warping of the product.

4. The discharging or de-molding phase.
Once the component inside te mould has cooled correctly, the person handling the process can then take out the finalized product from the mold. The technique is repeated from the start, making a series of exact product lines.

For more information on the different rotational rotomolding options offered for the Wasco CA 93280 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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