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

rotocasting-Venice-Rotational molding refers to a plastic manufacturing solution that generates hollow stress-free products. The procedure relies upon high temperatures and bi axial rotation to come up with seamless, one piece items that have various designs, sizes and colors. This technique is also known as rotomolding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl styles.

The feature that makes this different from other plastic manufacturing techniques because no pressure is needed. It also has few contenders when it comes down to the manufacture of large size hollow items which are resilient and inexpensive.There is a wide range of products that are developed by this process including big water tanks, automobile products, intricate designed medical products, leisure equipment, toys, kayaks, industrialized equipment among many others.This is due to the flexibility in regards to design and forms that the process produces

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Venice CA 90291, 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 Products-Venice-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 Venice 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 Rotomolding Method in Detail

This moulding method has been used since earlier times for creatingvseverl product lines. Egyptians as an example, utilized roto-molding techniques in the manufacturing of ceramics. The Swiss were also utilizing this rotation format to make hollow chocolate eggs. Some plastic items in the USA were created utilizing this technique some time between 1940 and 1950. The process has however taken very long to catch on because it was thought of to be a very slow process

1. Mould preparation.
A predetermined measure of polymer in powder form is filled into a hollow mould. The mould is usually built from cast aluminium or sheet steel material. The coloring intended for the final 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 style of plastic engineering.

Preheating of the oven follows, and it can 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 installed inside the oven.

2. The heat and fusion procedure.
Once inside the oven, the mold is revolved on two axis so the powdered polymer liquefies from the heat and layers the inside if the mold. The spinning is done slowly, about 20 rotations per min. The main thing that is essential at this point is the amount of time the mould will spend inside the oven. If it overstays, the material will lose value and strength, generating a weak product. If it is taken out from the oven prematurely, the polymer will not have liquefied correctly, which develops bubbles in the completed product line.

3. Mould cooling.
When the material has sufficiently spent the correct amount of time in the oven, it is then removed for cooling. This may be done by air or water, or sometimes a mixture of both which a cool mist. When the component cools, it reduces a little for ease of extraction from the mold. This is another measure that depends a lot on the right timing, since quick cooling decreases the material too quickly, causing bending of the material.

4. The removing or de-moulding step.
When the material inside te mould has cooled successfully, the molder handling the process can then extract the finalized item from the mould. The procedure is repeated from the start, making a number of similar products.

For more information on the different rotational rotomolding options offered for the Venice CA 90291 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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