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

rotational moulding-Livingston-Rotational molding pertains to a plastic manufacturing method that produces hollow stress-free product lines. The technique relies on high temperatures and bi axial rotation to follow up with seamless, one piece objects that have a wide range of forms, sizes and colors. This technique is also called rotomoulding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl forms.

The function that makes this unique from other plastic manufacturing procedures that no pressure is involved. It also has few contenders when it involves the production of sizable hollow products which are long-lasting and inexpensive.There is a wide variety of items that are generated by this process including large water tanks, automobile products, sophisticated molded medical products, leisure equipment, toys, canoes, industrialized equipment among many others.This is due to the versatility in regards to design 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 Livingston CA 95334, 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 roto-molding 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-Livingston-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 Livingston 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 Components

This molding technique has been used since ancient times for creatingvseverl items. Egyptians for instance, used rotomoulding methods in the making of ceramics. The Swiss were also working with this rotation method to create hollow chocolate eggs. Some plastic products in the USA were made using this procedure some time between 1940 and 1950. Since it was regarded to be a rather slow-moving approach, the system has however taken long to catch on

1. Mould prep work.
A predetermined quantity of polymer in powder form is packed into a hollow mould. The mould is usually built from cast aluminium or sheet steel component. The coloring chosen for the finished 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 format of plastic production.

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 mould with the powdered polymer is then sealed and inserted within the oven.

2. The heat and fusion procedure.
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 mold. The turning is done slowly and gradually, about 20 spins per min. The main thing that is important at this point is the period of time the mould will spend within the oven. If it overstays, the material will lose stability and durability, producing a poor product. If it is extracted from the oven too early, the polymer will not have flowed properly, which produces bubbles in the finished product.

3. Mould cooling down.
When the component has completely spent the correct amount of time in the oven, it is then taken out for cooling. This may 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 mould. This is yet another measure that depends upon a lot on the ideal timing, since quick cooling shrinks the material too quick, causing warping of the product.

4. The un-loading or de-moulding step.
When the component inside te mould has cooled properly, the person taking care of the process can then take out the finished product from the mould. The function is repeated from the beginning, supplying a number of exact items.

For more information on the different rotational rotomolding options offered for the Livingston CA 95334 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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