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

rotational molding-Orangevale-Rotational moulding pertains to a plastic manufacturing procedure that produces hollow stress-free products. The procedure uses high temperatures and bi axial rotation to follow up with seamless, one piece objects that have various designs, sizes and colors. This procedure is also referred to as rotomolding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl types.

The attribute that makes this unique from other plastic manufacturing processes because no pressure is needed. It also has few competitors when it involves the creation of sizable hollow products which are long-lasting and inexpensive.There is a variety of products that are produced by this process including large size water tanks, automobile materials, intricate designed medical products, leisure equipment, toys, canoes, industrialized equipment among many others.This is due to 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 Orangevale CA 95662, 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

Plastic Manufacturing-Orangevale-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 Orangevale 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 Roto-Molding Process Components

This molding procedure has been used since early times for creatingvseverl product lines. Egyptians for example, used rotocasting methods in the manufacturing of ceramics. The Swiss were also using this rotation style to generate hollow chocolate eggs. Some plastic items in the USA were made utilizing this approach some time between 1940 and 1950. The process has however taken long to take affect because it was considered as being a pretty slow-moving process

1. Mould prep work.
A predetermined amount of polymer in grain form is loaded into a hollow mould. The mould is usually constructed from cast aluminium or sheet steel component. The coloration needed 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 style of plastic manufacturing.

Preheating of the oven starts, and it can be done by either conduction, convection or sometimes radiation. It is warmed to temperatures between 500-700F. The mold with the powdered polymer is then locked and put into the oven.

2. The heat and fusion step.
Once inside the oven, the mold is revolved on two axis so the powdered polymer liquefies from the heat and coats the inside if the mold. The spinning is done slowly and gradually, about 20 spins per minute. Something that is important at this point is the amount of time the mold will spend within the oven. If it overstays, the material will lose stability and durability, creating a weak product. If it is taken out from the oven prematurely, the polymer will not have liquefied correctly, which develops bubbles in the finalized item.

3. Mold cooling down.
When the product 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 generates a cool mist. When the component cools, it reduces a little for ease of extraction from the mold. This is an additional measure that depends upon a lot on the correct timing, since quick cooling reduces the material too fast, causing warping of the material.

4. The offloading or de-molding step.
When the material inside te mould has cooled effectively, the person handling the procedure can then take out the finished product from the mold. The technique is repeated from the beginning, giving a series of identical product lines.

For more information on the different rotational rotomolding options offered for the Orangevale CA 95662 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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