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

rotomoulding-Sutter Creek-Rotational molding refers to a plastic manufacturing technique that produces hollow stress-free product lines. The process utilizes high temperatures and bi axial rotation to follow up with seamless, one piece products that have various shapes, colors and sizes. This technique is also called roto-molding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The attribute that makes this different from other plastic manufacturing methods because no pressure is needed. It also has few rivals when it comes down to the production of sizable hollow items which are long lasting and inexpensive.There is a wide range of items that are produced by this process including large size water tanks, automobile materials, complex designed medical products, leisure equipment, toys, canoes, industrial equipment among many others.This is due to the flexibility in terms of design and forms that the process creates

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Sutter Creek CA 95685, 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 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

Plastic Products-Sutter Creek-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 Sutter Creek 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 in Detail

This molding technique has been used since earlier times for creatingvseverl product lines. Egyptians as an example, used rotomoulding methods in the making of ceramics. The Swiss were also utilizing this rotation design to generate hollow chocolate eggs. Some plastic items in the USA were developed using this procedure some time between 1940 and 1950. Given that it was considered to be a somewhat slow process, the system has however taken long to become popular

1. Mold prep work.
A fixed quantity of polymer in grain form is loaded into a hollow mold. The mould is usually built from cast aluminium or sheet steel component. The coloring chosen for the final product 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 assembly.

Pre-heating of the oven starts, and it may 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 secured and installed inside the oven.

2. The heating and fusion phase.
Once inside the oven, the mould is spun on two axis so the powdered polymer melts from the heat and layers the inside if the mould. The turning is done gradually, about 20 spins per min. Something that is crucial at this moment is the amount of time the mold will spend inside the oven. If it stays to long, the material will lose stability and durability, making a faulty product. If it is removed from the oven too early, the polymer will not have liquefied properly, which creates bubbles in the finalized product line.

3. Mould cooling.
When the product has completely spent the right amount 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 a cool mist. When the component cools, it shrinks a little for ease of removal from the mold. This is yet another procedure that relies a lot on the ideal timing, since rapid cooling reduces the material too rapidly, causing bending of the item.

4. The discharging or de-molding step.
As soon as the component inside te mould has cooled properly, the molder taking care of the procedure can then remove the finalized item from the mould. The function is repeated from the start, supplying a number of identical items.

For more information on the different rotational rotomolding options offered for the Sutter Creek CA 95685 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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