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

rotomolding-Mount Hamilton-Rotational molding refers to a plastic manufacturing technique that creates hollow stress-free product lines. The procedure utilizes high temperatures and bi axial rotation to follow up with seamless, one piece objects that have many different forms, sizes and colors. This technique is also known as rotomoulding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl forms.

The benefit that makes this unique from other plastic manufacturing processes because no pressure is needed. It also has few rivals when it involves the manufacture of sizable hollow products which are durable and inexpensive.There is a variety of products that are produced by this process including large size water tanks, automobile materials, intricate shaped medical items, recreation equipment, toys, canoes, industrial equipment among many others.This is because of the versatility in regards to design and shapes that the process manufactures

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Mount Hamilton CA 95140, 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

Custom Molding-Mount Hamilton-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 Mount Hamilton 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 Procedure Components

This molding process has been used since ancient times for creatingvseverl product lines. Egyptians for example, worked with rotomoulding systems in the of ceramics. The Swiss were also making use of this rotation format to generate hollow chocolate eggs. Some plastic products in the USA were developed using this procedure some time between 1940 and 1950. Since it was regarded to be a very slow process, the procedure has however taken long to catch on

1. Mould readying.
A fixed measure of polymer in particle form is loaded into a hollow mold. The mold is usually crafted from cast aluminium or sheet steel substance. The coloring wanted for the end 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 format of plastic production.

Pre-heating of the oven starts, and it may be done by either conduction, convection or sometimes radiation. It is heated to temperatures between 500-700F. The mold with the powdered polymer is then locked and installed into the oven.

2. The heating and fusion step.
Once inside the oven, the mould is rotated on two axis so the powdered polymer liquefies from the heat and coats the inside if the mould. The spinning is done slowly, about 20 spins per sixty seconds. The main thing that is important at this moment is the amount of time the mould will spend inside the oven. If it stays to long, the component will lose stability and strength, producing a faulty product. If it is extracted from the oven too early, the polymer will not have flowed properly, which creates bubbles in the finalized product line.

3. Mold cooling.
When the component has sufficiently spent the right amount of time in the oven, it is then removed 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 reduces a little for ease of removal from the mould. This is yet another step that relies a lot on the right timing, since quick cooling reduces the material too fast, causing warping of the material.

4. The offloading or de-moulding phase.
Once the component inside te mould has cooled properly, the molder managing the process can then take out the finished product from the mold. The process is repeated from the beginning, supplying a number of exact products.

For more information on the different rotational rotomolding options offered for the Mount Hamilton CA 95140 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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