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

rotocasting-Belmont-Rotational moulding refers to a plastic production solution that makes hollow stress-free products. The method relies upon high temperatures and bi axial rotation to follow up with seamless, one piece objects that have many different designs, sizes and colors. This technique is also known as rotomoulding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl forms.

The feature that makes this different from other plastic manufacturing techniques that no pressure is required. It also has few rivals when it involves the manufacture of sizable hollow items which are long-lasting and inexpensive.There is a wide variety of products that are generated by this process including large size water tanks, automobile items, sophisticated molded medical products, leisure equipment, toys, kayaks, commercial equipment among many others.This is because of the versatility in regards to style and forms that the process develops

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Belmont CA 94002, 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 Molding-Belmont-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 Belmont 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 Procedure Components

This moulding procedure has been used since early times for creatingvseverl product lines. Egyptians as an example, used rotocasting solutions in the creating of ceramics. The Swiss were also making use of this rotation type to generate hollow chocolate eggs. Some plastic products in the USA were developed using this procedure some time between 1940 and 1950. The technique has however taken long to catch on because it was looked at as being a rather slow-moving process

1. Mold prep work.
A predetermined measure of polymer in powder form is packed into a hollow mold. The mould is usually composeded of cast aluminium or sheet steel material. The colour preferred for the end item 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 production.

Preheating 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 mould with the powdered polymer is then secured and positioned into the oven.

2. The heat and fusion phase.
Once inside the oven, the mould is spun on two axis so the powdered polymer melts from the heat and coats the inside if the mould. The turning is done slowly, about 20 revolutions per sixty seconds. Something that is crucial at this moment is the period of time the mold will spend within the oven. If it overstays, the component will lose stability and durability, making a weak product. If it is extracted from the oven prematurely, the polymer will not have liquefied correctly, which produces bubbles in the completed product.

3. Mold cooling.
When the component has completely 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 a cool mist. When the product cools, it reduces slightly for ease of extraction from the mould. This is an additional measure that relies a lot on the ideal timing, since rapid cooling shrinks the material too quick, causing bending of the material.

4. The un-loading or de-moulding step.
When the material inside te mould has cooled properly, the person managing the procedure can then take out the completed product from the mold. The process is repeated from the beginning, making a series of similar product lines.

For more information on the different rotational rotomolding options offered for the Belmont CA 94002 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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