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

rotocasting-Gonzales-Rotational molding refers to a plastic manufacturing technique that produces hollow stress-free products. The process depends on high temperatures and bi axial rotation to come up with seamless, one piece products that have several shapes, sizes and colors. This procedure is also known as rotomoulding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl forms.

The feature that makes this different from other plastic manufacturing processes in that no pressure is called for. It also has few contenders when it comes down to the manufacture of sizable hollow products which are long lasting and inexpensive.There is a wide range of products that are created by this process including large water tanks, automobile materials, complex shaped medical products, leisure equipment, toys, kayaks, industrialized equipment among many others.This is because of the flexibility in terms of type 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 Gonzales CA 93926, 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 rotocasting 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-Gonzales-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 Gonzales 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 Process Components

This molding procedure has been used since early times for creatingvseverl items. Egyptians as an example, utilized rotocasting systems in the making of ceramics. The Swiss were also working with this rotation technique to make hollow chocolate eggs. Some plastic product lines in the USA were developed using this procedure some time between 1940 and 1950. Considering that it was regarded to be a somewhat slow-moving approach, the procedure has however taken long to become popular

1. Mold fitting.
A predetermined measure of polymer in powder form is loaded into a hollow mould. The mould is usually made from cast aluminium or sheet steel component. The color intended for the finished goods is pre compounded into the polymer. The most typically used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this type of plastic engineering.

Pre-heating of the oven follows, and it can 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 sealed and put within the oven.

2. The heat and fusion phase.
Once placed into the oven, the mould is rotated on two axis so the powdered polymer melts from the heat and coats the inside if the mould. The rotation is done gradually, about 20 revolutions per sixty seconds. The main thing that is vital at this moment is the amount of time the mold will spend inside the oven. If it stays to long, the material will lose value and strength, generating a faulty item. If it is taken out from the oven prematurely, the polymer will not have liquefied properly, which creates bubbles in the finished product line.

3. Mold cooling down.
When the product has completely spent the right amount of time in the oven, it is then removed 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 a little for ease of removal from the mould. This is yet another step that depends upon a lot on the correct timing, since quick cooling decreases the material too quick, causing warping of the material.

4. The un-loading or de-moulding step.
Once the component within te mould has cooled successfully, the person taking care of the operation can then extract the finalized product from the mould. The process is repeated from the start, supplying a series of exact product lines.

For more information on the different rotational rotomolding options offered for the Gonzales CA 93926 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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