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

rotomolding-Baker-Rotational moulding refers to a plastic manufacturing technique that creates hollow stress-free items. The method relies on high temperatures and bi axial rotation to follow up with seamless, one piece items that have many different designs, sizes and colors. This method is also known as rotomoulding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The attribute that makes this different from other plastic manufacturing processes in that no pressure is needed. It also has few competitors when it pertains to the manufacture of large hollow products which are resilient and inexpensive.There is a wide variety of products that are produced by this process including large size water tanks, automobile materials, intricate designed medical items, recreation equipment, toys, kayaks, industrial equipment among many others.This is because of the versatility in regards to style and shapes that the process produces

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Baker CA 92309, 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-Baker-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 Baker 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 in Detail

This molding operation has been used since early times for creatingvseverl products. Egyptians for example, employed roto-molding systems in the creating of ceramics. The Swiss were also working with this rotation style to create hollow chocolate eggs. Some plastic items in the USA were created utilizing this method some time between 1940 and 1950. The process has however taken long to catch on because it was thought of as being a moderately slow process

1. Mould readying.
A fixed quantity of polymer in grain form is filled into a hollow mold. The mould is usually made from cast aluminium or sheet steel substance. The color chosen for the final goods 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 type of plastic manufacturing.

Preheating of the oven starts, and it may be done by either conduction, convection or sometimes radiation. It is heated up to temperatures between 500-700F. The mold with the powdered polymer is then secured and put inside the oven.

2. The heat and fusion phase.
Once within the oven, the mold is turned on two axis so the powdered polymer liquefies from the heat and layers the inside if the mould. The spinning is done gradually, about 20 revolutions per min. One thing that is vital at this moment is the amount of time the mold will spend within the oven. If it overstays, the material will lose value and durability, making a weak item. If it is extracted from the oven prematurely, the polymer will not have flowed correctly, which generates bubbles in the finished product.

3. Mold cooling.
When the component has completely spent the enough 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 creates a cool mist. When the component cools, it shrinks slightly for ease of extraction from the mold. This is an additional measure that depends upon a lot on the ideal timing, since rapid cooling reduces the material too rapidly, causing warping of the material.

4. The removing or de-molding step.
As soon as the material within te mold has cooled effectively, the molder taking care of the operation can then extract the finished item from the mould. The process is repeated from the beginning, supplying a series of similar product lines.

For more information on the different rotational rotomolding options offered for the Baker CA 92309 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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