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

rotomolding-Salinas-Rotational molding refers to a plastic production solution that makes hollow stress-free product lines. The function uses high temperatures and bi axial rotation to come up with seamless, one piece objects that have various forms, colors and sizes. This procedure is also referred to as rotomolding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl forms.

The function that makes this unique from other plastic manufacturing methods in that no pressure is needed. It also has few contenders when it pertains to the creation of sizable hollow products which are resilient and inexpensive.There is a wide range of items that are generated by this process including large water tanks, automobile materials, sophisticated designed medical products, leisure equipment, toys, canoes, industrial equipment among many others.This is due to the versatility in terms of style and forms that the process manufactures

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Salinas CA 93901, 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 roto-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

Custom Molding-Salinas-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 Salinas 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 operation has been used since earlier times for creatingvseverl products. Egyptians for instance, applied rotocasting systems in the of ceramics. The Swiss were also using this rotation design to generate hollow chocolate eggs. Some plastic product lines in the USA were manufactured using this approach some time between 1940 and 1950. Because it was considered to be a somewhat slow method, the procedure has however taken long to catch on

1. Mould readying.
A fixed amount of polymer in particle form is filled into a hollow mold. The mould is usually made from cast aluminium or sheet steel material. The coloring wanted for the final product 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 format of plastic manufacturing.

Preheating 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 locked and positioned inside the oven.

2. The heat and fusion procedure.
Once inside the oven, the mold is turned on two axis so the powdered polymer melts from the heat and layers the inside if the mold. The turning is done slowly, about 20 spins per minute. One thing that is vital at this moment is the period of time the mould will spend within the oven. If it stays to long, the component will lose stability and strength, producing a faulty product. If it is taken out from the oven too early, the polymer will not have melted correctly, which produces bubbles in the finished product line.

3. Mold cooling.
When the material has sufficiently spent the enough 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 reduces a little for ease of extraction from the mould. This is another step that depends a lot on the correct timing, since rapid cooling shrinks the material too quick, causing warping of the material.

4. The offloading or de-molding phase.
As soon as the material inside te mould has cooled successfully, the person managing the operation can then extract the finalized item from the mould. The procedure is repeated from the beginning, giving a series of exact items.

For more information on the different rotational rotomolding options offered for the Salinas CA 93901 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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