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

roto-molding-Big Creek-Rotational moulding pertains to a plastic production practice that generates hollow stress-free items. The process depends on high temperatures and bi axial rotation to follow up with seamless, one piece items that have different forms, colors and sizes. This technique is also known as roto-molding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The function that makes this unique from other plastic manufacturing procedures that no pressure is needed. It also has few rivals when it comes to the production of large size hollow items which are long-lasting and inexpensive.There is a wide variety of products that are created by this process including large size water tanks, automobile products, intricate molded medical products, recreation equipment, toys, kayaks, industrialized equipment among many others.This is due to the flexibility in regards to style and forms that the process makes

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Big Creek CA 93605, 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

Plastic Products-Big Creek-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 Big Creek 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 Roto-Molding Method in Detail

This moulding operation has been used since early times for creatingvseverl products. Egyptians for example, utilized rotocasting techniques in the creating of ceramics. The Swiss were also working with this rotation style to create hollow chocolate eggs. Some plastic product lines in the USA were developed using this procedure some time between 1940 and 1950. The system has however taken very long to take affect because it was considered to be a moderately slow process

1. Mould fitting.
A fixed quantity of polymer in powder form is loaded into a hollow mould. The mould is usually made from cast aluminium or sheet steel material. The color preferred for the finished 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 style of plastic production.

Preheating of the oven follows, 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 sealed and placed inside the oven.

2. The heating and fusion procedure.
Once within the oven, the mould is turned on two axis so the powdered polymer liquefies from the heat and coats the inside if the mold. The rotation is done gradually, about 20 rotations per minute. Something that is vital at this moment is the amount of time the mold will spend within the oven. If it overstays, the product will lose stability and strength, making a poor product. If it is extracted from the oven too early, the polymer will not have melted correctly, which creates bubbles in the finalized product.

3. Mould cooling.
When the material has completely spent the correct 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 a cool mist. When the material cools, it shrinks a little for ease of extraction from the mould. This is yet another procedure that depends upon a lot on the right timing, since rapid cooling decreases the material too quickly, causing bending of the product.

4. The offloading or de-moulding phase.
When the product inside te mould has cooled correctly, the molder taking care of the process can then extract the completed item from the mould. The process is repeated from the start, giving a number of exact products.

For more information on the different rotational rotomolding options offered for the Big Creek CA 93605 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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