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

rotomolding-Visalia-Rotational moulding refers to a plastic production solution that generates hollow stress-free product lines. The technique relies on high temperatures and bi axial rotation to follow 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 molding is used for certain liquid vinyl styles.

The attribute that makes this different from other plastic manufacturing processes because no pressure is needed. It also has few competitors when it pertains to the production of sizable hollow products which are long lasting and inexpensive.There is a wide variety of product lines that are produced by this process including big water tanks, automobile products, sophisticated shaped medical items, leisure equipment, toys, kayaks, industrial equipment among many others.This is due to the versatility in terms of design 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 Visalia CA 93277, 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

Custom Molding-Visalia-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 Visalia 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 system has been used since ancient times for creatingvseverl items. Egyptians as an example, applied rotomoulding methods in the producing of ceramics. The Swiss were also employing this rotation approach to create hollow chocolate eggs. Some plastic product lines in the USA were created utilizing this method some time between 1940 and 1950. The procedure has however taken very long to catch on because it was thought of to be a somewhat slow process

1. Mould readying.
A predetermined measure of polymer in powder form is filled into a hollow mould. The mould is usually built from cast aluminium or sheet steel substance. The colour chosen for the final product is pre compounded into the polymer. The most generally used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this design of plastic engineering.

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 mould with the powdered polymer is then sealed and installed inside the oven.

2. The heat and fusion procedure.
Once within the oven, the mould is spun on two axis so the powdered polymer liquefies from the heat and coats the inside if the mould. The turning is done gradually, about 20 spins per minute. Something that is critical at this point is the period of time the mold will spend within the oven. If it overstays, the material will lose value and strength, generating a weak item. If it is removed from the oven prematurely, the polymer will not have melted correctly, which produces bubbles in the finalized product line.

3. Mould cooling down.
When the material has completely spent the enough of time in the oven, it is then removed 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 a little for ease of removal from the mold. This is one more procedure that depends a lot on the right timing, since rapid cooling decreases the material too quickly, causing warping of the material.

4. The discharging or de-molding step.
Once the product inside te mould has cooled properly, the person handling the operation can then extract the finished product from the mold. The procedure is repeated from the start, supplying a series of identical product lines.

For more information on the different rotational rotomolding options offered for the Visalia CA 93277 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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