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

rotomoulding-Greenville-Rotational molding pertains to a plastic production solution that produces hollow stress-free items. The procedure relies upon high temperatures and bi axial rotation to follow up with seamless, one piece items that have several forms, colors and sizes. This method is also referred to as rotomoulding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl forms.

The feature that makes this unique from other plastic manufacturing methods in that no pressure is needed. It also has few competitors when it involves the manufacture of large hollow items which are resilient and inexpensive.There is a wide range of products that are created by this process including big water tanks, automobile materials, intricate shaped medical products, recreation equipment, toys, kayaks, industrialized equipment among many others.This is because of the flexibility in terms of design 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 Greenville CA 95947, 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 rotomolding 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-Greenville-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 Greenville 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 Procedure in Detail

This molding operation has been used since earlier times for creatingvseverl products. Egyptians as an example, worked with rotational molding solutions in the producing of ceramics. The Swiss were also making use of this rotation approach to make hollow chocolate eggs. Some plastic products in the USA were developed utilizing this method some time between 1940 and 1950. Given that it was looked at to be a somewhat slow-moving system, the approach has however taken long to become popular

1. Mold preparation.
A predetermined measure of polymer in grain form is packed into a hollow mould. The mould is usually crafted from cast aluminium or sheet steel material. The coloration preferred 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 format of plastic manufacturing.

Preheating of the oven starts, and it can be done by either conduction, convection or sometimes radiation. It is warmed to temperatures between 500-700F. The mould with the powdered polymer is then locked and inserted inside the oven.

2. The heating and fusion step.
Once placed into the oven, the mold is rotated on two axis so the powdered polymer melts from the heat and layers the inside if the mold. The turning is done gradually, about 20 spins per minute. The main thing that is crucial at this moment is the amount of time the mold will spend within the oven. If it overstays, the component will lose value and strength, producing a faulty product. If it is taken out from the oven prematurely, the polymer will not have liquefied correctly, which develops bubbles in the finalized product.

3. Mold cooling down.
When the component has sufficiently spent the right amount of time in the oven, it is then extracted for cooling. This may be done by air or water, or sometimes a mixture of both which a cool mist. When the product cools, it shrinks a little for ease of removal from the mould. This is another step that depends upon a lot on the right timing, since rapid cooling shrinks the material too quick, causing warping of the material.

4. The discharging or de-molding step.
Once the product within te mould has cooled successfully, the person handling the operation can then extract the completed item from the mould. The procedure is repeated from the start, providing a series of similar items.

For more information on the different rotational rotomolding options offered for the Greenville CA 95947 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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