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

rotocasting-Sanibel-Rotational molding pertains to a plastic production procedure that produces hollow stress-free items. The procedure relies on high temperatures and bi axial rotation to follow up with seamless, one piece items that have varying forms, sizes and colors. This technique is also called rotomolding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl types.

The function that makes this unique from other plastic manufacturing techniques because no pressure is required. It also has few rivals when it pertains to the production of large hollow products which are resilient and inexpensive.There is a wide variety of products that are created by this process including big water tanks, automobile products, sophisticated designed medical products, recreation equipment, toys, kayaks, industrialized equipment among many others.This is because of the flexibility in regards to type and forms that the process produces

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Sanibel FL 33957, 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 Molded-Sanibel-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 Florida 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 Sanibel Florida 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 earlier times for creatingvseverl product lines. Egyptians as an example, employed roto-molding solutions in the producing of ceramics. The Swiss were also using this rotation technique to make hollow chocolate eggs. Some plastic products in the USA were developed using this method some time between 1940 and 1950. The technique has however taken very long to take affect because it was thought of as being a very slow-moving process

1. Mould preparation.
A fixed volume of polymer in grain form is filled into a hollow mould. The mold is usually made from cast aluminium or sheet steel component. The color intended for the end goods 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.

Pre-heating 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 mould with the powdered polymer is then secured and positioned inside the oven.

2. The heat and fusion step.
Once inside the oven, the mold is rotated on two axis so the powdered polymer melts from the heat and coats the inside if the mold. The turning is done slowly, about 20 revolutions per sixty seconds. The main thing that is vital at this moment is the period of time the mold will spend inside the oven. If it overstays, the component will lose value and strength, generating a poor item. If it is taken out from the oven too early, the polymer will not have liquefied correctly, which develops bubbles in the completed product.

3. Mould cooling down.
When the component has completely spent the right amount of time in the oven, it is then taken out for cooling. This can be done by air or water, or sometimes a mixture of both which generates a cool mist. When the material cools, it shrinks slightly for ease of removal from the mold. This is an additional step that depends upon a lot on the right timing, since rapid cooling decreases the material too quickly, causing warping of the item.

4. The unloading or de-moulding phase.
Once the material inside te mould has cooled properly, the person handling the operation can then extract the finished product from the mold. The function is repeated from the start, providing a series of similar products.

For more information on the different rotational rotomolding options offered for the Sanibel FL 33957 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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