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

rotocasting-Kiln-Rotational molding pertains to a plastic manufacturing technique that generates hollow stress-free product lines. The process relies on high temperatures and bi axial rotation to follow up with seamless, one piece objects that have a wide range of shapes, colors and sizes. This method is also called roto-molding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl types.

The component that makes this different from other plastic manufacturing techniques because no pressure is required. It also has few contenders when it involves the manufacture of large size hollow items which are long-lasting and inexpensive.There is a variety of product lines that are developed by this process including large water tanks, automobile products, complex shaped medical items, leisure equipment, toys, kayaks, commercial equipment among many others.This is due to the versatility in regards to type 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 Kiln MS 39556, 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 rotomoulding 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-Kiln-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 Mississippi 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 Kiln Mississippi 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 Procedure Components

This moulding technique has been used since earlier times for creatingvseverl items. Egyptians as an example, applied rotational molding solutions in the producing of ceramics. The Swiss were also applying this rotation format to create hollow chocolate eggs. Some plastic items in the USA were developed using this method some time between 1940 and 1950. The process has however taken long to catch on because it was considered to be a relatively slow process

1. Mould prep work.
A predetermined quantity of polymer in particle form is packed into a hollow mould. The mould is usually built from cast aluminium or sheet steel substance. The coloration intended for the end goods 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 type of plastic assembly.

Pre-heating of the oven starts, 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 positioned into the oven.

2. The heat and fusion step.
Once inside the oven, the mold is revolved on two axis so the powdered polymer melts from the heat and overlays the inside if the mould. The rotation is done slowly, about 20 spins per min. One thing that is important at this point is the amount of time the mould will spend within the oven. If it stays to long, the material will lose stability and durability, creating a poor product. If it is taken out from the oven too early, the polymer will not have melted correctly, which creates bubbles in the completed product.

3. Mould cooling.
When the product has sufficiently 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 component cools, it reduces somewhat for ease of removal from the mold. This is yet another step that relies a lot on the right timing, since rapid cooling shrinks the material too quickly, causing bending of the material.

4. The discharging or de-moulding step.
When the component inside te mould has cooled adequately, the person managing the process can then take out the completed item from the mould. The function is repeated from the beginning, making a number of exact products.

For more information on the different rotational rotomolding options offered for the Kiln MS 39556 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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