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

rotational molding-Calhoun City-Rotational molding refers to a plastic manufacturing procedure that produces hollow stress-free products. The method relies upon high temperatures and bi axial rotation to come up with seamless, one piece items that have various forms, colors and sizes. This method is also referred to as roto-molding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl types.

The benefit that makes this unique from other plastic manufacturing methods in that no pressure is required. It also has few competitors when it involves the manufacture of large hollow items which are long lasting and inexpensive.There is a wide variety of products that are created by this process including big water tanks, automobile materials, complex molded medical items, leisure equipment, toys, kayaks, industrial equipment among many others.This is due to the versatility in terms of type and shapes that the process manufactures

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Calhoun City MS 38916, 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-Calhoun City-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 Calhoun City 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 in Detail

This molding procedure has been used since ancient times for creatingvseverl product lines. Egyptians as an example, utilized rotational molding systems in the making of ceramics. The Swiss were also making use of this rotation technique to make hollow chocolate eggs. Some plastic products in the USA were created using this procedure some time between 1940 and 1950. Considering that it was considered to be a rather slow method, the method has however taken long to catch on

1. Mold fitting.
A fixed amount of polymer in powder form is loaded into a hollow mold. The mould is usually crafted from cast aluminium or sheet steel material. The coloration chosen for the end item 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 style of plastic production.

Preheating of the oven starts, and it can 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 sealed and installed into the oven.

2. The heat and fusion phase.
Once placed into the oven, the mould is turned on two axis so the powdered polymer melts from the heat and layers the inside if the mold. The spinning is done gradually, about 20 revolutions per sixty seconds. Something that is important at this moment is the period of time the mould will spend within the oven. If it stays to long, the component will lose stability and strength, producing a poor item. If it is taken out from the oven prematurely, the polymer will not have melted correctly, which creates bubbles in the completed item.

3. Mould cooling.
When the product has completely spent the right amount of time in the oven, it is then extracted for cooling. This can be done by air or water, or sometimes a mixture of both which a cool mist. When the product cools, it shrinks somewhat for ease of removal from the mold. This is one more procedure that depends upon a lot on the correct timing, since rapid cooling reduces the material too fast, causing bending of the product.

4. The removing or de-molding phase.
Once the material inside te mold has cooled properly, the molder taking care of the process can then remove the finished product from the mold. The function is repeated from the start, giving a series of similar products.

For more information on the different rotational rotomolding options offered for the Calhoun City MS 38916 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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