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

rotational moulding-Corning-Rotational molding refers to a plastic production technique that generates hollow stress-free items. The process utilizes 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 roto-molding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The attribute that makes this unique from other plastic manufacturing methods because no pressure is involved. It also has few contenders when it comes down to the manufacture of sizable hollow products which are long-lasting and inexpensive.There is a wide variety of products that are generated by this process including large water tanks, automobile items, complex designed medical items, recreation equipment, toys, canoes, commercial equipment among many others.This is due to the flexibility in terms of design 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 Corning KS 66417, 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 rotocasting 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-Corning-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 Kansas 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 Corning Kansas 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 Rotomolding Method in Detail

This moulding operation has been used since ancient times for creatingvseverl products. Egyptians as an example, utilized rotomoulding procedures in the creating of ceramics. The Swiss were also making use of this rotation design to generate hollow chocolate eggs. Some plastic products in the USA were manufactured using this approach some time between 1940 and 1950. Considering that it was regarded to be a very slow process, the process has however taken long to catch on

1. Mold prep work.
A fixed amount of polymer in powder form is filled into a hollow mold. The mold is usually comprised of cast aluminium or sheet steel substance. The color tone desired for the end product 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 design of plastic assembly.

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 sealed and installed inside the oven.

2. The heating up and fusion step.
Once within the oven, the mould is turned on two axis so the powdered polymer liquefies from the heat and overlays the inside if the mould. The turning is done gradually, about 20 spins per min. One thing that is important at this moment is the amount of time the mould will spend within the oven. If it overstays, the material will lose value and durability, generating a weak item. If it is extracted from the oven prematurely, the polymer will not have flowed correctly, which develops bubbles in the completed product line.

3. Mould cooling.
When the product 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 generates a cool mist. When the product cools, it shrinks somewhat for ease of extraction from the mould. This is another step that depends a lot on the correct timing, since rapid cooling reduces the material too fast, causing bending of the material.

4. The un-loading or de-molding step.
As soon as the product inside te mold has cooled correctly, the molder taking care of the procedure can then take out the finalized item from the mold. The function is repeated from the start, making a series of exact product lines.

For more information on the different rotational rotomolding options offered for the Corning KS 66417 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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