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

rotocasting-Mission-Rotational molding pertains to a plastic production technique that makes hollow stress-free product lines. The process utilizes high temperatures and bi axial rotation to come up with seamless, one piece products that have a wide range of shapes, colors and sizes. This method is also known as roto-molding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The attribute that makes this different from other plastic manufacturing techniques in that no pressure is required. It also has few rivals when it involves the production of large size hollow items which are durable and inexpensive.There is a variety of products that are generated by this process including large water tanks, automobile products, sophisticated designed medical items, recreation equipment, toys, canoes, industrial equipment among many others.This is due to the versatility in regards to style and shapes that the process makes

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Mission KS 57555, 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

Plastic Manufacturing-Mission-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 Mission 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 Roto-Molding Process Components

This molding operation has been used since ancient times for creatingvseverl items. Egyptians as an example, applied rotomoulding procedures in the of ceramics. The Swiss were also working with this rotation format to make hollow chocolate eggs. Some plastic product lines in the USA were developed using this method some time between 1940 and 1950. Since it was viewed to be a rather slow-moving approach, the technique has however taken long to catch on

1. Mold preparation.
A predetermined volume of polymer in grain form is loaded into a hollow mold. The mold is usually crafted from cast aluminium or sheet steel substance. The color tone wanted for the finished 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 type of plastic assembly.

Pre-heating of the oven starts, and it can 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 secured and put inside the oven.

2. The heating and fusion phase.
Once inside the oven, the mold is rotated on two axis so the powdered polymer liquefies from the heat and layers the inside if the mold. The turning is done slowly and gradually, about 20 rotations per sixty seconds. The main thing that is vital at this moment is the amount of time the mould will spend inside the oven. If it overstays, the component will lose stability and durability, making a weak product. If it is extracted from the oven prematurely, the polymer will not have flowed properly, which creates bubbles in the completed product line.

3. Mould cooling down.
When the component has sufficiently spent the enough 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 material cools, it shrinks a little for ease of removal from the mould. This is an additional step that relies a lot on the correct timing, since quick cooling decreases the material too quickly, causing bending of the product.

4. The un-loading or de-moulding step.
As soon as the component within te mold has cooled effectively, the person handling the operation can then extract the finished product from the mold. The process is repeated from the start, supplying a number of similar product lines.

For more information on the different rotational rotomolding options offered for the Mission KS 57555 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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