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

rotocasting-Clay Center-Rotational molding pertains to a plastic manufacturing practice that makes hollow stress-free product lines. The function relies on high temperatures and bi axial rotation to follow up with seamless, one piece products that have a variety of forms, colors and sizes. This procedure is also called rotomolding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The attribute that makes this different from other plastic manufacturing procedures that no pressure is needed. It also has few contenders when it pertains to the manufacture of large hollow products which are durable and inexpensive.There is a variety of items that are produced by this process including large water tanks, automobile materials, intricate shaped medical products, leisure equipment, toys, kayaks, industrialized equipment among many others.This is because of the flexibility in regards to design and shapes that the process creates

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Clay Center OH 43408, 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 Molded-Clay Center-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 Ohio 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 Clay Center Ohio 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 method has been used since early times for creatingvseverl product lines. Egyptians as an example, used rotational molding systems in the of ceramics. The Swiss were also applying this rotation type to generate hollow chocolate eggs. Some plastic product lines in the USA were created utilizing this procedure some time between 1940 and 1950. The process has however taken long to catch on because it was looked at as being a relatively slow-moving process

1. Mold preparation.
A predetermined volume of polymer in powder form is packed into a hollow mould. The mould is usually crafted from cast aluminium or sheet steel substance. The color chosen for the final product 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 design of plastic manufacturing.

Preheating of the oven follows, 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 locked and installed inside the oven.

2. The heating up and fusion process.
Once within the oven, the mold is spun on two axis so the powdered polymer melts from the heat and coats the inside if the mould. The spinning is done slowly, about 20 spins per min. One thing that is important at this moment is the amount of time the mould will spend inside the oven. If it stays to long, the material will lose stability and strength, creating a faulty product. If it is taken out from the oven prematurely, the polymer will not have flowed correctly, which produces bubbles in the completed item.

3. Mould cooling down.
When the material has sufficiently spent the right 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 material cools, it reduces 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 shrinks the material too quickly, causing warping of the item.

4. The removing or de-molding phase.
Once the product inside te mould has cooled successfully, the molder managing the procedure can then take out the finished product from the mold. The procedure is repeated from the beginning, supplying a number of similar product lines.

For more information on the different rotational molding options offered for the Clay Center OH 43408, please call our toll free number  866-971-7861 or fill out the form on the right for a consultation!

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