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

rotomoulding-Newtonsville-Rotational moulding refers to a plastic manufacturing technique that generates hollow stress-free products. The function relies on high temperatures and bi axial rotation to follow up with seamless, one piece products that have many different designs, colors and sizes. This method is also referred to as rotomoulding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl types.

The benefit that makes this unique from other plastic manufacturing processes that no pressure is involved. It also has few competitors when it comes down to the manufacture of sizable hollow items which are resilient and inexpensive.There is a wide variety of product lines that are developed by this process including large size water tanks, automobile items, intricate molded medical products, recreation equipment, toys, kayaks, industrial equipment among many others.This is because of the flexibility in terms of type and shapes that the process produces

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Newtonsville OH 45158, 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 Molded-Newtonsville-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 Newtonsville 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 Rotomoulding Method Components

This moulding operation has been used since ancient times for creatingvseverl product lines. Egyptians for example, worked with rotational molding solutions in the manufacturing of ceramics. The Swiss were also making use of this rotation method to make hollow chocolate eggs. Some plastic items in the USA were developed using this approach some time between 1940 and 1950. The process has however taken long to catch on because it was looked at to be a somewhat slow process

1. Mold fitting.
A predetermined measure of polymer in powder form is packed into a hollow mould. The mold is usually made of cast aluminium or sheet steel substance. The colour needed for the finished goods is pre compounded into the polymer. The most typically used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this design of plastic production.

Pre-heating of the oven starts, and it can be done by either conduction, convection or sometimes radiation. It is warmed to temperatures between 500-700F. The mould with the powdered polymer is then sealed and installed into the oven.

2. The heating up and fusion procedure.
Once within the oven, the mold is spun 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 revolutions per sixty seconds. One thing that is important at this point is the period of time the mold will spend inside the oven. If it stays to long, the component will lose stability and strength, generating a faulty product. If it is taken out from the oven too early, the polymer will not have liquefied correctly, which produces bubbles in the finalized product.

3. Mold cooling.
When the material has completely spent the right amount of time in the oven, it is then taken out for cooling. This may be done by air or water, or sometimes a mixture of both which creates a cool mist. When the product cools, it shrinks slightly for ease of removal from the mold. This is one more procedure that depends a lot on the correct timing, since quick cooling shrinks the material too quickly, causing bending of the item.

4. The removing or de-moulding step.
Once the material within te mould has cooled effectively, the person managing the procedure can then extract the completed product from the mould. The function is repeated from the beginning, giving a number of similar products.

For more information on the different rotational molding options offered for the Newtonsville OH 45158, please call our toll free number  866-971-7861 or fill out the form on the right for a consultation!

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