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

rotomoulding-Bainbridge-Rotational molding refers to a plastic manufacturing practice that produces hollow stress-free items. The procedure depends on high temperatures and bi axial rotation to come up with seamless, one piece items that have many different forms, sizes and colors. This method is also known as rotomolding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The benefit that makes this different from other plastic manufacturing processes because no pressure is called for. It also has few rivals when it involves the creation of large size hollow products which are long-lasting and inexpensive.There is a variety of product lines that are created by this process including large water tanks, automobile items, intricate molded medical items, recreation equipment, toys, canoes, commercial equipment among many others.This is because of the flexibility in terms of 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 Bainbridge OH 45612, 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-Bainbridge-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 Bainbridge 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 Components

This molding method has been used since earlier times for creatingvseverl items. Egyptians for instance, utilized rotocasting techniques in the producing of ceramics. The Swiss were also making use of this rotation technique to create hollow chocolate eggs. Some plastic product lines in the USA were developed using this approach some time between 1940 and 1950. The system has however taken very long to catch on because it was considered to be a pretty slow process

1. Mould readying.
A fixed quantity of polymer in particle form is loaded into a hollow mould. The mould is usually made from cast aluminium or sheet steel material. The colour intended for the end item is pre compounded into the polymer. The most often used powder resin is polythene, but polyvinyl chloride and nylon can also be used in this format of plastic manufacturing.

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 secured and installed inside the oven.

2. The heat and fusion step.
Once placed into the oven, the mold is revolved on two axis so the powdered polymer melts from the heat and coats the inside if the mold. The turning is done slowly and gradually, about 20 spins per sixty seconds. Something that is critical at this point is the amount of time the mould will spend within the oven. If it overstays, the product will lose value and strength, producing a poor item. If it is removed from the oven too early, the polymer will not have melted correctly, which develops bubbles in the finished item.

3. Mold cooling.
When the material has sufficiently spent the right amount of time in the oven, it is then taken out for cooling. This can be done by air or water, or sometimes a mixture of both which creates a cool mist. When the product cools, it reduces somewhat for ease of removal from the mold. This is one more procedure that relies a lot on the ideal timing, since rapid cooling reduces the material too rapidly, causing bending of the item.

4. The removing or de-molding phase.
When the material inside te mould has cooled effectively, the molder taking care of the procedure can then remove the finalized product from the mold. The process is repeated from the start, making a series of exact products.

For more information on the different rotational molding options offered for the Bainbridge OH 45612, please call our toll free number  866-971-7861 or fill out the form on the right for a consultation!

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