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

rotational molding-Willow Wood-Rotational molding refers to a plastic production procedure that makes hollow stress-free items. The technique depends on high temperatures and bi axial rotation to follow up with seamless, one piece items that have various shapes, colors and sizes. This procedure is also referred to as roto-molding or rotocasting. Sometimes the term slush moulding is used for certain liquid vinyl types.

The component that makes this different from other plastic manufacturing processes because no pressure is needed. It also has few rivals when it pertains to the production of large size hollow items which are long lasting and inexpensive.There is a variety of items that are generated by this process including large water tanks, automobile products, complex shaped medical items, recreation equipment, toys, canoes, commercial equipment among many others.This is because of the flexibility in regards to design and forms that the process makes

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Willow Wood OH 45696, 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-Willow Wood-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 Willow Wood 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 Process in Detail

This molding method has been used since earlier times for creatingvseverl items. Egyptians for instance, utilized rotational molding methods in the making of ceramics. The Swiss were also employing this rotation approach to make hollow chocolate eggs. Some plastic product lines in the USA were created utilizing this procedure some time between 1940 and 1950. Considering that it was viewed to be a rather slow-moving technique, the technique has however taken long to become popular

1. Mould readying.
A fixed measure of polymer in powder form is packed into a hollow mould. The mould is usually constructed from cast aluminium or sheet steel material. The coloring wanted for the finished product 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 style of plastic assembly.

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 secured and installed inside the oven.

2. The heating and fusion procedure.
Once inside the oven, the mould is rotated on two axis so the powdered polymer melts from the heat and layers the inside if the mould. The turning is done slowly and gradually, about 20 rotations per sixty seconds. The main thing that is crucial at this moment is the period of time the mold will spend within the oven. If it overstays, the product will lose stability and durability, creating a poor product. If it is taken out from the oven prematurely, the polymer will not have liquefied correctly, which creates bubbles in the finalized product line.

3. Mould cooling down.
When the product has sufficiently spent the correct amount of time in the oven, it is then removed for cooling. This can be done by air or water, or sometimes a mixture of both which generates a cool mist. When the component cools, it reduces slightly for ease of extraction from the mold. This is an additional step that relies a lot on the correct timing, since rapid cooling shrinks the material too quickly, causing warping of the material.

4. The removing or de-molding step.
Once the material inside te mold has cooled correctly, the person managing the process can then remove the completed product from the mold. The technique is repeated from the beginning, giving a series of identical product lines.

For more information on the different rotational molding options offered for the Willow Wood OH 45696, please call our toll free number  866-971-7861 or fill out the form on the right for a consultation!

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