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

rotomolding-Mc Arthur-Rotational molding pertains to a plastic manufacturing solution that creates hollow stress-free product lines. The technique uses high temperatures and bi axial rotation to come up with seamless, one piece objects that have varying designs, 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 styles.

The function that makes this different from other plastic manufacturing methods that no pressure is needed. It also has few rivals when it pertains to the manufacture of sizable hollow items which are durable and inexpensive.There is a variety of products that are produced by this process including large water tanks, automobile materials, complex molded medical items, recreation equipment, toys, kayaks, industrial equipment among many others.This is because of the versatility in regards to style and forms that the process develops

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Mc Arthur OH 45651, 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 rotomolding 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 Molding-Mc Arthur-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 Mc Arthur 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 Roto-Molding Method in Detail

This moulding system has been used since ancient times for creatingvseverl items. Egyptians for instance, employed roto-molding methods in the of ceramics. The Swiss were also making use of this rotation technique to generate hollow chocolate eggs. Some plastic items in the USA were created using this procedure some time between 1940 and 1950. The system has however taken very long to catch on because it was thought of to be a moderately slow process

1. Mould fitting.
A fixed quantity of polymer in grain form is packed into a hollow mould. The mold is usually made of cast aluminium or sheet steel substance. The colour wanted for the end product 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 engineering.

Preheating of the oven starts, and it can 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 sealed and positioned inside the oven.

2. The heating and fusion procedure.
Once within the oven, the mould is turned on two axis so the powdered polymer liquefies from the heat and coats the inside if the mould. The rotation is done slowly and gradually, about 20 spins per sixty seconds. Something that is vital at this moment is the amount of time the mold will spend within the oven. If it overstays, the component will lose value and durability, producing a faulty product. If it is taken out from the oven prematurely, the polymer will not have melted properly, which creates bubbles in the finished product line.

3. Mould cooling.
When the product has completely spent the enough 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 a cool mist. When the material cools, it reduces somewhat for ease of extraction from the mould. This is one more step that depends a lot on the right timing, since quick cooling reduces the material too quickly, causing warping of the material.

4. The unloading or de-molding step.
When the component within te mold has cooled adequately, the person managing the operation can then take out the finished item from the mould. The technique is repeated from the beginning, making a number of exact products.

For more information on the different rotational molding options offered for the Mc Arthur OH 45651, please call our toll free number  866-971-7861 or fill out the form on the right for a consultation!

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