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

rotocasting-Harrison-Rotational molding pertains to a plastic production solution that produces hollow stress-free products. The method uses high temperatures and bi axial rotation to follow up with seamless, one piece items that have varying forms, colors and sizes. This procedure is also referred to as roto-molding or rotocasting. Sometimes the term slush molding is used for certain liquid vinyl styles.

The feature that makes this different from other plastic manufacturing procedures that no pressure is needed. It also has few competitors when it comes down to the creation of large hollow items which are long-lasting and inexpensive.There is a wide range of products that are created by this process including large size water tanks, automobile materials, sophisticated designed medical products, recreation equipment, toys, canoes, industrial equipment among many others.This is because of the versatility in terms of design and forms that the process creates

Benefits of Using Rotomolding to Manufacture Plastic Products

  • Relatively low tooling costs.
    When compared to other plastic manufacturing processes in Harrison OH 45030, 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-Harrison-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 Harrison 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 Procedure Components

This molding system has been used since earlier times for creatingvseverl product lines. Egyptians for example, used roto-molding solutions in the creating of ceramics. The Swiss were also employing this rotation method to make hollow chocolate eggs. Some plastic products in the USA were manufactured using this procedure some time between 1940 and 1950. The process has however taken very long to catch on because it was considered as being a pretty slow-moving process

1. Mold prep work.
A fixed measure of polymer in powder form is packed into a hollow mold. The mould is usually built from cast aluminium or sheet steel component. The colour wanted for the finished 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 design of plastic production.

Pre-heating of the oven follows, and it may be done by either conduction, convection or sometimes radiation. It is heated up to temperatures between 500-700F. The mold with the powdered polymer is then locked and put within 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 mold. The rotation is done slowly, about 20 spins per min. One thing that is crucial at this point is the amount of time the mold will spend inside the oven. If it overstays, the component will lose value and strength, making a poor product. If it is removed from the oven too early, the polymer will not have liquefied properly, which produces bubbles in the finished product.

3. Mould cooling.
When the material has sufficiently spent the enough of time in the oven, it is then extracted for cooling. This can be done by air or water, or sometimes a mixture of both which a cool mist. When the product cools, it shrinks somewhat for ease of removal from the mould. This is an additional procedure that relies a lot on the ideal timing, since quick cooling reduces the material too rapidly, causing bending of the material.

4. The removing or de-moulding phase.
When the component within te mould has cooled effectively, the person taking care of the operation can then take out the finalized product from the mold. The process is repeated from the start, making a number of exact product lines.

For more information on the different rotational molding options offered for the Harrison OH 45030, please call our toll free number  866-971-7861 or fill out the form on the right for a consultation!

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